Soffit Slab
Soffit Slab is a fire-resistant thermal insulation solution designed for concrete soffits.
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Application(s)
- Floors & Ceilings
- Soffits
- Fire Protection
- Structural Fire Protection
Areas of application
Soffit Slab is suitable for use on the following construction types:
- Concrete soffits
Documentation
Please select and download the documentation pertaining to this product. If you require any certification that is not listed here, please contact us via ukdocumentation@rockwool.com

Soffit Slab Datasheet
Soffit Slab is a fire-resistant thermal insulation solution designed for concrete soffits.

Soffit Slab Installation Guide
Installation guideline for ROCKWOOL Soffit Slab

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

Republic of Ireland (ROI) Price List
Republic of Ireland Price List July 2026

UK Price List July 2026
UK Price List July 2026
Product properties
| Name | Value | Unit |
|---|---|---|
| Declared thermal conductivity | 0.034 | W/mK |
| Reaction to Fire | A1 | Euroclass |
| Product standard | EN 13162:2012+A1:2015 | |
| CE certificate number | 0751-CPR-393.0-01 | |
| Declaration of Performance (DoP) number | UK-WER-0043-02 | |
| Facing type, side 1 | No Facing Alu Foil Glass Tissue (black, Neutral, White) |
Product variants
ROCKWOOL stone wool provides fire resilience for Livingston shopping centre case study
Uncover the strategic use of Soffit Slab, BeamClad®, and Rockpanel Woods in mahogany, cherry, and merbau shades, creating a sustainable and visually stunning 70,000-square-foot development.
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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