Seymour Global Limited t/a Premcrete. Premcrete gas resistant membranes. Hydroprufe 9000. Product sheet 1

Certificate 12/4957

Document Status

Withdrawn, Document not available for download

Supplement

Core Supplement

Series

Certificate

Abstract

Relates to a LDPE gas barrier and damp-proof membrane in solid concrete ground floors not prone to hydrostatic pressure, to protect against moisture, radon, methane and carbon dioxide from the ground. Key factors assessed were resistance to water and water vapour, resistance to underground gases, resistance to puncture and durability.

History

Second issue, dated 7th September 2016. Originally certificated on: 11th January 2013. Certificate withdrawn January 2023, KS 10/02/2023.

Subjects

Publisher History

The British Board of Agrément have been providing authoritative and independent information on the performance of building products for over 40 years. The certificates they produce contain data on durability, installation and compliance with Building Regulations.


Information

NBS

NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.

Accuris

We connect trusted knowledge to customers' workflows – mitigating risk, increasing efficiency and accelerating innovation For more than 60 years, leading R&D and engineering-intensive organizations have relied on us to achieve on-time, on-budget delivery of complex projects and new products. We deliver an unparalleled combination of technical content and Artificial Intelligence (AI) technologies to surface answers from the vast universe of technical knowledge, both inside and outside the organization. In a single interface, we connect the dots between information scattered across many different sources, allowing technical professionals to make better, more informed decisions faster.