![]() ![]() Now the whole thing is one huge peice of plastic. These high-strength, double-sided acrylic foam tapes let you quickly and easily create a long-lasting bond that actually builds strength over time. I recently installed Rino Liner on top of my whole roof, and also over each solar panel bracket, even the wires on the roof. With 3M VHB Tapes, you can maintain consistency from sketch to construction, eliminating distracting, visible fasteners, like screws and bolts. The rubber roof sealant is still holding them strong. ![]() Yet my solar panles are still there - 17 years after I installed it. 3M All Weather Flashing Tape 8067 is a self-adhered, waterproof flashing membrane designed for sealing around openings and penetrations in exterior walls. Adheres even to damp surfaces for wider applications. Yes in my case the roof is soft 1/8" thick plywood, and styrofoam under that will not hold any weight or pull back pressure. Allows application at low and high temperatures of 0☏ to 176☏. Flex Tape Flood Protection in Yellow (6-Pack) Shop this Collection. 32 /case (48) FLEX SEAL FAMILY OF PRODUCTS. I drilled one 5/16" hole in one side, for a bolt going into the panel, and three each 3/16" holes for #10 screws into the roof. Tough and Clear Mounting Double Sided Tape (6-Pack) Shop this Collection. ![]() To make my solar panel brackets, I used 6" long 2" angle aluminum from Home Depot. Most building inspectors are more worried about solar panels lifting off a house at 45 MPH than the RV designers are. Remember that the panels are not all that heavy, but in a strong wind, the win loads can exceed the panel weight by several dozen to a hundred pounds or more. The screws might only index the bracket to the roof, but they will minimize or stop vinrations that can loosen the brackets over time. So pulling the brackets off would have been difficult, but when moving them from my class C to the Class A, I only needed to remove the screws and they pealed off - fairly easy. 3M Double Sided Mounting Tape VHB 0.5x15.4Ft 0.04in Thick Clear 4910 Heavy Duty Adhesive Waterproof Foam Tape for Car Home Office Deco. The bracket was about 3" X 4" and the sealant had a strong adheasion strength. I had the same first thought when suggested their Bigfoot brackets would stay on the roof with only roof sealant to hold them down. ![]()
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