Commercial Metal Roof Repair Edmonton, June 15, 2015

Article: Liquid Rubber Coating Spot Repair to Commercial Metal Roof.

The report below is a metal roof inspection with recommendations and temporary repair and maintenance of a commercial standing seam metal roof in Edmonton, Alberta. The Product used for the repairs was liquid rubber. Commercial metal roofing systems require constant maintenance and repair to keep them from leaks. Depending on the slope (the higher the slope, the less leaks usually), the type of metal seams, age of roof and the initial installation quality your roof may need more or less repair or maintenance. For aggressive repair and maintenance of a commercial metal roof we would recommend a complete coating. For roofs that aren't leaking too badly we can do spot repairs. Sometimes roof penetrations can be replaced properly or even the fasteners can be replaced to stop leaking. There are different maintenance steps we can take dependent on the specific challenges. As far as the type of caulking or coatings we recommend... liquid rubber in Canada has been an excellent product for us and our clients. There are many products available on the market from the USA, but in most instances they peel and crack and do not last very long due to the harsh winters in Canada. The combination of a proper seam tape and liquid rubber will usually deal with any metal roof leaks you have. Visit the following link for scope of work used for various liquid rubber metal roof repair and maintenance.   July 29, 2014: Roofing Crew Arrives For Metal Roof Inspection. They are getting leaks from units on the roof as well as three big hood vents coming through the wall. The caulking has let go and would need be removed and resealed plus mesh the sides of them. There are 6 units and 10 penetrations on the roof - they would like them all sealed with mesh and liquid rubber. We would be looking at 40 to 50 man hours to complete job.
Leaking Around Rooftop Unit Curb
There had been leaking around a rooftop unit curb, caused by residual standing water draining towards the unit.
Leak Identified at wall cladding where it meets low slope metal roof.
Leak identified at the wall cladding where it meets the low slope metal roof.
Leak Around Unit
Another rooftop unit adjacent to the edge of the roof whose detailing was identified as being a leak entry point.
Metal Roof Leaking - Commercial Roof Repair Edmonton. Metal.
Inspecting for common leak points at the wall connections and around the remaining units.
  August 6, 2014: Crew Arrives To Complete Repairs.  Today we had to remove old roof caulking from the hood vents and also around some spots around the units after we did that. We cleaned them and applied seam tape and then applied our liquid rubber. We applied two coats of liquid rubber to all. As for the hood vents, we removed all old silicone and applied new caulking and sealed in the sides with seam tape and liquid rubber. I also sealed in the caulking with liquid rubber for extra protection for all rooftop units, vents and penetrations. The roof leak issues are sealed 100% and site is 100% complete. Material used. 1.5 pails of brush grade liquid rubber. 3 rolls of seam tape. 5 tubes of chalking.
Liquid Rubber Around Vent
Liquid coatings around the base of a plumbing vent and over some exposed flashing seams.
Liquid Rubber Repair at wall cladding area.
Coatings applied over a wall cladding area around a vent. 
Liquid Rubber Penetration Repair
Our coatings also extend around all roofing penetrations and standing seams which exhibit signs of deficiency (i.e. exposed, tearing, etc.).
< 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 all other areas of Canada call us at 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.

Nisku Metal Roof Liquid Rubber Coating, June 5 2015

Article: Metal Roof Coating. Teal Colored Liquid Rubber to Metal Roof in Nisku Alberta. Industrial Ribbed Panel.

