Air Barrier System - Heatlok® ABS

One Source for a Complete Air Barrier System


Heatlok ABS is a self-adhered air/vapor barrier membrane for walls composed of SBS modified bitumen and a tri-laminate woven polyethylene facer. It is also used as masonry and through-wall flashing membrane as well as waterproofing membrane at openings and transitions. Demilec provides Heatlok ABS membranes that perfectly match with multiple Heatlok spray foam insulations to give you a single source for insulation and air barrier materials.


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