High-performance external gypsum-based sheathing board made with special glass fibre and is durable against fire, moisture, mould and impact.

Lightweight and easy to carry, it facilitates fast, practical, and economical construction solutions.

Composed of calcium sulphate dihydrate is encased within a glass fibre mat. Additionally nominal amounts of additives such as starch, foaming agent, dispersants, wax and glass fibre.

Klasse external sheathing board is coloured green on the front face and green on the back face.

Features and benefits:

Euroclass A1, is fully non-combustible and suitable for structures over 18 m.
Extensively tested in a through wall system to achieve 90 mins fire protection (BS EN 1364-1).
BBA Certified.
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.
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 available.

Due to trademark ownership restrictions, this product cannot be specified in projects located in the following countries: Egypt, Iraq, Jordon, Kingdom of Saudi Arabia, Kuwait, Lebanon, Libya, Qatar, Sudan, and the United Arab Emirates.

Klasse G-board BBA Certificate