28/05/2026
New, Industry leading product - W1 & A1 tested, glass fibre faced, gyspum sheathing board. Designed to withstand the elements for up to 12 months. Only available at Klasse!
The new Klasse G-Board has been tested for water tightness, helping simplify facade build-ups by removing the need for a breather membrane.
Less materials. Faster installation. Reduced labour costs.
To help you get the most from the new system, our technical team is on hand to provide free project support, specification guidance, and installer training for your upcoming projects.
Want to see how much time and money your next project could save?
Get in touch with the Klasse team today.