
Fesco® Foam
Johns Manville Fesco Foam® is a rigid roof insulation board composed of a closed cell polyisocyanurate foam core bonded in the foaming process to Fesco Laminator Board on one side and a universal fiber glass reinforced facer on the other. Fesco Laminator Board is an expanded perlite mineral aggregate board.
Fesco Foam meets the physical property requirements of ASTM C 1289-01, Type 3. Fesco Foam specialty products are also available as tapered panels, pre-cut miters and pre-cut crickets.

