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Insulation and Cover Boards

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 a 1/2” Retro-Fit™ Board on one side and a universal fiber glass reinforced facer on the other. The 1/2” Retro-Fit™ is an expanded perlite mineral aggregate board.

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