Knauf Earthwool Rafter Roll
Earthwool Rafter Roll is a semi-rigid roll of glass mineral wool which is lightweight, flexible, resilient and non-combustible with extra high thermal performance, it is designed for friction fitting between rafters. For pitched roofs at rafter level.
Performance Thermal Rafter Roll has a thermal conductivity of 0.036 or 0.032 W/mK. Fire Earthwool Rafter Roll is classified as Euroclass A1 to BS EN 13501-1.