DuPont Tyvek StructureGuard is a wall cladding membrane and the professional choice for exceptional protection, improved durability and energy efficiency especially in commercial buildings. Properties Length: 100m. Width: 1.4m. Roll size: 140m2. UV exposure: 4 months. Warranty: 10 years. Certification: BBA certified. Features Good airtightness for energy efficiency and Part L compliance. Highly water resistant, exceeding W1 (1.5m water head) standard, even after ageing. Exceptional long-term durability and UV resistance (tested to 4 months UV exposure). Can be used in all  wall constructions including commercial and residential. Wind-tight “ protecting insulation performance. Strong, lightweight and flexible for easy site installation. 10 year limited product warranty. Good nail tear resistance. Malleable, Fabric Feel.