DuPont - Tyvek Housewrap Building Control Membranes 100m x 1400mm

Tyvek® Housewrap - Breather Membrane for External Walls. Housewrap delivers the optimum balance of properties for superior performance against the elements, and helps prevent outside water from entering the walls and help seal the home to keep outside air where it belongs. Housewarp helps reduce energy bills because homes that stay cool during the summer and warm in the winter and are dry all year round, consume less energy.