Metal Roof Coatings. Considerations When Choosing Metal Roof Repair, Refurbishment and Maintenance. Metal roof systems don't last forever and will eventually require repair, maintenance, replacement or refurbishment of some kind. In central and northern Alberta metal roof systems experience significant expansion and contraction of panels. This expansion causes the fastener holes to become larger, causes fasteners to loosen, panels will come apart and the rooftop vents and other penetration areas are prone to leakage. Also, snow and ice can build-up at the eaves-trough and back up under the panels causing leaks. One method to repair or refurbish a metal roof is a metal roof coating. In this example our customer was experiencing various intermittent leaks. The leaks were primarily in the winter and spring - ice damming and snow melt were causing leaks. The challenges and considerations when coming to the right solution for our client were:
  1. The allowable budget did not allow for a complete metal roof replacement.
  2. Recovery systems such as putting another metal roof over-top or a membrane such as EPDM, TPO or PVC. All scenarios has disadvantages due to weight, cost, and street view.
  3. Spray foam (spf) was considered but the main motivating factor was waterproofing the roof and not R value. Spray foam shouldn't be considered unless R value is a significant reason to consider it.
  4. The client did not want to risk spot repairs and the aggravation with possibly having to do spot repairs year after year.
  5. Standard metal roof coatings in the market were considered, but conventional roof coatings do not last very long in extreme climates like central and northern Alberta.
  6. Liquid rubber was highly considered because of its success in cold climates, but the challenge was that that it comes in black and this particular roof wasn't a low slope industrial roof that you do not see from the street. It is a sloped industrial roof that is part of the street view facade.
  7. The customer chose liquid rubber with an acrylic color coating over the black liquid rubber knowing that at some point the acrylic coating would need to be re-painted on as acrylic will eventually start to peel and crack. This option solved the problem of street view appearance and also waterproofing the metal roof.
August 22, 2014: Journeyman Arrives On-Site for Metal Roof Leak Inspection and Assessment. 
We arrived on site and spoke with the maintenance manager. He showed us two leaks on west side of the building. When I attended to the roof and inspected the panels, fasteners and flashing I did not observe any obvious sign of the leaks. It was determined that due to when the leaks occur (winter and spring with ice damming and snow melt) that a roof coating would be best. Our customer does not want spot repairs and wants the problem solved for some time.
Metal Roof With Leaks
Metal Roof With Leaks. Ribbed panels. Exposed fasteners.
Metal Roof
Metal Roof canopy or skirt area.
Leak From Inside
Leaks inside building showing up as brown spots on ceiling tiles.
Building With Leak
Building in Nisku with metal roof leaks.
  October 15, 2014: Roofing Crew Arrives to Coat Metal Roof.
We arrived on site and conducted the morning safety meeting. The scope of work today was an acrylic roof coating color match and liquid rubber coating to base to complete lower roof. We couldn't roll the acrylic product on for some reason (it would change color in spots - we think due to specific blend), so we had to brush the whole roof. Brushing was the only way to get the acrylic to look good and consistent with the color that was already on there. Completed the whole roof and had it coated by the end of the day. The discoloring you see in the photos below are due to drying (curing) of acrylic coating. After about 30 mins the darker areas blended with the lighter areas.
Liquid Rubber Coating With Aycrilic
Liquid Rubber Coating With Acrylic Teal Color in Nisku, Alberta.
Liquid Rubber With Aycrilic
Liquid Rubber With Acrylic Top Coating. Discoloring corrected itself when complete roof dried and cured and coloring became consistent.
Liquid Rubber Coating
Liquid Rubber Acrylic Colored Coating.
Liquid Rubber
Liquid Rubber coating to metal panel roof with exposed fasteners.
  View this video to review the scope of work for application of a metal roofing coating.   < 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.

Tar and Gravel Roof Repair, May 29 2015

Article: Tar and Gravel Roof Repair Edmonton, Alberta. Flat Roof - Commercial. Emergency Dispatch. Repair to Splits, Blisters, Pitch Pockets.

