Products / Kingspan GreenGuard LG XPS Insulation Board

Kingspan GreenGuard LG XPS Insulation Board is an extruded polystyrene board from Kingspan Insulation LLC that its line sheet presents for protected membrane roofing, including concrete ballast, stone ballast, vegetative roof and plaza deck applications. For roofing it is offered as GG40-LG (ASTM C578 Type VI, 40 psi) and GG60-LG (Type VII, 60 psi), with an R-value of 5.0 per inch per ASTM C518, in square-edge and drainage-channel boards 1-1/2 to 4 inches thick and 2 or 4 by 8 feet. The line sheet lists Class A flame spread per ASTM E84 / UL 723, Intertek CCRR 1021, a Miami-Dade listing, UL R11183 and Florida Product Approval for the 40 and 60 psi boards.