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ROOFCLAD®No Facing
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ROOFCLAD®No Facing

Roof Insulation

A high-performance, non-combustible A1 stone wool insulation board designed for flat roofs and parapets, offering a raw, unfaced profile ideal for mechanically fixed systems.

150
Nominal density
0.039
W/mK conductivity
120–170
Thickness range (mm)
A1 Fire Rated — Euroclass A1 Non-Combustible
BBABDA AgrémentKiwa

Product description

Roofclad® No Faced is an unfaced, non-combustible stone wool insulation board designed for use within flat roof and parapet constructions, perfectly suited for mechanically fixed configurations or multi-layer warm roof installations. Manufactured from volcanic basalt rock, Roofclad No Faced provides reliable thermal insulation, fire resistance and acoustic absorption within modern roof assemblies.

Euroclass A1 (non-combustible) in accordance with BS EN 13501-1 reaction to fire
Declared thermal conductivity 0.039 W/mK
Nominal density 150 kg/m³

Application

ROOFCLAD®No Facing is specified across Roof Insulation constructions. Typical application areas include:

Mechanically fixed or ballasted flat roof insulation systems and parapet constructions
Standard single-ply warm roof assemblies, steel deck configurations, and concrete deck layouts
Multi-layer roof build-ups serving as a robust high-density base or intermediate insulation layer
Unenclosed core parapet wall insulation profiles and hidden geometric structural roof configurations
Roof build-ups requiring raw, high-density, and completely unfaced non-combustible stone wool structures
New-build installations and standard roof refurbishment projects utilizing mechanical fastening networks
Buildings of any height requiring raw, unfaced Euroclass A1 non-combustible structural roof insulation boards

Documentation

Datasheets, Declarations of Performance, BIM files and certificates for ROOFCLAD®No Facing are available on request from our technical team.

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Product properties

NameValueUnit
Reaction to fire (Euroclass)A1 — non-combustible
Classification standardBS EN 13501-1
Nominal density150kg/m³
Declared thermal conductivity (λD)0.039W/mK
Thickness range120–170mm

Full property schedule (water absorption, vapour resistance, compressive strength, dimensional stability) available on request.

Product variants

Product codeThickness (mm)Width (mm)Length (mm)Pieces / pallet (pcs)m² / pallet (m²)
TWRP150120 120 6001200 16 11.52
TWRP150150 150 6001200 16 8.64
TWRP150170 170 6001200 20 14.4

Case study

Project references and case studies featuring ROOFCLAD®No Facing are available on request.

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Speak to an expert

Our technical team can help you specify ROOFCLAD®No Facing for your project.

Phone: 020 3949 8826
Email: [email protected]

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Find a stockist

Locate your nearest Thermawool stockist or distributor for availability and lead times across the UK.

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Our locations

Head Office
1 Bedlam Mews, London, SE11 6DF

Warehouse
Unit 1, Mirravale Estate, Dagenham, RM8 1YY

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Specifying ROOFCLAD®No Facing on your project? Our technical team is here to help.