March 29, 2015: Emergency Roof Repair Dispatch Call-In. Tar and Gravel Roof Repair Edmonton. This call was patched to our project manager as an emergency call-out. Our client, a management company that handles maintenance for commercial properties asked that we attend asap. One of our advantages in the roofing industry is our ability to respond 24 hours a day 7 days a week to any type of roof repair emergency. This particular emergency call-out was for a tar and gravel roof. Tar and gravel built up roofs have one advantage in that usually we can repair them almost indefinitely. As long as the maintenance inspections are done regularly and repairs done each year then chances are you will avoid having the roof become saturated with moisture. If too much of the roof assembly becomes saturated with moisture then it becomes impossible to repair tar and gravel roofs. Visit this link for a flat roof maintenance check-list and be sure you inspect your roof at least once a year or even twice a year with an expert. Below you will find the rooftop inspection and on-site roof repair work summary and photos. March 29, 2015: Roof Inspection and Report Completed. 
Site Address: 13040 137 Ave Edmonton Alberta T5L 5E3.
Property Type: Commercial Property.
This location is experiencing two primary roof leaks. One leak is on the east side of the building. The other roof leak is on the west side of the building.
When we attended to the roof we found a number of splits in the tar and gravel roof membrane. We also located a number of blisters. There are also two pitch pockets that need to be topped up as a matter of regular maintenance.
Scope of Work:
Scope of work to repair the roof would include gum patches to the splits. Also to cut open the blisters and patch them. And finally topping up the pitch pockets.
Man hours to complete = 16 total.
Material needed:
3 pails of gum.
1 spool of mesh 6 inch.
Miscellaneous other repair materials.
Tar And Gravel Gum Box
Tar And Gravel Gum Box (pitch pocket).
Tar And Gravel Roof Split
Tar And Gravel Roof Split.
Tar And Gravel Split Needing Repair
Tar And Gravel Split Needing Repair.
Tar And Gravel Repair Needed
Tar And Gravel Repair Needed - split in the membrane typically due to aged membrane and drying from UV exposure.
Tar And Gravel Split
Tar And Gravel Split in roof.
Tar And Gravel Repair
Tar And Gravel Repair.
 
April 4, 2015: Flat Roof Crew Attends To Repair Leaks. 
Even though only two leaks were reported inside the building there were a number of repairs required at roof level.
Today we fixed 12 problem areas on the roof that were a significant concern. We also filled up 2 pitch pockets. All repairs were gum patches on the tar and gravel roof.
Tar And Gravel Repair Leak
Tar And Gravel Repair being done with mesh and mastic.
Tar And Gravel Repair Being Done
Tar And Gravel Repair in process. Areas was spudded, cut open, dried out, mesh and mastic applied and roof pea gravel returned to roof.
Tar And Gravel Repair 1
Tar And Gravel Repair.
Tar And Gravel Repair Completed
Tar And Gravel Repair Completed.
Tar And Gravel Repair With Mastic
Tar And Gravel Repair With Mastic and Mesh Completed.
Tar And Gravel Repair
Tar And Gravel Repair in process.
Tar And Gravel Gum Box
Tar And Gravel Gum Box
  Article Topics: Tar and Gravel Roof Repair Edmonton, Roof Maintenance.   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.

