Commercial Tar and Gravel Leak Roofing Repair, August 2015, Edmonton

The report below covers some small repairs made to a leak in the client's tar and gravel roofing system. We attended to their concerns, and later advised that the roof be replaced. Continue reading Commercial Tar and Gravel Leak Roofing Repair, August 2015, Edmonton

Photo Journal: Flat Roof Leak Inspection Edmonton AB, March 2014

Flat Roof Leak Inspection Edmonton - Below you will find a photo journal and emergency roof repair assessment from our Edmonton roofing repair crew at a commercial roofing site. Although the call began as a tar and gravel flat roof leak repair, the extent of damage escalated to the client requesting a quotation for flat roof recovery or replacement options. More field reports will be posted as they become available for this site. Regular Flat Roof Maintenance Will Save You Money. If you own a flat roof it is critical for you to conduct regular inspections, maintenance and repairs as needed. You will save considerable money if you do this twice per year. The reason it saves you money is that a complete flat roof replacement is expensive and 9 in 10 times had maintenance been done the replacement would not be required. If you do not do regular inspections and maintenance you could face a catastrophic failure which has occurred to this roof below. Simple spring and fall inspection and maintenance would have avoided a costly re-roof. Click here for a proper flat roof inspection and maintenance check-list. Emergency Flat Roof Inspection Edmonton, March 29 2014: Flat Roof Leaks. There are multiple large leak problems on this commercial tar and gravel flat roof that are currently being managed with buckets. Flat Roof Ponding. The roof assembly is carrying considerable ponding all over that is definitely a concern with dead weight load on the roof in times of sudden storms or in winter freeze thaw situations. Roof Drains. There are two drains on the roof that are useless; the previous contractors did not sump them properly. Roof Maintenance. Previous roof maintenance contractors did not remove the gravel before using tar to patch spots that needed repair. An excessive amount of tar has also allowed trapped air to cause blistering. Gum Boxes. Four gum boxes were actually near open water, and it was able to get into them. This is also contributing to some of the leaks. Roof Membrane. The tar and gravel roof membrane has become weather cracked from the sun, contributed by an improper ballast spread. If the pea gravel is not covering the bitumen layers the UV of the sun will dry out the bitumen causing it to crack and ultimately leak. Blisters. There is mass blistering of the roof membrane in multiple areas. If they continue, water will enter there as well. Several of the blisters on the roof are cratering water into them. Temporary Flat Roof Repairs. While we were on-site, we attempted to drain as much water as possible. The client called off the temporary repairs since the problems have become greater than simple roof maintenance work. The client has requested a quotation on roof replacement or recovery options.
Pitch pan pocket (gum box) is allowing water to enter. Needs maintenance.
Pitch pan pocket (gum box) is allowing water to enter. Needs maintenance.
Gum box needs to be filled.
Gum box needs to be filled.
Gum Box - Pitch Pan Pccket.
Gum Box.
Considerable roof ponding that was much worse prior to pumping water off roof.
Considerable roof ponding that was much worse prior to pumping water off roof.
Unit curb flashing is deficient and needs repair or replacement preferably.
Unit curb flashing is deficient and needs repair or replacement preferably.
Pea gravel is vacant on this section of roof allowing UV rays to dry out bitumen layers causing bitumen to crack and allow leaks in the building.
Pea gravel is vacant on this section of roof allowing UV rays to dry out bitumen layers causing bitumen to crack and allow leaks in the building.
Water ponding around flashing at curb of rooftop unit.
Water ponding around flashing at curb of rooftop unit.
Photo of tar and gravel roof showing all the rooftop units etc.
Photo of tar and gravel roof showing all the rooftop units etc.
Roofers vacuuming off water and using sump pumps to get water off roof.
Roofers vacuuming off water and using sump pumps to get water off roof.
Water ponding on Edmonton Tar and Gravel flat roof.
Water ponding on Edmonton Tar and Gravel flat roof.
Ponding water at various locations of flat roof.
Ponding water at various locations of flat roof.
Pea gravel on tar and gravel roof is vacant.
Pea gravel on tar and gravel roof is vacant.
Roof drain in bottom right of photo is not installed properly (it should be sumped down) to allow more water to get to drain.
Roof drain in bottom right of photo is not installed properly (it should be sumped down) to allow more water to get to drain.
Ponding everywhere on this flat roof.
Ponding everywhere on this flat roof.
Flat Roof Leak Inspection Edmonton
Flat Roof Leak Inspection Edmonton
Flat roof inspection reveals roof blisters at numerous locations.
Flat roof inspection reveals roof blisters at numerous locations.
20140329_181737 20140329_183548 20140329_183552 20140329_182107 20140329_182124 20140329_182204 20140329_182212 20140329_182234 20140329_182245 20140329_182249 20140329_182303 20140329_182308 20140329_182312 20140329_182336 20140329_182343 20140329_182354 20140329_182359 20140329_182413 20140329_182420 (1) 20140329_182424 (1) 20140329_182433 (1) 20140329_182439 20140329_182500 20140329_182505 20140329_182513 20140329_182653 20140329_182710 20140329_182713 < End Report > Code: 109 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 Roof Leak Repair in Edmonton AB, July 22 2015

