Facings - 35TL

Johns Manville 35TL facing is a flame-retardant vapor barrier facing manufactured using lightweight aluminum foil (.0003" (9 micron)), fiberglass reinforcing yarn and natural kraft paper laminated together with a flame-retardant adhesive. 35TL facing is mold and mildew resistant for added product protection and is typically used as a facing for fiberglass duct wrap and duct board.