Assessment, May 7 2015:
The site had a plumbing issue; the drain was backed up. Our client said if there were any roofing problems in the future, that they would definitely contact us.
Surely enough, we received a call the next month.Scope of Work, June 1 2015:
We are to locate and fix the leaks of a BUR roof and add one drain basket to the drain.
When we got up to the roof, we had to locate two leaks which were both in the center of the roof but about 15 ft. away from each other. Once we swept all the gravel back, we noticed there had been two large gum patches that were previously installed by another contractor and had now failed. To test for failure, I pushed water out of the areas in the patch.
We spudded both areas. One leak was 12 ft. x 1.5 ft. and the second was 10 ft. x 3 ft. Each tapered down to 1 ft. once both areas were spudded. Underneath, there were signs of water saturation, so we had to dry each area with a shop vac. Once dry, we then gave them a coat of asphalt prime to help the MASTIC bond on the BUR system. Once priming was complete, we then applied a coat of MASTIC to the entire system followed by a layer of reinforcement mesh. Another top coat of MASTIC was applied to seal in the mesh.
Our second scope of work was to install a drain basket. Unfortunately, this could not be accomplished because it had been completely covered with MASTIC. There was nothing to fasten the basket to.
25 ft. of 3ft. mesh
3x pails of MASTIC roof patch
1x can of spray primer
Followup - Installation Report, June 17 2015:
After filling out safety documentation, we met with the client to go over leaks on the main roof when we had performed repairs on during the previous visit. From the client's assessment, there was still apparent leaking. A crew member went up on the roof and searched but could not finding anything. We will need to return when it is leaking actually occurs to get a better idea of where it is coming from.
As for the roof above the restaurant, we tracked the leak to an air unit. Once we removed the metal, paper around the base was splitting and water was getting in, evidenced by moisture. We spudded the entire perimeter and applied a coat of MASTIC, followed by a layer of reinforcement mesh, and finally a top coat of MASTIC. We then reinstalled the metal and cleaned up the site.
2x pails of MASTIC
25 ft. of 6 in. mesh
Quotation, June 23 2015:
SBS 2-ply patch along entire down-slope (60 ft. x 20 ft. patch)
Drain replacement with u-flows
Scope of Work:
Remove all gravel in the area, spud out 10 ft. on either side of the drains, and 60 ft. down the low ride of the roof. Roll on asphalt primer and torch down the base. Add new drains with u-flows and cap the entire area.
9x rolls of cap
9x rolls of base
10x gallons of asphalt primer
2x 4 in. drains
2x 4 in. U-flows
2x pails of MASTIC
The client approved our quotation on the 25th of June:
Please go ahead with this job and let’s hope it solves our leaking issues.
Field Report, July 13 2015:
We had our safety meeting and went up to the roof to shovel all the gravel away from the work-site and spudded the segments of interest in preparation of a patch. It started to rain and we had to call it a day.
Our crew had to delay work for the next few days due to heavy rain conditions. July 17 2015:
Preparatory work was completed today when we got the patch based in. A skeleton crew was left behind for fire watch.
< End Report >
More updates from this site will be posted as new field reports become available.
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