18 in. x 75 ft. FortiFlash® Butyl Waterproof Flashing Membrane | FFB18

The product's chemical compatibility with most standard sealants '“ as well as EPDM and flexible vinyl, makes it the ideal choice on the jobsite. FortiFlash® Butyl's proprietary compound delivers rock solid adhesion at temperatures well below those

• Reinforced by a heavy duty multi-layered polyethylene facer
• Chemically compatible with most standard sealants, as well as EPDM and flexible vinyl
• Seals around fasteners
• Asphalt free
• Split release sheet for easy integration
• Excellent low temperature adhesion
• For best results, use with Moistop Sealant