Facings

FSK 25 BI

Johns Manville FSK-25 BI facing is a flame-retardant vapor barrier facing manufactured using lightweight aluminum foil (.0003” [9 micron]), fiber glass reinforcing yarn and natural kraft paper laminated together with a flame-retardant adhesive. It is coated with a thermoplastic asphalt coating on one side that is used to bond fiber glass insulation to the facing in a subsequent manufacturing process. FSK-25 BI facing is mold and mildew resistant for added product protection and is manufactured with a folded tab to provide stapling flanges for installation.

Product Attributes

Mold Resistant Moisture Fire
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