View the DuPont™ Tyvek® entry on BPindex Visit the DuPont™ Tyvek® website Tyvek® Trifecta™ offered by DuPont in the United Kingdom is an ideal solution for exterior stud walls. This non-combustible A2FR breather membrane is designed for use in all types of buildings including light gauge steel frame systems and high-rise construction buildings (above 18 meters in England, Wales & Northern …
