PERM-A-BARRIER® ULTRA™ Wall Membrane & Flashing

PERM-A-BARRIER Ultra Wall Membranes and Flashing is suitable for high altitude, high-temperature areas, and can be used behind metal exterior wall claddings and under metal caps and counter flashings at parapet wall areas.  This multi-purpose solution can be used as flashing and to complete low-slope roof-to-air barrier watertight tie-ins.

Available in 6, 9, 12 and 36-inch widths, perfect for installing in multiple scenarios.  Self-adhering, Butyl rubber membrane is compatible with a variety of substrates with proven adhesion and durability.   A minimum installation temperature of 25F helps keep crews working and projects on schedule.  Additionally, it is compatible with a variety of sealants. 

PERM-A-BARRIER Ultra Wall Membranes and Flashing is fire resistant, meeting NFPA 285 as a part of various wall assemblies.  Waterproof, impermeable, and stable offering high in-service temperatures of up to 300F.  The aluminum-faced film provides extended UV exposure limits of up to one year. PERM-A-BARRIER® Ultra is a 30mil thick cold applied self-adhered membrane with cross laminated high density polyethylene film laminated to an aluminum foil and coated on high temperature 100% Butyl adhesive.