Introducing GypLyner Xternal
A through-wall solution that delivers tested fire and acoustic performances as well as a range of options for thermal performances for non-loadbearing steel framed infill systems (SFS)
Through rigorous testing and technical know-how, trusted partners, British Gypsum and Isover have combined 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, acoustic 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 & performance specifications to suit all your needs.
GypLyner Xternal components:
- British Gypsum Glasroc® X sheathing board
- British Gypsum Gyproc® FireLine 15mm
- British Gypsum Gyproc® SoundBloc 15mm
- Isover Polterm Max Plus
- Isover Steel Frame Infill Batt
- Isover Acoustic Partition Roll (APR 1200)
- Hadley Steel Frame System (SFS)*
*Steel Frame System (SFS)
GypLyner Xternal is tested with Hadley SFS. Test data for our specifications can only be used with defined Hadley Steel Framing SFS components. Please contact us through Technical Support to discuss working with other framing suppliers
Why Specify GypLyner Xternal:
- Systems designed to offer flexible specification options.
- Meet and exceed thermal performance needs through a range of insulation solutions.
- Comprehensive fire and acoustic tested solutions
- Tested windloading data
- Installation details for junctions, abutments, windows and deflection requirements.
- BBA certification for Glasroc X Sheathing Board 12.5mm and Isover Polterm Max Plus
Specify GypLyner Xternal for:
- Healthcare buildings
- Education buildings
- Offices
- Commercial buildings
- Retail and Leisure
- Industrial buildings
- Residential and Hotels
Thermal and acoustic performance

Glasroc X Sheathing Board

Market leading range of plasterboard linings

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External Walls Specification Selector
Head to our White Book Specification Selector to see how GypLyner Xternal will work for you.
Learn more about GypLyner Xternal
Visit the system page for key facts, documents and CAD details.
Download your GypLyner Xternal information
Click here to download the SFS pages from The White Book Specification Selector.
Key Considerations
When specifying GypLyner Xternal, you need to satisfy yourself that use of the system meets all relevant national Building Regulations and guidance as well as local, national and other applicable standards relevant for your construction or application, including requirements in relation to fire and applicable height restrictions.
Please refer to the Isover Product Data Sheet, Safety Data Sheet, BBA* and Declaration of Performance which are available at:
- insulation-uk.com/products/isover-acoustic-partition-roll-apr-1200
- insulation-uk.com/products/isover-polterm-max-plus
- insulation-uk.com/products/insover-steel-frame-infill-batt
- insulation-uk.com/healthandsafety
Please refer to the British Gypsum Product Data Sheet, Safety Data Sheet and Declaration of Performance which are available at:
- british-gypsum.com/products/board-products/gyproc-fireline-15mm
- british-gypsum.com/products/board-products/gyproc-soundbloc-15mm
- british-gypsum.com/products/board-products/glasroc-x-sheathing-board-125mm
The building detail is for illustrative purposes only. It does not constitute advice and should not be relied upon.