Below you will find an initial assessment for an ongoing residential site by our Edmonton roofing repair crew. More reports will be posted as they become available. Initial Assessment, July 22 2015: We arrived on-site at 1:00 pm and were lead by the client to two leaks in the shop. One was coming from around the skylight, and another one around the chimney stack in the middle near the edge of the roof. Upon inspecting the roof top-side, we observed that the acrylic MASTIC around the chimney was cracking and lifting in areas. It should be removed and replaced with seam tape and liquid rubber. The penetrations require the same. It is only a matter of time until it begins to leak around the entire skylight. There are also cracks and splits in the skylight, which seems to have had been coated with spray foam. The metal gum box also needs to be topped off. There is a metal boot top-side as well that looks like it was only spray foamed. The roof measurements are 85 ft. long by 51 ft. wide, and the skylight was 4 ft. x 4 ft. It should take 25 man hours to clean and repair the penetrations, apply some gum patch into the metal boot, and cover the foam/top up the gum box with rubber MASTIC. < TO BE CONTINUED > Code: 154 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.

Emergency Roof Leak Call in Edmonton AB

Below you will find a series of field reports, quotations, and photo journals for a large industrial client in Edmonton, Alberta. Our roofing repair crew initially responded to a call for roof maintenance. Over the next two years, various sectors of the site would require complete roof replacement, gutter installations, fixture repairs, and ongoing leak maintenance.  Quotation, May 9 2012:
  • Engineered liquid rubber roof coating: 2-ply coat to complete roof, fastener replacement as required, sheet metal repair as required to achieve a water-tight state.
This product is the first product we have had as roofers that solves metal roof issues and has been extremely successful with considerable and complicated roof systems for a number of our Fortune 500 or multi-national clients.
June 13 2012: We stopped by the shop en route to pick up a trowel, caulking, and wet dry gum (plastic cement) in case the leak was able to be fixed immediately upon inspection. On-site, the client lead us to the leak site where tiles were becoming stained. Visible sagging was noted. After removing the stained ceiling tile, it appeared that the leak was coming in around the RTU unit directly above someone's desk in the southwest corner of the top floor. Upon roof inspection, it was clear to me that the problem area was the plumbing vent in-between the exhaust fan and the RTU unit. It had previously been patched with plastic cement as a temporary solution. There are also a few other areas which could potentially leak in the future; a few gas line penetrations, gum cups around guy wire penetrations for antennae on the roof, and a few flashing issues around exhaust fans. IMG_1827 IMG_1828 IMG_1829 IMG_1830 IMG_1831 IMG_1832 IMG_1833 IMG_1834 IMG_1835 IMG_1836 IMG_1837 IMG_1838 IMG_1839 IMG_1840 IMG_1841 IMG_1842 IMG_1843 IMG_1844 IMG_1845 IMG_1846 IMG_1847 IMG_1848 IMG_1849 IMG_1850 IMG_1851 IMG_1853 IMG_1854 IMG_1855 IMG_1856 IMG_1857 Quotation, June 27 2013:
  • Gutter replacement: supply and install industrial fabricated gutter system to the entire building
Quotation, August 2 2012:
  • Roof repair and maintenance overhaul: remove gravel, wash, repair, return gravel
  • Complete roof replacement options: Spray foam (SPF), EPDM, 2-ply SBS modified bitumen (torch-on), 4-ply engineered liquid rubber roof, TOUGH ROOF
  • Roof recovery options: Spray foam (SPF), 2-ply SBS modified bitumen (torch-on), 1-ply coat tar, 2-ply engineered liquid rubber
Field Observations On this tar and gravel roof, piles are exposed and deteriorating; there are soft spots throughout the roof. There are multiple buckles and blisters. Previous contractors have attempted to stop the leak by caulking and using tar, but this is not working. The roof also has several areas where there is no gravel and has severe damage. The vents and flashing need to be resealed. The exposed bitumen in one area has severe lap splitting. I recommend that the roof be replaced or a recovery system be installed. In the event of a recovery, some areas may require replacement of insulation. The roof is approximately 35 years old and mostly like past the point of repairs. -insert sat photos- Work commenced at this site on August 23 2013 due to rainstorms. Field Report, August 23 2012: Gravel was shoveled away to clear a 40 ft. square, where one leak was found in the roof membrane. The origin was traced to another 10 ft. segment, which was torn up. After removing the old membrane, 2-ply flam flam and cap was torched down. The edges of this fixture were gummed to ensure water tightness. All the metal was then removed from units which contained it and inspected for leaks. It was reinstalled after finding no leaks underneath. Afterwards, six gum boxes were filled and the gravel which had been swept away from the problem area was replaced. IMG_3875 IMG_7136 IMG_7167 IMG_7845 IMG_9253   Flat Roof Scope, September 12 2013: The client has approved a 2-ply torch-on roof recovery. We will cut out wet spots. Metal capping has to be saved, as the client does not want to pay for brand new capping. We will not be providing cranes for this site, use jack units if you have to. The metal roof will also need a liquid rubber application. Materials
