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The Thermal Insulation Cavity Batts are easy to handle and install, allowing for a close fit against brick and blockwork.  The ROCKWOOL cavity insulation is resistant against sagging or slumping over time, to deliver long term thermal performance. The Thermal Insulation Cavity Batt is a robust fire resistant and thermal insulation solution for cavities in masonry walls. 

Accreditations: 

BBA Certified for all exposure zones

CE marked

  • The ROCKWOOL Thermal Insulation Cavity Batt is BBA certified for all exposure zones – a symbol of quality and assurance.
  • The mineral wool insulation acts as a cavity barrier reducing thermal transfer.
  • Water transmission is prevented from the outer to the inner leaf.
  • A Euroclass fire rating of A1 highlights the exceptional fire performance characteristics of Thermal Insulation Cavity Batt.
  • Water repellent and vapour permeable, resisting rot and mould.
More Information
BrandRockwool
Thermal Conductivity0.037 W/mK
Coverage3.28 m2
Pack SizeEach
Fire PropertiesEuroclass A1 - Non Combustible
Width455mm
Length1200mm
Depth100mm
Area3.28m²

Rockwool 100mm Thermal Cavity Slab 100 x 455 x 1200mm - 6 Slabs per pack - 3.28m2 per pack

 
MPN Code
180898
Part Code
B33252

ROCKWOOL Thermal Insulation Cavity Batts are a semi-rigid full fill mineral wool insulation solution for application in masonry cavity wall constructions such as home extensions. This fire-resistant insulation is rated A1 non-combustible, for the best fire performance. Thermal Insulation Cavity Batts are also water repellent and vapour permeable, allowing the material to breathe without holding moisture, rotting or growing mould. 

 
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£40.39 £33.66
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Collection from our branches at Kingsfold and Billingshurst. You can choose a collection date/time at checkout.

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ROCKWOOL Thermal Insulation Cavity Batts are a semi-rigid full fill mineral wool insulation solution for application in masonry cavity wall constructions such as home extensions. This fire-resistant insulation is rated A1 non-combustible, for the best fire performance. Thermal Insulation Cavity Batts are also water repellent and vapour permeable, allowing the material to breathe without holding moisture, rotting or growing mould.