Tyvek Supro Plus roofing membrane is a Roof Tile Underlay for use in warm non-ventilated and cold non-ventilated pitched roof systems. A vapour permeable membrane manufactured by spinning strands of high-density polyethylene (PE-HD) and bonding them together with heat and pressure to form a flexible sheet. The product comes with an integral self-adhesive tape and will prevent the ingress of wind-blown rain or snow if correctly installed.
Valid until 1st January 2019
http://www.dupont.co.uk/products-and-services/construction-materials/tyvek-building-envelope.html?src=lacb
