Case Study
Customer: Rav Johal
Project Completed: March 2015
Type of Roof: Shingle
Materials:
Location: #130 – 4471 No. 6 Rd., Richmond
Project Completed: March 2015
Type of Roof: Shingle
Materials:
Location: #130 – 4471 No. 6 Rd., Richmond
This leak resolution challenge began in the attic. I measured out two leak locations, our most probable cause.
A week later we were able to complete the work outside. Our approach was very thorough. We tabbed about 20 shingles. The shingles on this roof were fastened to shiplap boards, and this was causing some to “dish.” (Many shingle manufacturers now insist that shingles to be fastened to plywood decking, to meet warranty requirements.)
When shingles are dished, it can send water sideways under the shingles, where it can then enter by way of the nail holes. Several of the nails were still wet when we exposed them. We dried and caulked any that were suspect. Another nail had backed out by about 1/4″.
The two leak locations we found were addressed. Time will tell if there are any others.
A week later we were able to complete the work outside. Our approach was very thorough. We tabbed about 20 shingles. The shingles on this roof were fastened to shiplap boards, and this was causing some to “dish.” (Many shingle manufacturers now insist that shingles to be fastened to plywood decking, to meet warranty requirements.)
When shingles are dished, it can send water sideways under the shingles, where it can then enter by way of the nail holes. Several of the nails were still wet when we exposed them. We dried and caulked any that were suspect. Another nail had backed out by about 1/4″.
The two leak locations we found were addressed. Time will tell if there are any others.
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