Forum Discussion
Almot
Dec 23, 2015Explorer III
Sagecoachdriver wrote:
Fiberglass dimpled roof. Forest River Forester
Ah, those are different. Very few of them are structural fiberglass - Escape, Casita, old Burro and few other. The majority are thin fiberglass over thin plywood, with struts underneath. I don't know if it will hold #10 screw without being anchored to the strut (which may not be always possible). As I recall, people used double-sided 3M VHB tape AND fasteners at the same time. There were few installs here on these roofs, Bigfootford is one of them. Check his photos on The List.
I initially thought of making something like his, but then went for a simpler install, with L-brackets only, no short legs attached to L-brackets, no clevis pins, no play.
Had to be 4" tall bracket to clear plumbing vents under the panel. Can tilt it if I want, but don't have to, plenty of charge when flat. It is tilted on the photo. 6 screws were also meant for wind loads on this 245W big 65"x40" panel when tilted, 3 of them are in the strut. For a lower bracket this is overkill, but - the Big Plan was to have it tiltable to either side, i.e. this bracket - in theory - could be used as tilting arm support. All this ended up being used as flat only, so if I had planned it as flat from the beginning, it would've been 4 screws max. In the panel I put a 1/4 stainless Rivet Nut - aka Nutsert, so I can drive the screw in or remove it from outside, there is no nut on the other side.
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