Commercial Roofing Maintenance in Edmonton AB, January 2011 and May 2014

Below you will find field reports and project management notes from our Edmonton roofing repair crew responding to maintenance calls for an ongoing commercial real estate client.  Maintenance Call, January 20 2011:
Further to the situation at our other property, we have received confirmation that the owner has completed all he can do for snow removal at this site. As per our conversation, we would like a site assessment and quotation. This information will then be forwarded to the owner for a final decision.
Post-Repair Report, January 17 2011: There was water in the roof drain, but we noticed the down-pipe was frozen solid. Water was forced out of the pipe near the top of the wall and caused lots of ice to form against it. Ice melt was spread out around the pipe and drain. The drain pipe should be removed and thawed, or otherwise replaced completely. A tenant on the ground floor unit told us there might be as many as four units in this block (northeast corner) that have roof leaks. We should schedule a meeting with the building superintendent so he can let us in to see where they are. January 18 2011: We were shown three other units that reported leaks. Only one on the southwest corner was an actual leak caused by a frozen drain pipe. The leak on the northeast corner that we worked on yesterday has stopped. The owner also inquired about pricing for snow removal. January 19 2011: The owner has advised us that he will be cleaning the snow off the roof himself. Post-inspection indicates that there are many potential issues that will come about during the spring thaw. The roof will like experience failures during this time. The drain pipe should also be replaced. The client called us back a couple of years later inquiring about a roof replacement. We have attached notes from the project manager as well, detailing his recommendations, pros, and cons of each system. Quotation, May 15 2014:
  • Complete roof replacement options:
    • Spray foam only (+ top coating - polyurea, liquid rubber, or EPDM)
    • EPDM
    • TPO or PVC
    • 2-ply SBS modified bitumen (torch-on)
    • 4-ply engineered liquid rubber roof
    • TOUGH ROOF
  • Sustainable Roofing - Roof Recovery
    • Spray foam only (+ top coating - polyurea, liquid rubber, or EPDM)
    • EPDM
    • TPO or PVC
    • 2-ply SBS modified bitumen (torch-on)
    • 1-ply coat tar
    • 2-ply engineered liquid rubber
Project Manager Recommendations This roof appears to be a candidate for any of the systems above. Although we can perform repairs or a complete re-conditioning (maintenance), we cannot guarantee any probability of material performance or success (beyond our Lifetime Workmanship Guarantee, automatically included with any work we do). I will preface my personal recommendations with a list of important things to remember when reviewing roof system choices:
  1. All low slope roof membranes on the market are "good products" - performance depends on who installs the system, the quality of roof assembly components, and geographical area.
  2. All roof membranes have similar life-cycle expectancy and associated costs.
  3. All roof membranes will provide excellent protection over many years if maintained properly.
  4. GRS installs all different system types. Not every roofing contractor can or does install them, so personal bias can play a role in recommendations.
  5. All low slope roof systems have pros and cons.
Two of my personal recommendations for colder Canadian climates are the 2-ply SBS torch-on and the single-ply EPDM. We are discovering that EPDM achieves one of our highest probabilities of success. It has consistent performance, price point, and ease of maintenance (provided it is fully adhered and not ballasted). SBS is also widely used and has performed consistently in Western Canada. In addition to the roof membrane, if you require added R value I would consider adding roof insulation boards or a spray-foam with a liquid rubber. Polyurea or EPDM as a covering. As noted above, one of our recommendations is the single ply roofs. Of the single plys, I recommend EPDM over TPO and PVC as TPO and PVC are heat welded and technician error can play into the integrity of seaming. GRS has many hundreds of thousands of square feet on hundreds of buildings with fully adhered EPDM performing exceptionally well across Western Canada. FYI: ballasted EPDM can be a nuisance to maintain as the rock ballast becomes a significant landscaping endeavour, so we choose to fully-adhere EPDM when possible. And finally are the Tough Roof, 4-ply tar and gravel, and the 4-ply liquid rubber options. Tar and gravel (and torch-n) have been used successfully in Western Canada for a number of decades now. They do, however, use an open flame or kettle and the SBS modified torch-on also has seams that can be problematic if the torch applicator is not highly skilled. The Tough Roof system is a great system that in some instances could be considered over-kill and the 4-ply liquid rubber system can be problematic if installing outside of perfect summer conditions. A note specifically to the spray foam SPF roofing - we have experienced a number of roof failures in colder climates due to the top coat cracking and peeling when not applied properly and to the recommended thickness. Many roofing companies are pricing SPF roofing in such a way that it is difficult for them to be profitable applying the top-coat at a proper thickness. If not applied correctly, the spray foam elastomeric or polyurea coatings are prone to cracking and peeling. Water then penetrates the foam and gets in-between the existing roof system and foam, then runs, and then we have to replace the roof as there is no way to get the water out between the systems. A properly applied polyurea spray coat, liquid rubber spray coat, or EPDM membrane solves that problem. With spray foam (specifically in Canada) we prefer to cover it with EPDM primarily, and if not with EPDM then liquid rubber. We prefer to not use the standard polyurea or reflective elastomerics. Additional notes for consideration:
  1. Skylights are not included in pricing unless otherwise noted.
  2. If structure is experiencing condensation prior to renovation or does in future - a repair, recovery, replacement, or any work done by GRS under this contract is not guaranteed to alleviate condensation issues.
  3. GRS is not responsible for the structure currently or in future experiencing any deflecting, warping, or settling. GRS is not responsible to assess or advise toward engineering issues. If you have any concern about the engineering of the building, please check with an engineer in advance of any roofing work commencing.
  4. Due to the nature of low slope roofing and although all care and attention is expected by the crews at work, GRS is not responsible for water ingress that may result during construction or retro-fitting of a low-slope or “flat roof” system.
< End Report > Code: 153 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.