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Earthwool® Loft Rolls are non-combustible, Glass Mineral Wool rolls, manufactured using ECOSE® Technology, and designed specifically for use in cold lofts where pitched roofs are insulated at ceiling level.

The product provides a thermal conductivity of 0.040 W/mK.

Combi-cut products have partially cut perforations, providing the flexibility to be used between joists at either 400 or 600 mm centres, or used unsplit as a full-width roll.

Features and benefits:

  • Good thermal performance.
  • Non-combustible A1 Euroclass Reaction to Fire classification
  • Combi-cut products are supplied partially perforated.
  • Lightweight quilt for ease of installation.

Available as partially cut rolls for use with:

  • Timber joists at 400 mm centres.
  • Timber joists at 600 mm centres.
  • Timber joists at 600 mm centres.
  • Unsplit as a full width roll.

General information
Specification data
Product Reference

Earthwool® Loft Roll 40


100 mm

150 mm

200 mm

Roll width

380 mm

Three required to make up 1140 mm for 400 mm centres.

570 mm

Two required to make up 1140 mm for 600 mm centres.

Standard product features

Thermal conductivity:

0.040 W/mK.

Fire performance:

Euroclass A1 to BS EN 13501-1.


A+ generic BRE Green Guide rating.