Certificate 04/0157 DuPont de Nemours (Luxembourg) S.à r.l. DuPont Tyvek Supro vapour permeable roofing underlays for pitched roofs
Publication Year
2023
Document Status
Current
Abstract
Relates to roof underlays with 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
Date of issue: November 2004. Revised May 2017 and June 2023. Readers are advised to check that this Certificate has not been withdrawn or superseded by a later issue by contacting NSAI Agrément, NSAI, Santry, Dublin 9 or online at www.nsai.ie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
Irish Agrément Board
Under NSAI Agrément, the Irish Agrément Board certificates are designed specifically for new building materials, products and processes that do not yet have a long history of use and for which published national standards do not yet exist.
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