Products / Duro-Guard EPS Fan Fold

Duro-Guard EPS Fan Fold is a recover board with a Type VIII (1.25 pcf, ASTM C578) expanded polystyrene core wrapped in film facers, folded accordion-style every two feet, for use under Duro-Last mechanically attached roof systems over granulated or smooth cap sheets, smooth and aggregate-surfaced built-up roofs, aged coal tar pitch roofs and single-ply membranes. The data sheet states it contains no CFCs, HCFCs, HFCs or formaldehyde.