Forum Discussion
Jfet
May 27, 2013Explorer
I decided I am going with exposure rated polyisocyanurate block foam (doesn't require sheet rock thermal barrier) although I think the only difference between this and non-exposure rated is the aluminum facer and fiberglass reinforcement. I want to use the Dow Thermax but you can't find this stuff on the west coast. A similar product is Rmax TSX-8500 polyisocyanurate. Both of these are rated at about R13 for 2 inches thick.
I couldn't find anyone that could spray polyisocyanurate. I think the block foam will be ok...will use a bit of sikaflex to fix it to the aluminum siding and steel frame on our camper build.
I couldn't find anyone that could spray polyisocyanurate. I think the block foam will be ok...will use a bit of sikaflex to fix it to the aluminum siding and steel frame on our camper build.
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