EPDM Membrane Flat Roof Commercial Re-Roof Edmonton June 10, 2015

ARTICLE: EPDM Membrane Re-Roof of Commercial Building Flat Roof Edmonton Alberta June 10, 2015.

The following roof report is of a GRS crew completing a full re-roof on a commercial building in Edmonton Alberta. This roof was 8600 sq. ft in size.  This consists of moving gravel from sections of roof.  Installing a new EPDM membrane to the surface of the roof.  Then covering the new EPDM membrane back up with the gravel. CREW ARRIVES FOR DAY ONE OF THE JOB. 10:00 am arrive on site. Filled out our hazard assessment form, then went up on the roof. We loaded our accessories on the roof with a rope, the main roofing materials were lifted with crane. Once it was all loaded, we started to move gravel on the right side of the roof. My original plan was to remove gravel in a 20' x 50' ft. areas on the roof. I changed my plan and just removed all the gravel from one side of the roof. That way we could just roof all weekend, rather then push gravel again tomorrow.  We managed to get all the gravel from one side of the roof to the other. Now have a nice chunk to roof in over the weekend. 5:00 pm leave site. DAY ONE PHOTOS.
Gravel we had shovel
Roof ballast rock we had to shovel to get at roof deck.
shoveld Section oF Roof.
Cleared section of roof.
Another shoveled off section of roof.
Another cleaned off section of roof.
  CREW ARRIVES FOR DAY TWO OF JOB. 7:00 am arrive on site. Had our daily tool box meeting. We then got up on the roof and started to cut the old EPDM membrane out. We Then laid down the new EPDM membrane. The way the lay-out worked was we had to put separate pieces up the parapet walls on the north side. If I didn't do it this way I would of ran into trouble with all the pitch pockets. We manged to put 2000 sq. ft. in today.  Most of the units we had in that area are all sealed in and form flashed on the corners. We did this with four guys. Tomorrow should go better with six. 6:30 pm leave site. DAY TWO PHOTOS.
Corner patches and EPDM seam complete .
Corner patches and EPDM seam all finished.
Large section of EPDM Membrane Finished. with finished Parapet walls in background.
Large section of EPDM membrane installed, with parapet walls in background.
Finished product of EPDM Membrane Flat Roof.
Finished section of EPDM membrane flat roof.
corner patches on a roof top unit.
Close up of corner patches on a roof top unit.
  WEDNESDAY JUNE 10, 2015 CREW ARRIVES FOR DAY THREE OF JOB.

7:30 am arrive on site. Had our daily tool box meeting. Today we had a crew of six guys working on the roof. So all six of us then got up on the roof. I had two guys start doing detail work while I had two other guys start putting in pieces of EPDM membrane under the rooftop make-up air duct work. This wasn't easy because we could only do 15 feet at a time. The reason for this was we had to jack up the air duct and remove the rooftop pavers. We then had to put them back in once we got the piece lined up my work partner and I were laying the field - which is a lot of measuring and cutting to get the pieces to fit in around all the units. I had a half day on the north side of the roof which is the difficult side of the roof due to all the units and penetrations. We then will move to the south side, which will be easier side because there is very little detail work on that side of the roof. The EPDM membrane re-roof  is 50% complete as of day three.

6:30 pm leave site.

DAY THREE PHOTOS.

Detail work, more corner patches .
Detail work, corner patches on a rooftop unit curb.
EPDM Membrane laid out and finished under the air unit duct work.
EPDM membrane laid out under the air unit duct work.
 EPDM Membrane work around air duct unit.
Close up of EPDM work around air duct unit.
 Laid out EPDM Membrane on the field of roof.
EPDM membrane we laid out in the field of roof.
Laying out EPDM Membrane on the field of the roof.
Starting to lay out EPDM membrane on the field of the roof.
  THURSDAY JUNE 11, 2015 CREW ARRIVES FOR DAY FOUR OF JOB. Today we had to finish the north section of the roof. We had to install the two last pieces of EPDM and roof in around three units. While myself and two others were doing that I had two other guys start gluing up the walls. At 2 o'clock there was a serious threat of rain so it was all hands on deck to get the exposed long lap sealed in around all the posts. We also had gum cups to do, which we managed to get done in just  the nick of time. DAY FOUR PHOTOS.
Installing last two pieces of EPDM.
Installing last two pieces of EPDM.
Finished EPDM Flat Roof(without gravel)
Finished EPDM flat roof (without rock ballast).
Finished EPDM Flat Roof with walls all glued in.
Finished EPDM flat roof with walls all glued in.
  FRIDAY JUNE 12 CREW ARRIVES FOR DAY FIVE OF JOB.

When we arrived first thing in the morning we had to clean up some water from the rain the night before. After that I started on lap sealant where it was required and did a search of all the laps and corners to make sure they were all tight before we put all the rock back on that side of the roof. Once inspection was done we then put all the pavers back where they were before we took them out, we then filled in with gravel. Once the gravel was back in place we then turned our focus to the south side of the roof. We removed  80% of the gravel so we can start to lay EPDM down in the morning. This shouldn't take that long once the new membrane is down. I will get guys on gravel right away while others glue up the walls and start detail work.

DAY FIVE PHOTOS.

Gravel laid back in, with pavers re-insatlled.
Gravel laid back in, with pavers re-installed.
Installing pavers, before we started to lay gravel back down.
Installing pavers, before we started to lay gravel back down.
South side of roof, after we cleared off gravel.
South side of roof, after we cleared off gravel.
 

Monday June 15th: Crew Arrives For Day Six Of Job.

Today we we cleared off the gravel on the s.w corner of the roof. The area was 20 x 110 feet. Once that was done,  we swept the area off  and laid out our first run of EPDM 10 x 100 ft. Once that piece was all installed I had one worker start the next run of EPDM 10 x 100 ft so he could start on the seams.  I then had another worker start on the walls while I was doing the details around the drain and post. At the end we started to put the gravel back on that section of the roof so we could start the next section the next morning.

