Foster® Butylar™ NXT Vapor Barrier Jacketing is a self-sealing aluminum butyl membrane. It consists of a high-performance black butyl adhesive on a PET/AL/PET laminate film, providing minimal vapor permeance and protection against punctures and environmental damage. The black butyl adhesive is devoid of bitumen or asphalt compounds and incorporates built-in reinforcement for enhanced strength.

Foster® 96-04 Butyl Flashing Tape is a pre-formed, double-sided tape that comes in rolls with a release liner. This tape is extruded and non-hardening, consisting of a solvent-free, 100% solids gap-filling sealant with excellent tack. It is designed to create a weather-resistant and watertight seal while providing strong adhesion to various substrates, including metal, wood, glass, rubber, and masonry.