Through rigorous testing and technical know-how, trusted partners, British Gypsum and Isover, have combined with Intrastack, a Saint-Gobain brand, to deliver a dependable system with design versatility at its core. GypLyner Xternal is a trusted solution with a wide range of clear, detailed fire and thermal performance specifications, all supported by market leading technical evidence.

Our design, rigour and testing standards give you the certainty you need when developing large scale projects. Providing reassurance and delivering all the attention to detail and substantiated evidence you get from our internal systems, in an external offering, with a clear range of regulation and performance specifications to suit all your needs.

GypLyner Xternal is covered by the Saint-Gobain full system warranty combining SpecSure® Warranty and Intrastack design-life up to 250-years*. 

_{*Assumed first maintenance at 60 years, and that building purpose and/or its required performance does not differ from which the Intrastack SFS was first designed.}