XL-Perm Air, Vapor, and Water Barrier System
XL-Perm is a complete air, vapor, and water barrier system that provides envelope protection in four steps.
The kit includes a fast-curing liquid flashing and joint filler; an elastomeric weatherproofing membrane that can be sprayed or rolled; a silicone sealant and adhesive; and a silicone extruded transition membrane.
Other Insulation Products
Envelope and Structural Products