An air, moisture and water impermeable membrane with an aggressive, high-tack acrylic pressure sensitive adhesive that does not require the use of a primer on most construction surfaces. Compatible with many building sealants: No adverse reaction with synthetic rubber, butyl, polyurethane, silicone and silane terminated hybrid sealants. Service temperature from -40 to 176F and can be applied to substrates from 0 to 150. Impermeable to air, moisture vapor and water. Excellent adhesion to concrete, concrete block, anodized aluminum, galvanized metal, plywood and most exterior grade fiberglass matt gypsum boards without the use of any primer. Resists UV exposure for up to 6 months. Membrane has measurement markings at 6 inch grid intersections for ease in alignment and cutting. Application ideas: Designed for use as a self-adhered air, vapor and water barrier for new and remedial commercial and residential applications. Can be installed onto exterior wall sheathing and behind exterior cladding. Can be used to transition the building envelope from one substrate to another, or other openings and penetrations.