Day Six Photos.

Moving gravel from SW corner of building.
Moving gravel from SW corner of building.
Detail work around posts
Detail work around posts.
Detail work around rooftop drain.
Detail work around rooftop drain.
  Tuesday June 16, 2015: Crew Arrives For Day Seven On Job. Today we started by moving the rest of the gravel off the SE portion of the roof so we could then lay down the last two pieces of the EPDM membrane. Once all the gravel was moved we laid in the 2 pieces of EPDM 70 ft by 10 ft. Once they were in we installed our seam tape and started our laps on the EPDM. Once the final pieces of EPDM were installed and complete I had a worker finishing the walls and I was finishing all the detail work. At the end of the day we put all the perimeter metal back on and spread all the gravel out. We then packed up all of our stuff and down loaded it off the roof to the truck and trailer. This job is now complete. Day 7 Photos.
Seams all finished On EPDM Membrane
Seams all finished on EPDM membrane.
Finished section of roof.
Finished section of roof.
Finished section of flat roof, with gravel all back on.
Finished section of flat roof, with gravel all back on.
Parapet walls on complete EPDM Roof.
Parapet walls on complete EPDM Roof.
  Contact Us.
Call our 24 hour emergency roof repair at 1.780.424.7663. Mail to: 3428 99 Street NW Edmonton, Alberta T6E-5X5.
For all other areas of Canada call 1.877.497.3528 Toll Free.
We service all of Alberta including Edmonton, Stony Plain, Spruce Grove, Fort Saskatchewan, St Albert, Sherwood Park, Leduc, Nisku, Beaumont, Lac La Biche, Grande Prairie, High Level, Westlock, Slave Lake, Edson, Drayton Valley, Devon, Camrose, Wetaskiwin, Tofield, Lamont, Morinville, Vegreville, Tofield, Millet, Calmar, Evansburg, Redwater, Onaway, Viking, Athabasca, High Prairie, Valleyview, Fairview, Peace River, Whitecourt, Mayerthorpe and many more rural areas and towns.
CODE: 9110.

Commercial Roof Recovery for Existing Client in Edmonton AB, April to June 2015

Below you will find a series of quotations for an existing commercial client. We had previously dealt with some leaks for them as outlined here. This time, the client required a roof recovery for a 28 ft. x 44 ft. garage. Client files request, April 20 2015:
I know that you quoted on the small garage, we would like another quote that requires the following: layout, retrofit, TPO roof, no asphalt.
Quotation, April 20 2015:
  • Layover, remove stone.
  • Install new 2 in. polyisocyanurate and 0.45 mm TPO membrane.
  • New flashing is required all around to match the front of the building.
Assessment, June 22 2015: We arrived at 8:00 am and searched for roof leaks around the unit for two hours. With no luck, there was still the remaining task of installing the last drain unit over another one of the units which needed work. The roof on the second building is a 28 ft. x 44 ft. BUR roof on a wood deck that leaks in too many places to fix. One drain on the northwest corner and three other penetrations, as well as two vents and a motor exhaust are going through the roof. There is a 4 in. wood detail around the edge and one scupper. We suggest an EPDM roof recovery. The maintenance manager for the site also gave us a call to tell us that a leak was found on the west wall of the building. The crew found numerous rips in the roof along the membrane; it had been completely separated from the drain.

Materials:

  • 5 ft. of cap
  • 5 ft. of base
  • 1x can of spray primer
  • 1x 3 in. drain
  • 1 can of mastic
  • 1x roll of 6 in. reinforcement mesh
New quotation based on assessment, June 22 2015:
  • Gum patches to three or more areas
  • Replace the drain with a new 3 in. unit
  • Roof replacement using an SBS 2 ply system
  • Estimated time: 20 hours
< End Report > Code: 128 Contact Us Call our 24 hour emergency roof repair at 1.780.424.7663. Mail to: 3428 99 Street NW Edmonton, Alberta T6E-5X5. We service all of Alberta including Edmonton, Stony Plain, Spruce Grove, Fort Saskatchewan, St Albert, Sherwood Park, Leduc, Nisku, Beaumont, Lac La Biche, Grande Prairie, High Level, Westlock, Slave Lake, Edson, Drayton Valley, Devon, Camrose, Wetaskiwin, Tofield, Lamont, Morinville, Vegreville, Tofield, Millet, Calmar, Evansburg, Redwater, Onaway, Viking, Athabasca, High Prairie, Valleyview, Fairview, Peace River, Whitecourt, Mayerthorpe and many more rural areas and towns.

EPDM Flat Roof Replacement Edmonton, June 12, 2015

Article: EPDM Flat Roof Replacement. Residential Low Slope Project.

