QA Fibreboard 5mm Underlay

Fibreboard 5mm underlay has fantastic thermal insulation which is perfect for use on cold sub-floors to make your room feel much warmer and comfortable. Helps to level sub-floor irregularity/unevenness up to 3mm, Remember if you are using this on concrete you will need you install QA Damp Proof Membrane to stop any unwanted moister coming up from the subfloor.

Level - provides a level subfloor for the floor covering, smoothing out the most uneven areas to offer stable support.

Warmth - exceptional thermal insulation 2.15 TOG perfect for use on ultra cold subfloors, such as cellars and basements.

Easy to Fit - QA Fibreboard is really easy to line up, cut and fit saving you a great deal of time and effort wherever you're installing it.

Please see our guide on Fitting Underlay