Industrial Metal Roof Repair, April 2012, Edmonton

This industrial client reported problems with their metal roof and sought GRS' assistance in sealing all potential problem areas to prevent further water ingress. A team of six technicians went on-site and spent half a day sealing up all of the metal roof's seams. Continue reading Industrial Metal Roof Repair, April 2012, Edmonton

Edmonton EPDM Roof Restoration Liquid Rubber Coating, April 2012

Below is the collection of field reports for an industrial roofing system repaired by GRS in April 2012.
Table of Contents:
Inspection
Roof Reports
  Initial Inspection: April 17, 2012: Sealants The sealants on all 9 roof levels are deteriorated and require attention. Drainage One drain was found to have a great deal of debris blocking the way for water. It was cleared as best as possible, but is still draining slowly. Parapet Walls The EPDM roofs (of which there are 2 from the total 9) seem to be in good condition. The metal lining the parapets are also in good condition. Building Structure Building Structure Interior - Very good condition Building Structure Exterior - Very good condition Tie-Ins See 'Sealants' (above). Several of the EPDM plumbing boots, wire boots etc. are damaged. This can be seen in cases where the caulking has been worn away or when there are holes in the rubber itself. Air Conditioning Units We found that much of the flashing sealants have cuts and abrasions. There is moisture is getting through that needs to be addressed. 100_1204 Splitting N/A Blistering N/A Ridging N/A Fish-mouthing N/A Punctures We found punctures in the metal roofing, but did not observe any in the EPDM as it is covered with large ballast (approximately 1 to 1.5 inch gravel). The client, however, has reported many leaks in that part of the building, so openings of some sort must be present. We will need investigate further. 100_1214 Ballast For the most part, the ballast is adequate and well-distributed. Summary It is very difficult to pinpoint where the moisture is entering on the EPDM portions of the roof, however it appears to coming in in several areas. Several offices within the building have experienced substantial leaking. This is a very large structure and would benefit from regularly scheduled maintenance. Many of the current issues could have been mitigated before becoming a problem. Roof dimensions are:
  • 55' X 112' EPDM.
  • 38' X 51' EPDM.
  • 60' X 51' METAL.
  • 128' X 97' METAL.
  • 125' X 97' METAL.
  • 158' X 80' METAL.
  • 77' X 25' METAL.
  • 77' X 57' METAL.
  • 38' X 47' METAL.
Additional Photos: 100_1200 100_1201 100_1206 100_1207 100_1209 100_1210 100_1212 100_1213 100_1217 100_1218 100_1219 100_1221 100_1222 Roof Report, May 28 2012: Two of our crew arrived to the job site for 9am and began conducting some of the smaller repairs necessary. Materials:
  • 2 tubes ms detail.
  • 1 tube of barr.
  • 2 tubes lap sealant.
  • 4 ft. of cover tape.
  • Primer.
  • Splice adhesive.
They left the site for 5:00 pm, scheduled to return the following day (May 29). Roof Report, May 29 2012: Crew members investigated the leaks on the upper and lower EPDM roofs. They found improper rubber detail on the walls, and a corner termination. The installation of the EPDM near the roof access doorway was in a poorly state as well. They re-glued and secured the EPDM along the wall and patched several holes from staples, nails, or other rooftop debris. The flashing atop one of the offices was removed where there were signs of recent water ingress. They brought EPDM up and over the wall properly and replaced the metal that sits on top of it. After this, they moved to the upper roof had a 'popped' corner in the EPDM, as well as a pipe boot's flashing was left uncaulked (large, open gap). There were other holes located in the metal portion of the roof, which have now been sealed up properly. A pipe boot, however, appears to have been cut at some time which left an open hole and some semi-exposed wiring. We put a temporary seal on it for the night, and plan to cover it with plate or suitable flashing the next day. Roof Report, May 30 2012: Today, we finished the repairs to the roofing system. Virtually all of the penetrations (roof vents, jacks, boots, etc.) were missing sealant, so we reapplied some and ensured that they would be watertight. There was also caulk sealant around many curbs in poor shape that needed removal and reapplication. We used MS detail to reseal them (as well as some roof jack edges), using mesh to bridge the cracking or exposed edges. One of the metal walls along the roof needed the entire base resealed due to badly failing sealant. MS detail and mesh was used again to address this spot. There is a gutter on the roof in bad shape that will need to be repaired or replaced. This may have been caused by a heavy snow pack sliding down towards the gutter; a snow brake may be useful in this location. The last point of note is that the sign on the roof may need to be looked at in the future. There are holes in the metal from nails or screws tearing through in a couple of locations. It's difficult to get a proper view without getting more invasive, but this may be a concern in the future to be mindful of. 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173     This report is ongoing and will be updated as more information comes in. CODE: 6621 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.

Devon Flat Roof and Vent Repair, April 2012

This multi-family housing unit in Devon, Alberta required repair service as water was leaking into one of the tenants units. Our crew was dispatched to complete the work which included vent repair. Inspection, April 15, 2012: 
Conducted inspection as best I could as my ladder was not sufficient. The client simply wants a leaking exhaust vent removed and to have the opening sealed. The vent is approximately 4 x 4. We will require a 30 foot ladder to get to the roof. There is access to a lower level via stairs and a door, however I would not advise carrying a ladder up there as we would have to go through an aroma therapy clinic which is quite tight. The client would like to move ahead with this ASAP, so we just require a quote. The front of the building is quite tight as it is located on main street, however the rear will accommodate equipment and trucks quite well.
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Roof Report, April 17, 2012: We removed the exhaust vent from the roof and then made a recess for the flared hatch. This was so that we could install plywood over the open hole.
We then cleaned, prepped, and re-insulated the hole before covering it with liquid rubber.
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CODE: 30 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 Roof Repair and Maintenance Service, April 2012