Below is a site report detailing the installation of an EPDM flat roof replacement in Edmonton, Alberta. The roof was originally a built-up tar and gravel low slope roof that connected to a shingle pitched roof system. Considerations with respect to flat roof systems. When considering flat roof replacement options, it is best to consult experts prior to choosing which membrane you will use, what will make up the roof system, and how the roof assembly will be put together. There are many considerations such as slope of roof, drainage scuppers and internal drains, insulation value, which membranes work best in your climate, what will the effect be on the building efficiency, and much more. All decisions are vital to immediate and long-term success. A flat roof is a considerable expense so you want to be very cautious to make the right decisions.
Visit our main website for a complete guide to selecting flat roofing replacement systems.
May 9, 2013: Crew Arrives For Assessment. Flat Roof Inspection.  This is a tar and gravel flat roof that connects to a steep pitch shingle roof. The roof is leaking and has been for some time in different areas. The roof is soft and spongy and there will be some replacement of sheathing and possibly the insulation. The roof is 960 square feet and needs to be re-sloped. The old roof would have to be removed to add enough room for re-sloping.
Tar And Gravel Roof. Flat Roof Replacement Edmonton - EPDM.
Tearing in the roof membrane visible under the ballast rocks. The roof had become soft and spongy, with leaking in different areas all throughout.
Drain Needing Replacement on this roof.
Drain needing replacement on this roof.
Flat Roof image with chimney detail in photo.
Inspecting the chimney detail and previous spot repairs, surmising whether new metal components would need to be ordered for the replacement.
Existing Tar And Gravel Roof Before EPDM Install.
Pre-replacement photo of various appliances, such as the skylights and plumbing boots.
May 10, 2013: Flat Roof Replacement Quotation is Provided.  Our standard flat roof pricing, quotation formats and inspection reports are extensive to ensure you're equipped to ask the right questions when obtaining prices from other roofing contractors. Our quotes include all flat roof system membranes and methods of installations. Our inter-provincial journeymen red seal roofers are experts in each area of install.
Quotation
Quotation for flat roof replacement (page one only).
June 30, 2013: Crew Attends Site for Replacement of Flat Roof.
Re-Sloping Flat Roof to drain water properly.
The roof boards were mechanically fastened to the roof in such a way to achieve the correct pitch. Re-sloping ensures that a flat roof drains water properly.
Flat Roof Replacement - Roof board mechanically fastened with screws and plates.
Roof boards mechanically fastened with screws and plates around the skylights.
EPDM installation starting.
Beginning the EPDM installation around the roof edges.
July 2, 2013: Crew Finishes EPDM Roof Replacement.  EPDM Roof Is Complete.
Roof Completed With EPDM
Completed EPDM installation, with liquid rubber coatings applied around the base of the plumbing boot.
Flat Roof Replacement
Wide view of the flat section of the roof post-EPDM installation. All that remained was completing the detail work.
Flat Roof Replacement With EPDM
New drain installed on a narrow section of the flat roof, with liquid rubber coatings applied over the seams.
EPDM with new drain.
EPDM with new drain installed; seam patches visible in the background.
EPDM Flat Roof
To complete the site, we finished the detail work using seam patches and liquid rubber coatings.
< End Report > Contact Us Call our 24 hour emergency roof repair at 1.780.424.7663. Mail to: 3428 99 Street NW Edmonton, Alberta T6E-5X5. For All Other Areas of Canada Call us Toll-Free +1.877.497.3528. We service all of Alberta including Edmonton, Stony Plain, Spruce Grove, Fort Saskatchewan, St Albert, Sherwood Park, Leduc, Nisku, Beaumont, Lac La Biche, Grande Prairie, High Level, Westlock, Slave Lake, Edson, Drayton Valley, Devon, Camrose, Wetaskiwin, Tofield, Lamont, Morinville, Vegreville, Tofield, Millet, Calmar, Evansburg, Redwater, Onaway, Viking, Athabasca, High Prairie, Valleyview, Fairview, Peace River, Whitecourt, Mayerthorpe and many more rural areas and towns.

Flat Roof Replacement Edmonton, June 12, 2015

Residential EPDM and DecTec Flat Roof Replacement to in Edmonton, Alberta.

Below is a short roof report from the replacement installation crews that installed EPDM on one of the roofs and DecTec on the other roof on a flat roof residential property. June 12, 2015: Crew arrives on-site to begin old roof tear-off. We started the day with a toolbox meeting and then ripped the roof. The following supplies were picked up from the shop: paint brushes, roller cage, caulking, garbage bags. After we got back we cleaned up and started to replace the wood, framed in the back and the wall tie-in, installed our vapor barrier, then ISO boards, and secured the rock. After it was all screwed down we placed russ strip and started our EPDM membrane installation.
Flat Roof Replacement Edmonton. June 12, 2015. Flat Roof Ripped.
Flat roof tear-off complete, with the surface exposed.
Flat Roof
Exposed roofing adjacent to the edge.
ISO Board
Installed ISO board on a narrow section of the roof.
Vapor Barrier
Vapour barrier installed over the ISO boards.
EPDM Roof Completed
EPDM adhering to the roof.
Small Roof Completed
New EPDM fully-adhered over the perimeter. Flashing was later re-installed over top.
EPDM Roof
Flashing replaced over the edges.
July 9, 2015: Crew Arrives to do DecTec in Front of Building.  When we got on site to do the DecTec Roofing, we first had to deal with a bunch of garbage from the other roof. So we cleaned up and started on the wall detail. I plan to do this roof with a drip edge and gutter instead of a parapet wall. It will be much easier to deal with the slope and eliminate a lot of details under a wall. But in order to do this I need to have the kick I brought bent at a ninety and order 4 DecTec corners from Calgary. I will also need to get a planer to drop the drip edge area in the plywood. There is a lot of rot around the perimeter and I will have to replace the wall substrate around 1/2 the roof area. I am going to need another 2 days to replace the substrate and a day to install the DecTec. July 10, 2015: Crew Arrives Back To Site.  We removed the old roof and wall substrate and floor. We then went to the dump to get rid of the garbage we had. I was going to go to Home Depot for the rest of the materials that I needed but it started raining so I just stopped there for some more poly to make sure no water got inside. We got the poly up in place and it stopped raining so we continued with the working of the trusses. It is rotten right through on the SE corner of the deck and extra time was needed to repair and cut down some of the trusses. We should be ready for new floor and wall substrate by noon tomorrow, at that time we will be at 50% completed. Receipts for job so far. Landfill $27.25. Fuel $116.67 when leaving Calgary. Poly $28.32 at Home Depot. $165.84 at the bolt supply house for screws, bits, counter bits, lock set, sawz-all blades. Approximately $175 at Acklands, can't find the receipt, might still be on the roof. If not I will have to go back to see if they can print out another one for me. For safety glasses, dust masks, cotton gloves, belts for sander, chemical masks, squencher, round sander. zip wheels. I still need approx $400 for 5 sheets for 5/8-4 x 8 select plywood, 1 sheet of half inch plywood, 3 more 2 x 4 s, (1 sheet of 3/8 plywood and 2 2 x 8 from Ravine), 2 putty blades and 6 tubes of construction adhesive. July 11, 2015: Crew Arrives Back to Site.  We spent the day replacing the rotten wood around the wall post and repaired the area so that there would not be a problem around the post again. We spent extra time correcting the slope in the SW corner so that water would not want to pond there. We also started on the first run of 5/8 plywood and go half way through lowering the edge for the drip metal to be flush. We still need another full day to complete the floor and wall substrate and install the DecTec patch II. July 12, 2015: Crew Arrives Back on Site. Today we completed the floor substrate so that there is a line of glue under every truss and 2 inch screws countersunk and spaced out every 8 inches. We then installed a drip edge behind the wall substrate and installed the matching wood to the walls. Then we installed metal 90 to the corners that had gaps over a 1/4 inch to reinforce them. Then we installed a metal kick under the patio door and window. Then we installed dec corners and drip edge. We then sanded down the whole area and installed dec patch to the laps. July 13, 2015: Crew Arrives Back On Site.  This morning we sanded the dec patch until 10 am, from that point on it was just installing the membrane. We almost finished, I still have some work with the building envelope and weld one spot in the front of the building. We still need to go to home depot and pick up some gutter and ends and brackets. We should everything completed by noon tomorrow. July 14, 2015: Crew Completes Job. This morning we went to site to confirm the measurements for the gutter and went to home depot. When we returned,  we installed the gutter and trimmed the rubber at the back of the house. The site is now complete. < End of Report > CONTACT US Call our 24 hour emergency roof repair at 1.780.424.7663. Mail to: 3428 99 Street NW Edmonton, Alberta T6E-5X5. For Other Areas of Canada Call us Toll-Free +1.877.497.3528. We service all of Alberta including Edmonton, Stony Plain, Spruce Grove, Fort Saskatchewan, St Albert, Sherwood Park, Leduc, Nisku, Beaumont, Lac La Biche, Grande Prairie, High Level, Westlock, Slave Lake, Edson, Drayton Valley, Devon, Camrose, Wetaskiwin, Tofield, Lamont, Morinville, Vegreville, Tofield, Millet, Calmar, Evansburg, Redwater, Onaway, Viking, Athabasca, High Prairie, Valleyview, Fairview, Peace River, Whitecourt, Mayerthorpe and many more rural areas and towns.

