EARTHWOOL LOFT ROLL 44 - 150mm (9.177m2) Combi Cut Glass Mineral Wool

Key features

• 150mm thickness provides effective thermal insulation for cold loft spaces
• 9.177m² coverage per roll reduces number of rolls needed for typical loft areas
• Combi-cut format pre-cut to standard widths – fits 400mm and 600mm joist spacings
• Long roll lengths minimise on-site cutting and installation time
• Glass mineral wool construction offers good fire performance
• CCPI Verified product – performance credentials confirmed for UK building use
• Suitable for both trade and DIY installation
• Reduces thermal bridging when laid between joists

Specifications

Product type

Glass mineral wool loft insulation roll

Thickness

150mm

Coverage area

9.177m²

Format

Combi-cut (pre-cut to standard widths)

Suitable joist spacings

400mm and 600mm centres

Material composition

Glass mineral wool

CCPI Verification

Yes – certificate number 000600173/0627

Installation method

Lay between joists – no fixings required

Fire performance

Classified under UK building standards

Density

Standard mineral wool density for loft applications

Roll length

Long lengths for efficient installation

Moisture resistance

Inherent to mineral wool composition

Common applications

• Insulating cold loft spaces in domestic properties
• Upgrading existing loft insulation to meet current building standards
• Thermal insulation between roof joists in new-build lofts
• Reducing heat loss through loft areas in period properties
• Improving thermal performance in light commercial loft spaces
• Laying over existing insulation to increase overall thickness
• Insulating loft spaces where headroom is not a limiting factor
• Trade installation in volume house-building projects
• DIY loft insulation projects for homeowners
• Acoustic dampening in loft voids alongside thermal benefit

Search keywords

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Description

EARTHWOOL LOFT ROLL 44 is a glass mineral wool insulation product engineered for loft spaces where depth of insulation is not a constraint. The 150mm thickness provides effective thermal performance, and the 9.177m² roll size suits most domestic and light commercial loft areas. Combi-cut format means the roll arrives pre-cut to standard widths, eliminating the need for on-site trimming to fit common joist spacings (typically 400mm and 600mm centres). This reduces labour time and installation complexity, making it a practical choice for both trade installers and experienced DIY users.

The product is manufactured in long lengths to support efficient installation and minimise handling on site. EARTHWOOL LOFT ROLL 44 is backed by a CCPI Verification Mark (certificate number 000600173/0627), confirming its thermal and fire performance characteristics meet UK standards. The roll format allows for straightforward unrolling and positioning between joists, with no need for specialist fixings or adhesives in most loft applications.