Thermal Insulation Cavity Slab 32
ROCKWOOL® Thermal Insulation Cavity Slab 32 is a full and partial fill stone wool slab for the thermal insulation of masonry cavity walls.
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Application(s)
- External Wall
- Cavity Wall
Product description
Thermal Insulation Cavity Slab 32 is a full and partial fill insulation solution for external and party masonry walls.
Thermal Insulation Cavity Slab 32 is manufactured using NyRock® technology, a patented production process that creates a more thermally efficient fibre structure than standard ROCKWOOL stone wool and the lowest lambda stone wool insulation currently available in the UK & Ireland.1
Thermal Insulation Cavity Slab is supplied 455mm wide to fit standard vertical wall tie spacings and is available in 100mm and 150mm thicknesses.
¹ correct at time of publishing based on publicly available information
- Euroclass A1 in accordance with BS EN 13501-1 Reaction to Fire rating
- Thermal conductivity 0.032 W/mK
- BBA approved (Certificate No. 22/6335)
Areas of application
Thermal Insulation Cavity Slab 32 is suitable for use on the following construction types:
- Masonry cavity walls
- Separating walls
Download Documents

Thermal Insulation Cavity Slab 32 Datasheet
ROCKWOOL® Thermal Insulation Cavity Slab 32 is a full and partial fill stone wool slab for the thermal insulation of masonry cavity walls.

Thermal Insulation Cavity Slab 032 BBA Certificate
Certificate No. BBA-22-6335-Cavity Wall Insulation Partial Fill Application

Thermal Insulation Cavity Slab 032 BBA Certificate
Certificate No. BBA-22-6335-Cavity Wall Insulation Full Fill Application

ROCKWOOL Stone Wool BSI Kitemark Certificate
Certificate No. km06661-bs-en-13162-2012-a1-2015

Thermal Insulation Cavity Slab 32 Installation Guide
Installation guidelines for ROCKWOOL Thermal Insulation Cavity Slab 32
Product properties
Name | Value | Test standard | Symbol | Unit |
---|---|---|---|---|
Declared thermal conductivity | 0.032 | EN 12667 | λD | W/mK |
Reaction to Fire | A1 | EN 13501-1 | Euroclass | |
Long term water absorption | WL(P) | EN 12087 | WL(P) | kg/m² |
Short term water absorption | WS | EN 1609 | WS | kg/m² |
Product standard | EN 13162:2012+A1:2015 | |||
CE certificate number | 0751-CPR-393.0-01 | |||
Declaration of Performance (DoP) number | RWUK-CE-0256-01 | |||
BBA certificate number | 22/6335 |
Product variants
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