Earthwool Loft Roll 44 has a thermal conductivity of 0.044W/mK and is classified as Euroclass A1 to BS EN 13501-1.
Earthwool Loft Roll 44 represents no known threat to the environment and has zero Ozone Depletion Potential and zero Global Warming Potential.
For pitched roofs at ceiling level and suspended timber floors.
Properties
Thickness: 100mm.
Length: 12.18m x 1140mm – 2 x 570mm / 3 x 380mm.
Thermal resistance: 2.25 m²K/W.
Thermal conductivity: 0.044 W/mK.
Fire rating: Euroclass A1 to BS EN 13501-1.
Application
Earthwool Loft Roll 44 primary use is for the thermal insulation of pitched roofs at ceiling level, it can also be used to thermally insulate floors. When used at ceiling level it is usually laid in two layers, with the first layer between the joists and the second layer over, and at right angles to the joists.
Durability
Earthwool Loft Roll 44 is odourless, rot proof, non-hygroscopic, does not sustain vermin and will not encourage the growth of fungi, mould or bacteria.
Vapour resistivity
Earthwool Loft Roll 44 offers negligible resistance to the passage of water vapour and has a vapour resistivity of 5.00MNs/g.m.
Features
- Produced for use with timber joists at 400mm and 600mm centres.
- Lightweight and economic insulation quilt.
- Provides thermal, acoustic and fire performance.
- Partially cut perforations.
Please note, due to nationwide shortages on mineral wool, this product may be subject to longer lead times.