Roof Repair Drayton Valley – Metal – EPDM. June 2, 2015.

Article: Roof Repair Drayton Valley. EPDM Flat Roof Replacement. Liquid Rubber Low Slope Metal Roof Repairs. Industrial.

This site report is for an industrial location customer in Drayton Valley that requires metal roof repairs on a low slope standing seam roof and a roof replacement on a flat roof that had a PVC membrane that they wanted changed to EPDM. One advantage that liquid rubber has is that we can use it either as a full coating or use it for spot repairs. In this instance the customer only needed some specific site repairs on the industrial metal roof. The other scope of work was an EPDM install. The short site report is below. October 19, 2014: Crew Arrives On Site To Complete Liquid Rubber Spot Repairs To Metal Roof.  Site Location: 5459 55 Street Drayton Valley, Alberta.
Problem Identified Problem Identified - Edges of metal flange leaking.
Problem Identified - Edges of metal flange leaking.
Repair includes seam tape and then liquid rubber.
Repair includes seam tape and then liquid rubber.
Liquid Rubber Repairs  Applied to Flange.
Liquid Rubber Repairs Applied to Flange.
Completed liquid rubber repair to roof penetration - stack flange.
Completed liquid rubber repair to roof penetration - stack flange.
Liquid Rubber to Ridge of Metal Roof (after seam tape).
Liquid Rubber to Ridge of Metal Roof (after seam tape).
Liquid Rubber Repair - Roof Repair Drayton Valley.
Liquid Rubber Repair - Roof Repair Drayton Valley.
  December 14, 2014: Crew Finishes EPDM Flat Roof Replacement Drayton Valley. Removed old PVC roof. Installed new EPDM using bonding adhesives. Installed drain using water cut. Installed detail using primer with EPDM patches. Installed metal with new caulking. We sealed the laps with EPDM lap sealant.
EPDM Flat Roof Replacement Drayton Valley
EPDM Flat Roof Replacement Drayton Valley - tearing off old roof.
EPDM
EPDM
EPDM Flat Roof
EPDM Flat Roof
  < End of report>   CONTACT US Call our 24 hour emergency roof repair at 1.780.424.7663. Mail to: 3428 99 Street NW Edmonton, Alberta T6E-5X5. We service all of Alberta including Edmonton, Stony Plain, Spruce Grove, Fort Saskatchewan, St Albert, Sherwood Park, Leduc, Nisku, Beaumont, Lac La Biche, Grande Prairie, High Level, Westlock, Slave Lake, Edson, Drayton Valley, Devon, Camrose, Wetaskiwin, Tofield, Lamont, Morinville, Vegreville, Tofield, Millet, Calmar, Evansburg, Redwater, Onaway, Viking, Athabasca, High Prairie, Valleyview, Fairview, Peace River, Whitecourt, Mayerthorpe and many more rural areas and towns.  

Residential Flat Roof Repair Edmonton, June 9 2015

Article: Residential Flat Roof Repair Edmonton, Alberta. EPDM Low Slope Roof Membrane.

