DuPont Tyvek provides a comprehensive selection of top-quality membranes and accessories that effectively prevent air and moisture infiltration, and enhance energy efficiency across various building structures. With Tyvek breather membranes and AirGuard Air and Vapour Control Layers (AVCL), customers can benefit from a resilient, all-in-one solution for building envelopes. Tyvek breather membranes are highly resistant to heat and UV rays. They utilize a distinctive single-layer technology that allows vapor to pass through but maintains waterproofing, shielding against issues such as moisture, condensation, and air infiltration on roofs and external walls.