Solar panel mounting; screws or toggle bolts?
Hello Brain Trust, I am about to add some more solar to the roof. When I did my first panel, I used toggle bolts and just went through the plywood. So the holes were a little large; that's what Di...
Forum Discussion
EgorKC wrote:Ed_Gee wrote:
Frankly, the modern thing to do is use 3M VHB 4950 double sided tape and stop putting holes in your roof.
If the VHB tape is going over a rubber roof the mechanical connection is only as strong as the adhesive bond between rubber and wood. The VHB will likely Never fail. However, the wind uplift could cause the rubber roof adhesive to fail. We have all seen that trailer coming down the opposite side of the highway with the giant air bubble beneath. I would not risk having an 8 square foot kite peeling my roof off. Could be a problem for traffic behind too.
Greg
Very True. The OP did not say he had a rubber roof so I didn't know.