Repair of an EPDM low slope roof on a residential home in Edmonton, Alberta. The low slope (flat) roof transitions to a pitched shingle roof. Penetrations and challenges include chimney, skylights, vents, drainage, ice damming, and insulating value on low slope. Additionally the transition between the low and steep roof systems posed challenges. Also a section on choosing the correct low slope membrane and roof assembly.
This customer had originally called us when Edmonton had set records for snow-fall in January of 2012. She had significant snow loads on her roof and the concern was that her roof may collapse. So we removed the snow from her roof and discovered significant ice damming challenges on the low slope portion.
We returned in 2013 and 2014 to do regular roof snow removal because every-time the snow built up on the roof the heat from inside her home would get to the underside of the low slope roof sheathing and cause ice damming. The ice dams would then get in between the laps of the existing roof membrane and result in leaks.
Mid 2014 she contacted us to quote on the replacement of the low slope roofing with hopes of solving the problem.
We quoted the various options for low slope roofing membranes, which included; Spray Foam (SPF), Tar and Gravel, SBS Torch-On, EPDM, TPO, PVC and Liquid Rubber.
Our standard quotations include pricing for the different options available for flat roof system membranes, a roof inspection report, a write-up on the pro's and con's of each type of system and our recommendations for your most suitable roof membrane choices.
Below is a sample flat roof quotation. The first link is a PDF download and the second is a Word Doc file download.
Our customer chose to replace her failing tar and gravel built up roof with an EPDM single ply membrane roof recovery (or retro-fit). This means that we removed the gravel and skinned the bitumen membrane off and then mechanically fastened a roof board and then fully adhered the EPDM. We also did some drain work and scupper work. Our customer did not opt for a complete removal, re-sloping with an engineered slope insulation system, or any additional R value added which could also have been done with simple rigid type insulation boards.
In early 2015 our customer had called with leaks to the low slope membrane - the ice dams were back. This is an important lesson in choosing the correct roof membrane, insulation, drainage, re-sloping and more. Had we been able to re-slope the roof and been able to add insulation value, the heat from the inside of the home would not escape and get to the underside of the roof membrane and cause ice damming. But, the customer requested the least expensive options and even though our reports (see link above for sample quotation and inspection report) explain in detail most considerations, this is the way it was requested to be done by the customer.
So this spring we returned to find the same ice damming causing issues with a now new membrane. We also found drainage issues which were expected - the roof was ponding because a re-slope was not in our scope. And there were some technical (debatable) installation tweaks that may or may not have been required. Nonetheless, we now had a new roof leaking the year after it was installed.
So of course we once again suggested the upgrade options to alleviate the issue but the customer would have nothing with that and requested we simply do the repairs and move on.
Below is an account from the crew of the type of repairs they did to try and mitigate any issues in the future (full well knowing that the prime aggravating factors are insulation value and sloping).
May 5, 2015: Crew Attends to Residential Flat Roof Repair.  We arrived on site at 9:58. We started the day with the toolbox meeting and safety documents. We then went up on roof to determine an installation plan. The scope of work we decided on and did is as follows.
Scope of Work # 1 The first step was to pull all EPDM down to flat roof from under the shingles at the bottom of the sloped roof. This reinstall was to ensure no water could be coming from the flat roof to steep pitch roof transition. We then had to remove all metal flashing from around the two skylights and chimney on the roof. Once we had all the EPDM pulled we started lifting shingles along the first few rows of the sloped roof and applied the EPDM bonding adhesive. This was done under the first couple layers of shingles and to the underside of the EPDM. We then installed the EPDM back under the shingles. Then next step was to apply a bead of water block on the edge of the EPDM under the shingles. Once that was complete we secured EPDM by screwing a piece of turn-bar down on the edge of the EPDM where the water block bead was applied.
Scope of Work # 2 The crew arrived on site at 1 pm and started working on the cricket behind the chimney.  He started by cutting a piece of EPDM 7'x3'. He then had to take the Epdm bonding adhesive and apply in the same manner as the work in scope # 1 by applying the adhesive under the shingles as well as the under side of the Epdm. Once the 7'x3' piece was installed he started working on the corners. Using quick prime and seam tape he seamed in the corners of the Epdm around the chimney.
 
WORK LEFT TO DO: -patch corners -more turn bar and water block -install and or replace shingles Roughly 6 hours of work left to complete.
MATERIALS USED: -7'x3' piece of EPDM -EPDM bonding adhesive 1/3 of a pail -screws -30 ' of termination bar - 2 tubes of water block -tube of caulking for skylights -half a tube of lap sealer for temporary seals -6 feet of seam tape - quick prime 1/8th of a pail.
Residential Flat Roof Repair Edmonton. Pulling EPDM out from under shingles.
Residential Flat Roof Repair Edmonton. Pulling EPDM out from under shingles.
Peeling back Epdm membrane from skylight curbs.
Peeling back Epdm membrane from skylight curbs.
Taking flashing off chimney
Taking flashing off chimney.
Applied EPDM Adhesive
Applied EPDM Adhesive.
Rolling EPDM back under shingles after adhesive was applied.
Rolling EPDM back under shingles after adhesive was applied.
Installed Piece of Termination bar on tup edge of EPDM (under shingles)
Installed Piece of Termination bar on top edge of EPDM (under shingles).
joining two seams of EPDM, with quick prime and seam tape
Joining two seams of EPDM, with quick prime and seam tape.
May 8, 2015: Residential Flat Roof Repair Crew Attends.
We started at 7:30 AM with a daily tool box meeting. We then got up on the roof and started shoveling snow away from work area so we could complete today's scope of work.
Scope #1. Scope one consisted of applying corner patches to the rear corners of the chimney. The next step was to apply tape primer to the EPDM surface on the corner of the chimney. We then cut 6"×6" squares of 6" covers strip  to use at the corner patch.  We applied  this piece on top of the tape primer and let it sit to cure.
Scope #2. Install termination bar for the EPDM on the front of the skylights. For this we measured and cut a piece of turn bar to fit the front side of the sky light. We then screwed (mechanically fastened) the termination bar.
Scope #3. We had to take the bottom two layers of shingles off and replace with new ones. For this we had to carefully lift the bottom rows of shingles and pry out the nails so the shingles would slide out. We then took the new shingles and installed them. This consisted of laying down the first layer and nailing in place. The next step was to put on the second row of shingles which slid under the old existing one and nailed in place half way down the first shingle we layer down. Job is complete.
Completion photo #1 of where shingles at steep pitch meet low slope EPDM membrane.
Completion photo #1 of where shingles at steep pitch meet low slope EPDM membrane.
completion photo #2
Completion photo #2.
Materials Used:
-2 bundles of shingles
-roofing nails
-8'of turn bar
-2' of cover strip
-rags
- tape primer
-screws

< End of report >

Click here to visit our local roof repair website and order a quotation for flat roof repair in Edmonton or area or contact us per below.

