Edmonton Commercial Flat Roof Repairs, August 2011

This commercial client required several issues looked at by the GRS crew. The source of a water leak was identified, and our crew also performed repairs to the gum cups and electrical boxes. Roof Report, August 9, 2011: Today I caulked all electrical boxes, topped up three gum cups, and replaced 1 vent cap. I also replaced the wood under the exhaust fan with pressure treated wood. In the report it was suggested we clean tar off of the metal and reseal the penetrations. The only problem with that is I would have had to replace the cap metal all together, and there was nothing wrong with the metal or the seal. I decided to trowel in mastic gum around the ducting instead. I also caulked the window and attempted to clean tar stains off of the stucco wall.
I couldn't fix the electrical conduit or rehang the power box and conduit because it is bent beyond fixing. It has exposed wiring and the compression fittings are seized, we will need an electrician to fix that.
Roof Report, August 16, 2011:
We put proper insulation under the pressure treated wood along the five units on building 2. I also found a possible leak location on building 3, it was coming into the men's bathroom from ducting under the a/c unit. I found 2 spots in the ducting that were bent open so I pushed them down and caulked them. Also found a vent that wasn't roofed in properly and I fixed that as well by wrapping it in membrane and form flash. Lastly we  put new pressure treated wood and insulation under the unit on building 3.
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