Superwall 32 Cavity Wall Batt

Superwall 32 Cavity Wall Batt

Superwall 32 Cavity Wall Batt


Superglass Superwall 32 is a British Board of Agrément (BBA) approved, non-combustible and water repellent glass mineral wool insulation cavity wall batt. The flexible batt is supplied at 455mm wide to allow easy installation between standard vertical wall tie spacings and minimum on-site cutting and waste.


Superglass Superwall 32 is designed to provide thermal insulation in full-fill or partial-fill external masonry cavity walls, up to 25m in height for full-fill and with no height restriction in partial-fill (additional requirements apply for buildings above 12 metres in height for full fill and above 25 metres in height for partial fill). Superwall 32 is BBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate and NHBC Standards).


Key Benefits

  • Thermal Performance
    Thermal Performance
    – Provides excellent thermal performance with a thermal conductivity of 0.032W/mK.
  • Thermal Performance
    Thermal Performance
    – Approved for use in all UK exposure zones.
  • Fire Performance
    Fire Performance
    – Classified as A1 non-combustible (the highest possible rating).
  • Recycled Content
    Recycled Content
    – Manufactured from up to 84% recycled glass.
  • Environmental
    – BRE Green Guide Rating of A+ and ISO 14001 accredited.
  • Easy To Fit
    Easy To Fit
    – Simple installation between standard wall tie spacings.
Product Dimensions and Information
Thickness (mm) Length (mm) Width (mm) Batts per pack Pack Area (m²) R-Value (m²K/W) Packs per pallet Code
75 1200 455 8 4.37 2.30 30 5840C1
85 1200 455 8 4.37 2.65 30 5841C1
100 1200 455 6 3.28 3.10 30 5842C1
125 1200 455 4 2.18 3.90 30 5846C1
150 1200 455 5 2.73 4.35 20 5864

Thermal Performance

Thermal conductivity of 0.032W/mK.

Fire Performance

All Superglass products are deemed non-combustible and have a fire classification of A1 – the highest possible rating when tested to BS EN 13501-1 Reaction to Fire.


  • Manufactured in accordance with ISO 14001:2015 – Environmental Management Systems.
  • Zero Ozone Depletion Potential & zero Global Warming Potential.
  • CFC & HCFC free.
  • Generic BRE Green Guide Rating of A+.

Recycled Content

Manufactured from up to 84% recycled glass which would otherwise go to landfill.


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.
  • ISO 9001:2008 – Quality Management Systems (QMS).

Handling & Storage

Supplied compression packed in polythene to provide short term protection. For long term protection, the product must be stored indoors or under a waterproof covering in order to protect against weather damage. Should not be left permanently exposed to the elements.