This report summarizes an annual maintenance and repair service done to ensure a water-tight state on a complete roof system. A subsequent return was required in order to touch-up potential problem areas. The crew arrived on site and began prepping the standing water areas. Next they rolled on high build 200 (14' x 26' 364 square ft.). A crew member called the project manager to begin fire watch as a propane torch was required to make repairs. Rubberized membrane was rolled onto the affected areas which were causing water leaks. 20150908_16521520150908_165219 20150908_165224 20150908_165232 20150908_165249repairs and rubberized membraine 030repairs and rubberized membraine 039 repairs and rubberized membraine 040 repairs and rubberized membraine 041repairs and rubberized membraine 027 repairs and rubberized membraine 016 repairs and rubberized membraine 034 The initial repairs had been done but there was still some leaking occurring. The crew returned to the site, located a couple of areas that could be potential problems and did some touch up work. The return visit only took one hour. 20140616_152333_resized 20140616_152326_resized 20140616_152316_resized20140616_150424_resized 20140616_150500_resized 20140616_152312_resized < End Report > CODE: 13131 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 Liquid Rubber Roof Replacement, April 2012

This post reflects the field reports of a GRS crew attending to a client's re-roofing request. At the onset, it would appear that they would like to explore Tough Roof or a liquid rubber system.
The homeowners at this location are in the midst of a complete remodel and are looking to eliminate all problems with their roof. Though smaller repairs could be made, it looks like they would like to replace the roof outright. After explaining the systems available to them, they appear most interested in Tough Roof or a liquid rubber system.
  Scope of the Work:
  • Sealants and tie-ins are dried, non-malleable, and cracking.
  • The drainage appears to be good. No clogs, No pooling.
  • The parapet walls consist of capping only.
  • Building structure interior and exterior appear solid
  • The current tar and gravel roof is splitting - there is no sponginess. Blistering was found in 2 areas, with the larger of the two nearly punctured.
  • Christmas Light holders have been screwed into the capping above the windows, this will have to be replaced.
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  Update (May 30, 2012): We advised the client that roof preparation would commence the following day for the engineered liquid rubber application. Update (May 31, 2012):
After picking up some equipment from another job, the crew arrived on site for 9:20am, ready to begin preparing the roof for liquid rubber application. The gravel had to be removed first, followed by a thorough power washing to remove all possible debris from the roof. This took up the bulk of the day, but they received some extra assistance between 3:30 and 5:30 from another pair of crew members after they'd completed another job. Everyone on the main team departed at 6:30pm.
Update (June 1st, 2012): The crew returned to the job site for ~10:00am and continued pressure washing the roof and preparing it for the spray-on liquid rubber. They departed again for 2:30, having completed the preparations. Liquid rubber was then applied to the roof in what is called a 'flood coat'. The crew cited that the single coat was appropriate, and that another wouldn't be necessary. Update (June 13, 2012): The client called us to advise that a leak had developed at the skylight and that regardless of rain quantity, it appeared 'random' in how much water would seep through, and at what rate. The leak began after the Christmas lights were removed from the screw-in fixtures atop the window capping. The responding team went back up onto the roof and determined that the caulking around the windows was correctly applied. They concluded that there was no damage to the roof or fault in the liquid rubber application; the leak must be a problem with the window itself.   IMG_1858 IMG_1859 IMG_1860 IMG_1861 IMG_1862 IMG_1863 IMG_1864 IMG_1865 IMG_1866 IMG_1867 IMG_1868 IMG_1869 IMG_1870 IMG_1871 IMG_1872 IMG_1873      
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        Update (August 12, 2012): The client reached out to us again that the window is continuing to leak, and that they would like us to look at the flashing  on the roof where the Christmas lights had been screwed into. This recent bout of poor weather saw more water leaking in beyond a spot or two.   Update (August 28, 2012): The crew made it out to the client's location for further, more extensive repairs and safeguarding. They arrived at 9:15, and removed water from the roof, blow drying it clear as well. The capping metal was replaced and screwed down, and a trowel installed to the roof connection. After that, they installed scrim sheeting just before more rain came in. They had to leave the site between 4:30 and 6:30pm due to weather, but returned to tarp the site walls for an over-spray of more liquid rubber. Another coat was started, and the team continued to work until 8:15pm when more rain came rolling in. Tarps were left in place with the client's blessing, and the team promised their return in the morning.   Update (September 19, 2012): Once again, we arrived on location to address the area around the skylight/windows. Our crew member found a few holes and cracking that required repair. They were patched with seam tape and more liquid rubber. This repair took a mere hour and a half; crew departed site after that.     20140918_080905_resized 20140918_080910_resized 20140918_080957_resized 20140918_081004_resized 20140918_091942_resized 20140918_091953_resized 20140918_093327_resized 20140918_093341_resized 20140918_093349_resized   CODE: 4722 Contact Us 24 Hour Emergency Roof Repair. Telephone: 1.403.873.7663. Email: info@calgaryroofrepair.ca. Mailing: 240 – 70 Shawville Boulevard SE Calgary, Alberta. T2Y 2Z3. For all other areas of Canada call 1.877.497.3528 Toll Free. We service all areas of southern and central Alberta and south east British Columbia including Airdrie, Banff, Calgary, Canmore, Crossfield, Carstairs, Didsbury, Olds, Sundre, Three Hills, Drumheller, Hanna, Brooks, Bassano, Strathmore, Chestermere, Irricana, Cochrane, Black Diamond, Okotoks, Priddis, Bragg Creek, Cranbrook, Fernie, Panorama, High River, Vulcan, Medicine Hat, Lethbridge, Taber, Sylvan Lake, Red Deer and other Alberta rural points between.