Blown lose Fibre ceiling insulation pumped onto ceilings as a thermal and sound insulation. Packaging is in 13 - 15kg compressed bags. Weight of product is approximately 26 to 28 kg m3. Product is fire, mold, rot and insect resistant. It is made from low grade paper to ensure maximum lose in the product. THERMAL CONDUCTIVITY: K = 0.040W (M. K)