CONTACT US
Call our 24 Hour Emergency Roof Repair at 1.780.424.7663. Mail to: 3428 99 Street NW Edmonton, Alberta T6E-5X5.
For all other areas of Canada call 1.877.497.3528 Toll Free.
We service all of Alberta including Edmonton, Stony Plain, Spruce Grove, Fort Saskatchewan, St Albert, Sherwood Park, Leduc, Nisku, Beaumont, Lac La Biche, Grande Prairie, High Level, Westlock, Slave Lake, Edson, Drayton Valley, Devon, Camrose, Wetaskiwin, Tofield, Lamont, Morinville, Vegreville, Tofield, Millet, Calmar, Evansburg, Redwater, Onaway, Viking, Athabasca, High Prairie, Valleyview, Fairview, Peace River, Whitecourt, Mayerthorpe and many more rural areas and towns.
  Code: 10007

EPDM Roof Replacement Edmonton, June 8 2015

ARTICLE: EPDM Roof Replacement Edmonton, Alberta. Flat Roof, Residential, Single-Ply Membrane. Firestone.

A roof site report documenting the installation of a small flat roof on a residential property. We replaced the roof with EPDM membrane in Edmonton, Alberta. The old roof was a roll on built up roof. About EPDM Roofing. Ethylene Propylene Diene Monomer (EPDM) roofing is now one of the more used roof systems in North America. EPDM roofing is a single-ply roof membrane like TPO and PVC. The single-ply membranes came along more than forty years ago after tar and gravel and SBS modified torch-on. The most popular single-ply roof membrane systems in Canada are EPDM (rubber roofing), TPO (thermal plastic) and PVC (poly-vinyl). Single-ply membranes are more affordable than tradition BUR and torch on roofing systems due primarily to labor savings. Single ply roof material is also less costly, but the main savings comes as a result of installation time being less. In warmer climates, white or reflective roofs produce a net benefit for building efficiency. In colder climates (like Alberta), a black membrane such as EPDM produces a net benefit because we have more cold days than warm days. EPDM can assist with snow melt being faster and this improves overall building performance and efficiency by lessening the roof dead weight load. A dark roof will also melt ice dams quicker resulting in less maintenance due to membrane damage caused by ice and snow. EPDM also has the benefit of thermal shock durability. The EPDM roofing association states that EPDM has expansion of 300 percent. When you add the UV stability EPDM possesses to its expansion qualities it makes sense to use it in any environment. Traditional BUR and torch on SBS do not have the same expansion quality or UV stability. Tar and gravel requires pea gravel and SBS requires granules to protect it from the sun’s rays. Even TPO and PVC do not have the expansion qualities of EPDM. A significant benefit of using EPDM is that science tells us in many recent studies that in a cold climate single ply reflective roofs are prone to condensation issues – EPDM is black and doesn’t pose that issue. EPDM can last more than 40 years because of its high resistance to ultraviolet (UV) radiation according to the EPDM Roofing Association (ERA). EPDM’s resistance to moisture absorption allows it to be installed on roof systems with less of a slope than other single-plies. EPDM is also used for waterproofing reservoirs, geo-membranes, ponds and has many other uses. Choosing the Right Membrane for You. When choosing a low slope roof membrane we suggest examining the various options available on the market. Many contractors only install one or two options and are therefore not your unbiased source. Obtaining quotes from contractors that represent all system choices will help you determine which system is right for your building considering budget, performance, warranty, climate, efficiency and many more considerations. We see it all the time (the wrong choice) because we are roof repair experts - we process thousands of incoming inquiries every  year. We have seen people purchase EPDM when their roof was a high traffic area, which is not the correct membrane. We have seen large sophisticated operations in northern or central Alberta and Saskatchewan opt for a reflective membrane citing their green initiatives, which is not usually going to produce a net benefit and if you study it out will likely not hit the end goal target relating to green objectives. We have even had building operators in areas as far north as Dawson Creek or Rainbow Lake ask for a spray foam (spf) roof with a reflective covering such as polyurea on a metal roof system because their goal was to achieve waterproofing. Spray foam (spf) roofing of course will insulate but it doesn't assist in waterproofing and a reflective roof in a cold climate works against building efficiency. If you want waterproofing on a metal roof use liquid rubber in a cold climate. If you want R value then spray foam is a great option. But why pay for the insulation if you don't need it? There are many more examples. It is very important when choosing a low slope roof membrane to consult the sources and be sure it is the right system for your location and goals. Below is a report from Edmonton, Alberta that has a homeowner choosing EPDM because they wanted a better net benefit than white or cool roofing could offer. They chose a complete replacement vs. a roof recovery (retro-fit) because the existing roof assembly was not sound and there was existing moisture in the old built up roof. They did not require more R value so there was no added spray foam (SPF) or roof insulation boards to the roof. For more information on EPDM roofing visit this article from Construction Canada. http://www.constructioncanada.net/the-single-ply-skinny-on-epdm/ May 23, 2015 - Day one. Crew attends for EPDM roof replacement. 
7:30 am we started our day by going to pick up all materials needed to complete this roof . 9:30 am arrive on site . We did our daily tool box meeting for safety and then went up on the roof and started to tear up the old roof. This was not easy as there were three different roof systems on top of each other. This took 4 hours to do. Once it was fully tore up I started to replace the rotten areas with new sheathing, which wasn't much. We also had to install sheathing on the back portion of the roof.  To install the sheathing we used nails and nailed down the sheathing to the roof framing where it needed to be changed out.
Condition of the substrate on the old roof.
Condition of the substrate on the old roof.
EPDM Roof Replacement Edmonton. Old Built Up Roof before replacement.
EPDM Roof Replacement Edmonton. Old Built Up Roof before replacement.
Ripping up old roof
Ripping up old built up flat roof.
 cleaning up debris after ripping up roof
Cleaning up debris after ripping up roof.
 

