Maxislab cavity absorber for walls

Maxislab is a semi-rigid, resilient, non-combustible, mineral wool product, providing soundproofing for walls: BRE Green Guide Rating of A+; it is available in thicknesses of 25, 50, and 100mm; easy to handle and cut to size; classed as A1 Non combustible; thermal conductivity of 0.035W/Mk.