Klasse G-board® Gypsum External Sheathing Board (Outwear)
We understand how challenging cement boards can be. As an alternative, Klasse offers a lighter gypsum board ensuring faster installation and a safer working environment. Designed to transform the building envelope construction, Klasse G-board's bright green appearance makes it stand out on site and its high-density design allows for easy handling, cutting and installation minimising the use of power tools and making a safer working environment for installers.
Safe & Easy To Use
Easy to handle, 30% lighter than traditional cement boards.
Can be cut with a knife - no power tools are required for cutting and minimal dust is produced.
Can easily be curved
Can eliminate the need for a breather membrane helping to lessen project costs
Water resistant with a 12 months exposure guarantee
12-Year Warranty
Robust & Durable
High density to mitigate fire, wind and installation damage and ensure you deliver a safe, on-time project
Boasts impressive pull through strength and high impact resistance
Water resistant with a 12 months exposure guarantee
12-Year Warranty
Versatile - Can Be Used In Any Framing System
Light steel infill and oversail systems on concrete and steel frame buildings
Modular buildings
Light gauge steel frame
Timber frame buildings
ACOUSTIC & THERMAL PERFORMANCE
Acoustic Performance: Acoustically tested according to ISO 10140-2.
Additional insulation can be installed without detrimental effect on the fire or acoustic performance.
Product Specification
Length - 2400mm
Width - 1200mm
Thickness - 12.5mm
Average Weight - ≤ 12kg/m2
Tolerances - Length 0 to -5mm. Width 0 to -4mm. Thickness ± 0.5mm
PRODUCT TESTING & CERTIFICATION
Reaction to Fire - BS EN 13501-1 - Non Combustible Euroclass A1
Fire Resistance - BS EN 1364-1 - EI 90 and BS EN 1365-1 - REI 90
Board Type - BS EN 15283-1:2008+A1:2009, Type GM-H1
Third Party Accreditation: You can have complete peace of mind that our board has been independently determined by the BBA that it complies with the safety, quality and performance standards set.
Extensively tested in a through wall system to achieve 90mins fire protection (BS EN 1364-1) with leading brands of SFS.
Find out more
More about G-board (Outwear)
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Download Centre
DOWNLOAD CENTREDatasheets, brochures and more! All available from our download centre.
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NBS Source Partner
NBS SpecificationKlasse Group are partners with NBS, who write specification content and manufacturer information.
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A G-board Project
VIEW THE PROJECTThis brand-new, state-of-the-art school features Klasse G-board external sheathing.
It's easy to do business with us
Klasse understands your requirement for excellent service and product reliability. As a trusted supplier we provide fast quotes and rapid delivery from our UK warehouse.
We have friendly and knowledgeable experts who will help you with your external sheathing needs, every step of the way.