A high-performance, black tissue-faced stone wool insulation board providing a seamless, dark visual aesthetic for architectural shadow gaps and open-grid ceilings.




Soffitclad® Black Tissue is a non-combustible stone wool insulation board designed with a sleek black tissue facing for use within architectural soffits, open-jointed layouts, and open-grid ceiling applications. Manufactured from volcanic basalt rock, it provides reliable thermal insulation, fire resistance, and acoustic absorption within exposed ceiling zones and design-focused spaces. The durable black tissue facing serves as an elegant visual camouflage, making the insulation layer virtually invisible behind open architectural profiles and shadow gaps. With a structural nominal density of 100 kg/m³ and a declared thermal conductivity of λ = 0.0364 W/mK, Soffitclad Black Tissue delivers high-performance thermal protection along with exceptional acoustic performance. Built around a premium Euroclass A1 non-combustible stone wool core, it ensures maximum safety compliance for modern high-end commercial and multi-story residential structures.
SOFFITCLAD®Black Tissue is specified across Soffit Applications constructions. Typical application areas include:
Datasheets, Declarations of Performance, BIM files and certificates for SOFFITCLAD®Black Tissue are available on request from our technical team.
Contact technical team| Name | Value | Unit |
|---|---|---|
| Reaction to fire (Euroclass) | A1 — non-combustible | — |
| Classification standard | BS EN 13501-1 | — |
| Nominal density | 100 | kg/m³ |
| Declared thermal conductivity (λD) | 0.0364 | W/mK |
| Thickness range | 130–160 | mm |
Full property schedule (water absorption, vapour resistance, compressive strength, dimensional stability) available on request.
| Product code | Thickness (mm) | Width (mm) | Length (mm) | Pieces / pallet (pcs) | m² / pallet (m²) |
|---|---|---|---|---|---|
| TWSB100130 | 130 | 600 | 1200 | 20 | 21.6 |
| TWSB100160 | 160 | 600 | 1200 | 16 | 17.28 |
Project references and case studies featuring SOFFITCLAD®Black Tissue are available on request.
Contact technical teamOur technical team can help you specify SOFFITCLAD®Black Tissue for your project.
Phone: 020 3949 8826
Email: [email protected]
Locate your nearest Thermawool stockist or distributor for availability and lead times across the UK.
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1 Bedlam Mews, London, SE11 6DF
Warehouse
Unit 1, Mirravale Estate, Dagenham, RM8 1YY