Which adhesive caulk for solar panel mounts??
My CW has Sikaflex in 221, 505 and 715. Which one is best to mount solar mounts to thin fiberglass roof along with screws?
Forum Discussion
CA Traveler wrote:got 5 panels held down like this
I used VHB tape, screws and Dicor. Don't expect the screws to hold in thin fiberglass. What's below the fiberglass?
