Knauf Earthwool Loft Roll 44 Glass Mineral Insulation 100mm / 150mm

Knauf Earthwool Loft Roll 44 Glass Mineral Insulation 100mm / 150mm is an insulation product used within the roof, loft, wall or floor build-up, helping improve thermal and/or acoustic performance.

In pitched roofs it may sit between rafters, below rafters, at ceiling/loft level or within adjacent wall/floor areas. Check the required U-value, ventilation strategy, vapour control layer and board/roll size before ordering.

Best for

• Improving thermal/acoustic performance in roofs, lofts, walls or floors
• New builds, extensions, refurbishments and energy-efficiency upgrades

Key features

• Sits within the roof, loft, rafter, joist, wall or floor build-up depending on the insulation type
• Brand: Knauf
• Longer roll lengths than competitors' alternatives
• Product is lightweight and partially perforated for quick installation
• Designed for use between either 400mm or 600mm joists
• Available in a range of thicknesses with a thermal conductivity of 0.044 W/mK
• Excellent thermal performance
• Non-combustible A1 Euroclass Reaction to Fire classification
• More insulation per roll than alternative loft rolls
• Soft to handle

Used with / Compatible with

• Rafters, joists, plasterboard, vapour control layers, breathable underlays and ventilation paths
• Use foil tape, VCL, cavity barriers or fixings where specified by the roof design

Things to consider before buying

• Check required thickness, U-value target and available rafter/joist depth
• Maintain required ventilation paths and use a vapour control layer where the roof design requires it
• Boards may need cutting and taping to minimise gaps and thermal bridging