May 24, 2015 - Day two on site.

8 am we arrived on site and had our daily tool box meeting. We then went on the roof and started sheathing in the entire roof. Once I got the guys installing plywood on other side of roof we went to install the EPDM on the back portion of the roof. Once that was complete we helped finish the sheathing along the parapet walls.

Once the roof was fully sheathed we then started to lay rubber on our open field. We managed to get most of it done, but we will have to return for 5 hours tomorrow to finish the roof.

Installing Sheathing on roof
Installing sheathing on roof.
Parapet wall construction for EPDM roof.
Parapet wall construction for EPDM roof.

May 25, 2015: DAY 3 completion.

We started the day with our daily tool box meeting. We went up on the roof and we started finishing the EPDM on field of the roof. We then started on the parapet walls.

When one side of the parapet wall was complete we then started on the other side of the parapet walls. When the parapet walls were done we then started to seal in the drain with form flash and install all the seam patches and corner patches also with form flash.

Once that was finished I helped the guys finish the other parapet wall. The crew then cleaned up the roof and the ground while I sealed in the other drain and corners with form flash. When the roof was complete I then put lap seal in the corners with patches and all three laps. The home owner did a quick inspection when we where finished and was extremely happy with the work.

Finished EPDM ROOF
Finished EPDM Roof.
EPDM roof installation Edmonton, Alberta.
EPDM roof installation Edmonton, Alberta.
EPDM roof membrane installed.
EPDM roof membrane installed.

The rest of the following photos are all finish product photos of the new EPDM Flat Roof.

Materials Used: EPDM. 3 cans of bonding adhesive. 1 can of quick prime. 1 can of lap adhesive. 2 rolls of 3 inch seam tape. 1 roll of form flash. 30 sheets of plywood. 1 box of nails 100. 1 box of 2 inch wood screws 500. 2 tubes of lap sealant. 10 pieces of drip edge.

CONTACT US
Call our 24 Hour Emergency Roof Repair at 1.780.424.7663. Mail to: 3428 99 Street NW Edmonton, Alberta T6E-5X5.
For all other areas of Canada call 1.877.497.3528 Toll Free.
We service all of Alberta including Edmonton, Stony Plain, Spruce Grove, Fort Saskatchewan, St Albert, Sherwood Park, Leduc, Nisku, Beaumont, Lac La Biche, Grande Prairie, High Level, Westlock, Slave Lake, Edson, Drayton Valley, Devon, Camrose, Wetaskiwin, Tofield, Lamont, Morinville, Vegreville, Tofield, Millet, Calmar, Evansburg, Redwater, Onaway, Viking, Athabasca, High Prairie, Valleyview, Fairview, Peace River, Whitecourt, Mayerthorpe and many more rural areas and towns.
    Code: 9311

EPDM Flat Roof and Vent Repair, June 4 2015

Article: EPDM Commercial Flat Roof Repair in Edmonton, Alberta. Roof Vent Exhaust Installation.

Flat Roof Repair Edmonton - EPDM - Roof Vent (Jack) Installation. The short site report below is the flashing in of a roof vent retro-fit (or roof jack as some refer to them as) to an EPDM commercial roof. Our client is an HVAC contractor that regularly calls on us to roof in retro-fits for flat roofs that have new air conditioners or some form of units installed. In many instances it is best practice to have any protrusion in a low slope roof to have a curb, in this instance a curb was not specified. Curbs are critical for roof skylights, sun tubes, and roof hatches. With other penetrations such as gum boxes, pipes and miscellaneous others it isn't as critical. For install detail instructions for various roof penetrations, curbs, etc visit the following link at Carlisle: https://www.carlislesyntec.com/search.aspx?mediatype=document&doctype=3&sort=doctype&category=96&categories=89,90,91,92,93,94,95 October 17, 2014: Crew Arrives To Complete Repairs. Flashing in of Rooftop Exhaust.  Site Location: 9503 12 Avenue SW Edmonton, Alberta.
This roof is a EPDM roof. They had two roof penetrations that needed to be roofed in properly. The roof was really dirty and covered in mud which took some time to clean. They used silicone to put a temporary seal around the units which we had to remove before flashing them in properly. Once we got them all clean we roofed the units in with form flash. The job is 100% complete. This was an hourly dispatch call-out plus material.
Materials used: 24 ft of 12 inch form flash. 1 can of primer. 1 bag of rags. 1 - 1 gallon can of EPDM splice wash. 2 tubes of EPDM lap seal.
EPDM Flat Roof Repair
EPDM Flat Roof Repair - rooftop exhaust units.
Repair Completed
Repair in progress. EPDM roof.
EPDM Repair
EPDM Repair in progress.
EPDM Leak Identified
Exhaust units prior to flashing them in.
  < End of Report>   Contact Us Call our 24 hour emergency roof repair at 1.780.424.7663. Mail to: 3428 99 Street NW Edmonton, Alberta T6E-5X5. We service all of Alberta including Edmonton, Stony Plain, Spruce Grove, Fort Saskatchewan, St Albert, Sherwood Park, Leduc, Nisku, Beaumont, Lac La Biche, Grande Prairie, High Level, Westlock, Slave Lake, Edson, Drayton Valley, Devon, Camrose, Wetaskiwin, Tofield, Lamont, Morinville, Vegreville, Tofield, Millet, Calmar, Evansburg, Redwater, Onaway, Viking, Athabasca, High Prairie, Valleyview, Fairview, Peace River, Whitecourt, Mayerthorpe and many more rural areas and towns.

Edmonton EPDM Roof Repair, May 29 2015

Article: EPDM Roof Repair Edmonton Alberta, Flat Roof Commercial.

