GreenGuard GG40-LG XPS Insulation Board
Low GWP formula Type VI XPS, min comp strength of 40 psi & 5 R-value/inch

Channels permit drainage of water that seeps through to the roof membrane.
Low GWP formula Type VI XPS, min comp strength of 40 psi & 5 R-value/inch
Low GWP formula Type IV XPS, min comp strength of 25 psi & 5 R-value/inch