Off Grid Rving wrote:I had looked into using FRP as well for exterior but the stuff comes to small to do without many seems.
FRP in the form of Filon is available in large wide rolls, and would be perfect for SIP skins. Look for a truck body repair place near you.
0.055" thick x 102" wide http://www.factoryrvsurplus.com/categor ... ory_id=164
if you want thicker, then you have to go to cut sheet. I've seen places that list it up to 5' wide, but more commonly 4' wide. Also I've seen it listed up to 12' long.