ProRox SL 930 UK is a semi-rigid board for the thermal and acoustic insulation of horizontal and vertical walls where a stable insulation product is required. For example, tank walls or acoustic panels. ProRox SL 930UK slabs can also be supplied in a special water repellent grade to meet the BP Engineering Standard 172. Please ask for our ProRox SL 931 UK slabs. Reinforced aluminium foil facing is also available.