  • 24x 205 L drums of MetalSafe B-300
  • 24x 18.9 L pails of MetalSafe S-300
  • 15x 18.9 L pails of TrowelGrade B-400
September 19 2013: After making a supply run, we arrived to the site at 2:00 pm. The existing gutter system was measured and called in to get a price quotation for new gutters. September 23 2013: We finished tearing off the existing system and kept torching cap sheet on. A propane refill will be required soon (2x 50 lb. tanks). A bin was also dropped off on-site for waste removal. September 26 2013: Cap metal was measured for the flat roof and we sent in an order for materials. Overhanging cap sheeting was also cut back to a proper size. Liquid rubber preparation work has also begun. Once metal fabrication is completed, we will begin gutter replacement. October 9 2013: New hires were tasked with adding polyurethane to the window sidings and complete roof sheeting. A large part of the morning was spent troubleshooting the liquid rubber machine, but we managed to finish application before the day was finished. We scheduled gutter installation with the client in December. Materials:
  • 4x rolls of SBS cap
  • 4x tubes of SOPRAMASTIC, caulking-style
  • 2x caulking guns
December 10 2013: Assessment before gutter installation - yimg-1108810272-101-1470536555 yimg-1109027976-101-113628373 yimg-1109027976-101--1753848245 yimg-1109059328-101-568203035 December 11 2013: We set a new hire on building gutter end caps. It was a bit slow going since this was his first time doing so with gutters. Two other crew members installed gutter hangers. In the afternoon, the newly built gutter caps and one downpipe were installed. 20131211_163333 20131211_163342 20131211_163355 20131211_163409 20131211_164503   December 13 2013: A large section was ice was removed to install a piece of industrial guttering with attached end caps. We then added hangers and fixed some deficiencies that arose with previously installed gutters and hangars. Two more crew members arrived a couple of hours later and installed gutter downspouts. While they were at it, problematic gutter attachments were dealt with. By the end of the day, all hangars and end caps were completed. Four downspouts remain as well as a small gutter section at the entrance which requires an assessment. 20131213_152531 20131213_152536 20131213_152540 20131213_155034 yimg-1109407680-101-685963814 yimg-1109407680-101--1584029527 December 18 2013: image (1) image (2) image (3) image (4) image (5) image (6) image (7) image (8) image (9) image (10) image (11) image (12) image (13) image December 19 2013: 20131219_092739 20131219_092756 20131219_092806 20131219_092835 20131219_092842 20131219_092847 20131219_092909 20131219_093002 20131219_093546 20131219_093553 20131219_093612 20131219_094323 20131219_094905 20131219_095148 20131219_095155 20131219_095830 20131219_095900 20131219_100031 20131219_100641 20131219_100647 January 2 2014: We were called back for another gutter inspection. Most of the seams are leaking in from the west side of the building and east of the client's main office. The gutter installation job was done in very cold weather, which could be the reason for the leaks. The caulking was probably not well applied. We should review all of the seams for further leaks. 20140102_161544 20140102_161620 20140102_161743 20140102_161750  20140102_161816  20140102_161851  20140102_162058 20140102_161544 20140102_161620  20140102_161750    20140102_161851 20140102_161914 20140102_162058 20140102_162525 20140102_162601 20140102_162616 20140102_162659 20140102_162715 20140102_162739 20140102_162809 20140102_162827 20140102_162849  20140102_162916 20140102_162935  20140102_174714 January 21 2014: Firstly, all ice was removed around the affected unit. Detail patches were torched onto the unit corner, and we re-gummed a gum box. There was a piece of cap that was torched a quarter of the way; the rest had peeled off the affected unit. We dried the peeling and torched it back into place. This was probably the main cause of the office leak. Afterwards, five more soft gum boxes were touched up. A skeleton crew was left behind for firewatch at the end of the day.   20140121_093936 20140121_105608 20140121_122326 20140121_125637 20140121_130513 20140121_135350 20140121_135358 20140121_135411 20140121_135810 20140121_135821 20140121_135834 20140121_155128   < End Report > Code: 130 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.