Superglass Slab 32


Superglass Slab 32 is a non-combustible glass mineral wool insulation slab. The flexible slab is supplied at 600mm width to allow easy installation between common stud/joist spacings minimising gaps at joints and reducing on-site cutting.


Superglass Slab 32 is designed to provide thermal and acoustic insulation in a wide range of timber & metal applications including:

  • Light steel framing systems (between studs only)
  • Internal walls and floors
  • Separating walls and floors
  • Timber and metal stud partitions
  • Timber frame roofs and floors


Thermal Conductivity:

Declared thermal conductivity (lambda (λ) value) of 0.032W/mK.

Fire Classification:

Deemed non-combustible with a fire classification of Euroclass A1 (the highest possible rating) when tested to BS EN 13501-1 Reaction to Fire.

Superglass Slab 32


Internal Floor
Internal Partition


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Product Features

Thermal Insulation
Thermal Insulation
Recycled Content
Recycled Content
Easy To Fit
Easy To Fit
Acoustic Insulation
Acoustic Insulation
Product Specification
Thickness (mm)Length (mm)Width (mm)Slabs per packPack Area (m²)Thermal Conductivity (W/mK)Thermal Resistance (m²K/W)Packs per palletProduct Code

NBS Specification

Click here to add this product to your NBS Specification

Thermal Conductivity

Declared thermal conductivity (lambda (λ) value) of 0.032W/mK.

Fire Classification

Deemed non-combustible with a fire classification of Euroclass A1 (the highest possible rating) when tested to BS EN 13501-1 Reaction to Fire.

Vapour Resistivity

The product has a nominal vapour resistivity of 5 MNs/gm.

Environmental credentials

  • ISO 14001 – Environmental Management Systems (EMS) certified. Certificate number: EMS 646508.
  • Contains no ozone-depleting substances or greenhouse gases. For more information, please refer to the Environmental Product Declaration (EPD).
  • Manufactured from up to 84% recycled glass.
  • Generic BRE Green Guide Rating of A+.

Standards and Approvals

Manufactured in accordance with:

  • BS EN 13162:2012(+A1:2015) Thermal insulation products for buildings – Factory made mineral wool (MW) products.
  • BS EN 13172: 2012 Thermal insulation products – Evaluation of conformity.
  • BS EN ISO 9001 – Quality Management Systems (QMS). Certificate number: FM 02264.


  • UKCA certified to BS EN 13162:2012+A1:2015. Certificate number: 0086 CPR 469699.
  • CE marked to EN 13162:2012+A1:2015. Certificate number: 0751-CPR-399.0-01.

A copy of the product Declaration of Performance (DoP) can be downloaded from the Superglass website.

Handling & Storage

Due to its physical characteristics, Superglass Slab 32 is quick and easy to handle and install.

The product is supplied compression packed in polythene to provide short term protection only. For long term protection, the product must be stored indoors, or under a waterproof covering and off the ground to protect from weather damage. The product should not be left permanently exposed to the elements.

All Superglass products are non-hygroscopic, will not rot, degrade, or sustain vermin and will not encourage the growth of mould, bacteria, or fungi.