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Old 04-12-2019, 06:49 PM   #7
Doug Ambrisko
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Join Date: Aug 2012
Posts: 23
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When we did ours, we attached the outside panels with tape all around and then I did Sikaflex around the inside to be double sure they didn't come off. After that we spray foamed and put up plywood. We haven't had any issue with 9.5' high panels that are exposed to direct southern sun. They probably move a bit with expansion and contraction. We didn't use VHB but a competitive tape. I mis-calculated and have a bunch left over for where the panels mount to the frame and the 1" overlap. Let me know if you want some. We should write a book, 101 uses for double sided tape! We also used it help attach the plywood since a lot of the internal walls captured the plywood with windows, cabinet and trim. It doesn't work so well with wood on the ceiling but was good enough to keep it from moving when we screwed it up and then covered the screws with trim. It might provide a bit of a thermal break.
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