Timber Frame Slab
Timber Frame Slab is non-combustible thermal insulation made from stone wool, designed for use within timber frame constructions.
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Application(s)
- External Wall
- Timber Frame
- ETICS / EWI
Product description
ROCKWOOL® Timber Frame Slab is a semi-rigid insulation designed specifically for use between the studwork of external timber frame walls. Manufactured using ROCKWOOL stone wool, Timber Frame Slab is non-combustible and an effective thermal insulator.
The 570mm slab width is tailored for installation into 600mm frames and can be fitted tightly between studs. This reduces the need for cutting, minimises waste and speeds up installation.
- Euroclass A1 in accordance with BS EN 13501-1 Reaction to Fire rating
- Thermal conductivity 0.034 W/mK
- CE marked in accordance with EN 13162:2012+A1:2015

Timber Frame Slab Datasheet
Timber Frame Slab is non-combustible thermal insulation made from stone wool, designed for use within timber frame constructions.

SUIS ROCKWOOL UK
Safe use instruction sheet ROCKWOOL stone wool insulation products

Timber Frame Slab Installation Guide
Installation guidelines for Timber Frame Slab

Republic of Ireland Price List
Price List March 2025

UK Price List
Price List March 2025
Hands-on fire-stopping training
ROCKWOOL’s specially created expert led one-day course in fire stopping theory and practical installation practice for industry professionals.
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Special remarks
Fire safety and acoustic performance was the most important consideration for me, in addition, I was also looking for a solution that could assist in minimising any noise for Tilly’s acute sensory hearing disability needs. Marianne, Homeowner and Self-Builder on Amazing Spaces