One of the advantages of EPDM roofing is that repair and maintenance can be a lower cost in comparison to other roof systems such as tar and gravel and torch-on. That is, as long as it is fully adhered or mechanically fastened EPDM and not ballasted EPDM. Ballasted EPDM required the removal of the rock ballast to track, isolate and do roof repairs so it becomes more time extensive. The repair report below is an example showing that even when the original installation of an EPDM fully adhered roof is not done properly, the repairs to a deficient installation can be done relatively quick and easy. April 3, 2015: Roofing Repair Crew Arrives to Complete EPDM Roof Repair Edmonton. 
Site Location: 12420 17 Street NW Edmonton, Alberta.
There were multiple leaks on the roof along the east side of the building. Whoever originally did the roof installation had cut the EPDM rubber too short and didn't apply it up and over the roof edge.
Roof Repair Scope of Work:
We had to seal in the roof edge properly due to EPDM being cut short at original installation..
There were over 100 small holes in the north east corner of the roof which we repaired.
There were 2 B-vents that were leaking which we repaired with form flash.
EPDM Roof Repair Edmonton Photos:
EPDM Roof Repair One
EPDM Roof Repair at roof edge.
EPDM Roof Repair Completed
EPDM Roof Repair Completed along length of the edge of the roof.
EPDM Roof Repair
EPDM Roof Repair in process.
EPDM Roof Leak Identified
EPDM Roof Leaks Identified as small holes that were repaired.
EPDM Roof Vent
Roof B-Vent deficiency that was repaired.
EPDM Roof Split
EPDM Roof Split that was repaired.
  Off-site related reading: http://www.epdmroofs.org/what-is-epdm.   CONTACT US Call our 24 hour emergency roof repair at 1.780.424.7663. Mail to: 3428 99 Street NW Edmonton, Alberta T6E-5X5. We service all of Alberta including Edmonton, Stony Plain, Spruce Grove, Fort Saskatchewan, St Albert, Sherwood Park, Leduc, Nisku, Beaumont, Lac La Biche, Grande Prairie, High Level, Westlock, Slave Lake, Edson, Drayton Valley, Devon, Camrose, Wetaskiwin, Tofield, Lamont, Morinville, Vegreville, Tofield, Millet, Calmar, Evansburg, Redwater, Onaway, Viking, Athabasca, High Prairie, Valleyview, Fairview, Peace River, Whitecourt, Mayerthorpe and many more rural areas and towns.

EPDM Roof Repair in Fort Saskatchewan, May 28 2015.

Article: EPDM Roof Repair Fort Saskatchewan, Flat Roof Commercial Building.

March 26, 2015: Initial Inquiry is Received.
Good Morning, I have a commercial building in Fort Saskatchewan that has a leak in their pharmacy area, can we have someone go repair this asap? Please advise Thank you,
March 29, 2015: Inspection of Roof and Roof Report Completed by Journeyman Superintendent. 
Roof Type: EPDM Ballast, Flat Roof, Commercial.
This customer with a commercial building is experiencing two leaks in the roof. Both of the roof leaks seem to be around the drains or units. It will be hard to locate the leaks. My recommendation is for the repairs to estimated on an hourly rate dispatch for this job because it could take 3 hours or it could take 20 hours - it is hard to say without shoveling back the ballast rock and therefore being able to inspect the EPDM roof membrane.
Some photos of the original roof inspection are below.
EPDM Roof Repair Unit one
EPDM Roof Repair Unit 1
EPDM Roof Repair Unit
EPDM Roof Repair Unit
EPDM Roof Repair Long Shot
EPDM Roof Repair Long Shot
EPDM Roof Repair Drain Work
EPDM Roof Repair Drain Work
EPDM Roof Repair Drain
EPDM Roof Repair Drain
  April 7, 2015: Flat Roof Crew Attends to Commercial Roof to do EPDM Roof Repairs.
Today we fixed three leaks. The first leak was along the north wall of the roof. We pin-pointed the leak to a curb and a make-up air-unit which were both beside each other. We found numerous cracks in the EPDM. We fixed them with EPDM form flash. Leak two was above the pharmacy are of the building on the west wall. I found a corner that had a puncture in so we cleaned it and and installed a corner patch. Leak three was located to be at the center of the roof. After measuring it out we pin-pointed it to a air unit. And then at another area I shoveled back the gravel and cleaned and inspected the area and I found a lap of the EPDM that had a large fish-mouth in the lap which was the cause of that leak. I repaired it with cover strip.
EPDM Roof Repair Fort Saskatchewan Photos:
EDPM Fort Saskatchewan Leak Point
EDPM Fort Saskatchewan Leak Point
EPDM Roof Repair Fort Saskatchewan
EPDM Roof Repair Fort Saskatchewan
EPDM Repair
EPDM Repair
EDPM Leak Identified
EDPM Leak Identified
EPDM technician points out roof deficiency.
EPDM technician points out roof deficiency.
EDPM repair done at rooftop unit.
EDPM repair done at rooftop unit.
EPDM roof to be repaired.
EPDM roof to be repaired.
EPDM roof repair at rooftop unit.
EPDM roof repair at rooftop unit.
EPDM repair done on roof.
EPDM repair done on roof.
EPDM Repair
EPDM Repair.
  CONTACT US Call our 24 hour emergency roof repair at 1.780.424.7663. Mail to: 3428 99 Street NW Edmonton, Alberta T6E-5X5. We service all of Alberta including Edmonton, Stony Plain, Spruce Grove, Fort Saskatchewan, St Albert, Sherwood Park, Leduc, Nisku, Beaumont, Lac La Biche, Grande Prairie, High Level, Westlock, Slave Lake, Edson, Drayton Valley, Devon, Camrose, Wetaskiwin, Tofield, Lamont, Morinville, Vegreville, Tofield, Millet, Calmar, Evansburg, Redwater, Onaway, Viking, Athabasca, High Prairie, Valleyview, Fairview, Peace River, Whitecourt, Mayerthorpe and many more rural areas and towns.