Superglass Superwhite 40

The Superglass Superwhite 40 is a high-performance non-combustible glass mineral wool insulation, which has been specifically designed to provide thermal insulation for retro-fit/existing masonry cavity walls. The minimum width requirement for the cavity is 50mm and up to 12 metres in height, the Superwhite 40 can be installed in buildings 12m-25m in height although this must be approved by Superglass insulation. 


The Superwhite 40 has a thermal conductivity value of 0.040 W/mK, is classification A1 non-combustible is manufactured with 84% recycled glass and comes in widths of 50-125mm. 

*Always Refer Back To The Manufactures Specification Document 

For more information about this product, please speak to your local Galaxy Branch. For latest datasheets, please refer to manufacturers website.

Enquire about this product

    Don't See What you're Looking for?

    Let's talk, Our associates can help you locate hard-to-find custom products.

    Satisfaction guaranteed 100%