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

Publication Year

2004

Document Status

Withdrawn

Abstract

Tyvek ® Supro underlays are manufactured from a high-density polyethylene (HDPE) which is spun-bonded together with heat and pressure and laminated to a non-woven polypropylene sheet, using an adhesive and heat bonding to form a flexible sheet for use as an unsupported or supported underlay for tiled or slated roofs.

Document History

Superseded by the 2017 revision, DuPont de Nemours (Luxembourg) S.à r.l. DuPont Tyvek Supro vapour permeable roofing underlays for pitched roofs. Supersedes 02/0157.

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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