Product Description URSA Loft Roll 200mm is a non-combustible, lightweight, unfaced glass mineral wool to be used in cold pitched roofs as loft insulation. The URSA Loft Roll has a thermal conductivity of 0.044W/mK. The product has excellent insulation characteristics, as well as acoustic properties. URSA Loft Roll is perfect for insulating pitched roofs at horizontal ceiling level and it is a cost effective solution for new building or upgrading older buildings. Thermal conductivity; 0.044W/mK Easy to install Easy to cut with a sharp knife Compliant with BS EN 13162

