Fixing and buying guide

What this product is and who it is for

Earthwool Loft Roll 44 is a glass mineral wool insulation roll suitable for homeowners and builders installing or upgrading loft insulation in properties where ceiling height is not a constraint. It is ideal for cold lofts requiring effective thermal performance. The combi-cut format means the roll arrives pre-cut to standard joist widths, eliminating the need for on-site cutting and making installation faster and more efficient for both DIY and trade customers.

Thickness, coverage and pack contents

This product is 100mm thick, providing substantial insulation performance in a single layer. Each roll covers 13.885 square metres. The combi-cut format means the insulation is pre-cut to standard widths to fit between typical joist spacings, reducing preparation time on site.

• Thickness: 100mm
• Coverage per roll: 13.885m2
• Format: Combi-cut (pre-cut to standard widths)
• Long lengths for efficient installation

Compatibility and installation requirements

Earthwool Loft Roll 44 is designed for installation between timber joists in loft spaces. It is suitable where you have adequate headroom to accommodate the 100mm thickness without restricting access or ventilation. The combi-cut format is pre-sized to fit standard joist widths, making it compatible with most domestic loft structures. Ensure your loft space has adequate ventilation to prevent moisture accumulation, and check that joists are sound and free from damage before installation.

• Install between timber joists in loft spaces
• Requires unrestricted headroom for 100mm thickness
• Combi-cut format fits standard joist spacings
• Ensure adequate loft ventilation before installation
• Check joists are structurally sound

Certification and standards

Earthwool Loft Roll 44 holds CCPI Verification Mark certification across the entire product range, with certificate number 000600173/0627. This confirms the product meets relevant performance and quality standards for mineral wool insulation.