Roof Deck, Roof Sheathing, Repair, Edmonton

Edmonton Multi-Family Flat Roof Replacement, May 2012

This client required a full flat roof replacement due to water leaking into the roof penetrations of this vintage roof. Drain openings are also clogged with liquid tar which had pooled on the roof in the past. Amateur repairs had been conducted previously however a proper roof replacement is needed. Inspection, April 22, 2012: The client reported that this is a 1968 building with the original roof still attached. The building currently has many leaks. This roof is rectangular in shape and measures at 53' X 67'.  Upon inspection this roof must be replaced immediately. Amateur repairs have been attempted, but have left the roof in desperate shape. On the south east corner of the building there is a pool of liquid tar. It is pouring into a penetration in the roof that was likely once a drain or plumbing vent. Tar has now clogged that opening. Drains have deteriorated to a non-functional stage. At some point a torch down repair was attempted, however it now appears water is getting underneath it and spreading throughout. The rear parking lot should leave ample space for bins and equipment. Materials Required:
  • 50 2x4's (12 ft. long).
  • 45 sheets of plywood 4x8 x 1/4 inch.
  • 6 bags of bat insulation (r value 20).
  • 1 box of 3" wood screws.
  • 1 bag of roller sleeves.
  • Iso 4x4 @ 2"  lifts.
  • Fiber board 4x4 @ 1/2" (250 sheets).
  • 1 box of  1/2" roofing nails.
  • 2 pails of hex plates.
  • 10 rolls of non perforated felt.
  • 6 rolls of armour bond flash (peel and stick).
  • 12 pack of quick dry primer (asphalt).
  • 4 rolls of fabric 6".
  • Ardon hoses.
  • 3 barrels of liquid rubber.
  • 2 pails brush grade.
    Roof Report, May 26, 2012:
Arrived on site and started ripping the old roof off. Once the roof was close to being cleaned off, two crew members started building walls. Wall frames were all put together and the roof was cleaned and prepared. We put all of the finished walls on the roof and then had lunch.
After we laid and fastened the iso, then the slope package with fiber board was fastened to that. There were high winds so we didn't spray, but we rolled on liquid rubber (embedded the mesh in it and rolled on over top of that).
Additional Scope, May 28, 2012: The following emails between our project manager (italicized) and the project coordinator show the discovery of a new issue related to joists:
The crew just called me from subject site. They have torn off the rotted sheathing and found 5 of the 2x4 joists rotted beyond use. What is the protocol here? Do we need to call an engineer? Can we sandwich the rotted joists with new 2x4's (assuming there is anything left to nail to)? If we need an engineer is there someone we use?
Joists can be spliced on either side with simple spikes. However, I need to see photos and need measurements (span of splice) to ascertain the next step of execution. Ultimately the splicing is typically a sister joist attached to either side for full length simply nailed together (unless laminated beams which require bolts). You will need approval in writing for the scope they prefer, waiving of our responsibility to their preferred scope, and the agreement to change order costs which cannot be ascertained until I see detailed photos. Thanks.
OLYMPUS DIGITAL CAMERA OLYMPUS DIGITAL CAMERA OLYMPUS DIGITAL CAMERA OLYMPUS DIGITAL CAMERA OLYMPUS DIGITAL CAMERA OLYMPUS DIGITAL CAMERA OLYMPUS DIGITAL CAMERA Roof Report, May 29, 2012: Arrived on site and ripped off a section of the roof. Then we got the plumber set up to install the drains.
Saw there was rotted wood so we laid paper and iso/slope package up until the rotted wood. Went to Consolidated and Totem to get some lumber and other materials We brought all of the rubber right to the rotted areas. By the time we got the go ahead to fix the rotted area it was too late to start the repair (we had rain in the forecast).
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Roof Report, May 31, 2012:
Arrived on site and offloaded all materials and tools on roof. Then we set the sprayer up and sprayed our 1st coat. We let that cure and then sprayed a 2nd coat. After this we brushed the rubber on the canopies.
Roof Report, June 12, 2012:  
Today I measured the cap flashing for the roof and noted some roofing material and wood still on site from the roofers. There is loose fascia and missing fascia. All plumbing vents still require caulking where the neoprene rubber meets the aluminum.
I left the site and went to Sinclair's to order metal for the project. Sinclair's informed me that the order should be done in 1 week. IMG_00000567 datedIMG_00000569 datedIMG_00000570 datedIMG_00000572 datedIMG_00000574 datedIMG_00000576 datedIMG_00000577 datedIMG_00000579 datedIMG_00000580 datedIMG_00000582 datedIMG_00000583 datedIMG_00000584 dated Photo Journal of the completed metal work: IMG_00000650 IMG_00000652 IMG_00000655 IMG_00000656 IMG_00000658 IMG_00000663 IMG_00000664 IMG_00000665 IMG_00000668 IMG_00000671 IMG_00000672 IMG_00000673 IMG_00000674 IMG_00000676 IMG_00000677 < End Report > CODE: 8604
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.

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