Superglass Multi Roll 44 Insulation 100mm – 12.12m2

Superglass Multi Roll 44 Insulation 100mm – 12.12m2 is a high-performance, lightweight glass mineral wool loft roll designed for thermal insulation in new and existing lofts, cold roofs, and suspended timber ground floors. Manufactured by one of the UK’s leading mineral wool producers, it delivers a thermal conductivity of just 0.044 W/mK and an R-value of 2.25 m²K/W — making it a reliable choice for both trade professionals and DIY installers looking to reduce heat loss and cut energy bills.

Key Features and Specifications

• Material: Non-combustible glass mineral wool
• Thickness: 100mm
• Roll dimensions: 10.10m (L) × 1200mm (W) — splits to 2×600mm or 3×400mm
• Coverage per roll: 12.12m²
• Thermal conductivity (λ): 0.044 W/mK
• R-value: 2.25 m²K/W
• Fire classification: Euroclass A1 — highest rating, tested to BS EN 13501-1:2018
• Recycled content: Up to 84% recycled glass
• Vapour resistivity: 5 MNs/gm (negligible — allows vapour to pass freely)
• Pre-perforated: Splits to standard joist spacings for minimal on-site cutting and waste
• Standards: UKCA & CE marked to BS EN 13162:2012+A1:2015; ISO 9001:2015; ISO 14001:2015
• Additional certifications: CCPI Assessment Mark; EUCEB certified; BRE Green Guide Rating A+
• Packaging: Compression-packed in polythene for transport; store indoors or under waterproof cover

Applications

• Loft insulation — between and over timber joists in new builds and retrofit projects
• Cold pitched roof insulation
• Suspended timber ground floor insulation
• General thermal and acoustic insulation in residential and light commercial buildings

Why Choose This Product

The Superglass Multi Roll 44 100mm combines proven thermal performance with genuine ease of installation. Its pre-perforated design fits standard 400mm and 600mm joist spacings without the need for specialist tools, reducing labour time and material waste on site. Rated Euroclass A1 non-combustible — the highest possible fire safety classification — it meets current UK Building Regulations for loft insulation. With up to 84% recycled glass content, a BRE Green Guide A+ rating, and ISO 14001 environmental accreditation, it is a responsible choice for contractors and homeowners committed to sustainable building. Non-hygroscopic and resistant to rot, mould, and vermin, it maintains its performance over the long term with no degradation.

Delivery in and Around London

We deliver the Superglass Multi Roll 44 Insulation 100mm – 12.12m2 across London and the surrounding region, including inner boroughs such as Croydon, Lewisham, Southwark, Camden, and Hackney, as well as Greater London areas including Enfield, Bexley, Redbridge, and Barnet. We also supply to the surrounding counties of Kent, Essex, Surrey, and Hertfordshire. Trade quantities and bulk orders are welcome — contact us for volume pricing and scheduled delivery slots.