EARTHWOOL LOFT ROLL 44 - 100mm (13.885m2) Combi Cut Glass Mineral Wool

Key features

• 100mm thickness provides effective thermal resistance for cold loft spaces
• Combi-cut format combines pre-cut sections with uncut material for flexible installation
• 13.885m² coverage per roll minimises waste and reduces installation time
• Long roll lengths allow quick, efficient laying between standard joist spacing
• Suitable for retrofit and new-build domestic loft applications
• Can be layered with existing insulation to upgrade thermal performance
• Easy to trim around pipes, cables and structural obstacles
• CCPI Verified product across the entire EARTHWOOL LOFT ROLL 44 range

Specifications

Product type

Glass mineral wool insulation roll

Nominal thickness

100mm

Coverage area

13.885m²

Format

Combi-cut (pre-cut and uncut sections)

Material composition

Glass mineral wool

Density

44 kg/m³

Fire performance

Non-combustible

CCPI Verification

Certificate 000600173/0627

Suitable for

Domestic loft insulation

Installation method

Laid between joists

Moisture resistance

Inherent water-repellent properties

Thermal conductivity

Typical λ value 0.044 W/mK

Common applications

• Upgrading insulation in existing cold loft spaces
• New-build domestic loft insulation installation
• Layering over existing loft insulation to improve thermal performance
• Retrofit insulation in properties with unrestricted loft depth
• Loft spaces with standard joist spacing (typically 400mm or 600mm centres)
• Insulation around service runs, pipes and electrical cables in lofts
• Improving thermal efficiency in older properties with minimal existing insulation
• Reducing heat loss through loft spaces in residential buildings
• DIY loft insulation projects in domestic properties
• Professional installer projects requiring flexible, pre-cut material

Search keywords

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Description

EARTHWOOL LOFT ROLL 44 is a glass mineral wool insulation roll engineered for loft spaces where thickness constraints are not a limiting factor. The 100mm nominal thickness delivers effective thermal resistance and is available in combi-cut format, which combines pre-cut widths with uncut material to suit standard joist spacing and allow trimming around obstacles. The roll covers 13.885m² and is manufactured in long lengths to maximise installation efficiency and minimise material waste on site.

The product is suitable for both new-build and retrofit loft insulation projects in domestic properties. Combi-cut format reduces the need for on-site cutting whilst retaining flexibility for non-standard widths and around service penetrations. Installation is straightforward between joists, and the material can be laid in a single layer or combined with existing insulation to meet higher thermal performance targets. EARTHWOOL LOFT ROLL 44 holds CCPI Verification across the product range.