90mm Superglass Timber & Rafter Roll 40
Product Code:
Thermal Conductivity:
0.040 W/mK
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Superglass Timber & Rafter Roll 40 is a medium density, non-combustible glass mineral wool insulation roll. The flexible roll is cut at 2x570mm widths to allow easy installation between common stud spacings and minimum on-site cutting and waste.

Key points :

- Provides excellent thermal performance.
- Euroclass A1 non-combustible.
- Made from up to 84% recycled glass.
- Zero Ozone Depletion Potential (ODP) and Global Warming Potential (GWP).
- BRE Green Guide Rating of A+ and ISO 14001 accredited.
- Simple installation process. Friction fit between timber studs at 600mm centres.
- All Superglass products are non-hygroscopic, will not rot, degrade or sustain vermin and will not encourage the growth of mould, bacteria or fungi.

Specification :

Thickness: 90mm
Width: 1200mm (2x570)
Length: 10.65 m
Pack Coverage: 12.14 m²
Thermal Conductivity:  0.040 W/mK
R-Value: 2.25 m²K/W
Fire Rating: A1 tested to BS EN 13501-1


Superglass Timber & Rafter Roll 40 is designed to provide thermal and acoustic insulation for timber frame roofs, walls and floors. The rolls are self-supporting by friction fitting between timber studs/joists.


ISO9001 - Quality Management Systems
ISO14001 - Environmental Management
EN 13162 - Manufactured in accordance with
A+ rating on BRE Green Guide

Datasheets & Documents.
If you require a Safety datasheet (SDS) for this product please get in touch.
If you require a BBA Certificate for this product please get in touch.