Certificate 04/0157 DuPont de Nemours (Luxembourg) S.à r.l. DuPont Tyvek Supro vapour permeable roofing underlays for pitched roofs

Publication Year

2017

Document Status

Withdrawn

Abstract

Relates to Tyvek Supro and Supro Plus roof underlays, a flash spun-bonded HD-PE functional layer and a spun-bond polypropylene layer, for use under tiles or slates either draped or taut, on open rafter (unsupported) or fully supported pitched roofs.

Document History

Superseded by the June 2023 revision. Date of issue: November 2004. Revised May 2017. Readers are advised to check that this Certificate has not been withdrawn or superseded by a later issue by contacting NSAI Agrément, NSAI, Santry, Dublin 9 or online at www.nsai.ie

Publisher Information