Knauf Dritherm 32 Ultimate is a 455mm x 1200mm high specification full fill cavity wall insulation with a thermal conductivity of 0.032 W/mK. Dritherm 32 Slabs are semi-rigid or rigid slabs of non-combustible, water repellent, glass mineral wool. Dritherm Slabs are 455mm wide to suit standard vertical wall tie spacing, ensuring a closed joint with adjacent slabs.Knauf Earthwool Dritherm 32 125mm comes in packs of 4 slabs. = 2.18m2Benefits:Excellent thermal performance.Non-combustible A1 Euroclass Reaction to Fire classificationManufactured using a water repellent additiveFully fill the cavity to prevent mortar snots and prevent bridgesSlabs are sized to fit between wall ties without the need for retaining discs,Quick and easy to installLambda Value = 0.032 Thickness - 125mm
