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WALLCLAD® 140 kg/m³ stone wool insulation board

WALLCLAD+®140 kg/m³

External Wall Insulation (EWI)

A premium, high-density non-combustible A1 stone wool insulation board with a 140 kg/m³ density, optimized for structurally bonded brick slip systems and high-impact façade constructions.

140
Nominal density
0.0364
W/mK conductivity
30–200
Thickness range (mm)
A1 Fire Rated — Euroclass A1 Non-Combustible
BBABDA AgrémentKiwa

Product description

Wallclad® 140 is a high-density, non-combustible stone wool insulation board designed for heavy-duty external wall insulation systems (EWI) and heavy façade constructions. Manufactured from volcanic basalt rock, Wallclad 140 provides reliable thermal insulation, fire resistance, and superior acoustic absorption where the building envelope demands enhanced mechanical strength and impact resistance.

Euroclass A1 (non-combustible) in accordance with BS EN 13501-1 reaction to fire
Declared thermal conductivity 0.0364 W/mK
Nominal density 140 kg/m³

Engineered as a high-density board for rendered external wall insulation (EWI) and direct-bonded façades — including brick slip and heavy masonry finishes. For project-specific densities or thicknesses, talk to our technical team.

Application

WALLCLAD+®140 kg/m³ is specified across External Wall Insulation (EWI) constructions. Typical application areas include:

Heavy-duty rendered external wall insulation systems (EWI) demanding premium impact resistance
Structurally bonded brick slip systems, realistic facing slips, and heavy masonry finishes
High-load adhesive-fixed façade cladding configurations, stone tiles, and large-format ceramic panels
High-exposure drained, unventilated, or ventilated façade constructions subject to elevated wind loads
High-traffic ground floor structural envelopes, public pathways, and heavy-use facade refurbishments
Buildings of any height requiring an ultra-dense, 140 kg/m³ maximum structural load-bearing wall substrate

Documentation

Datasheets, Declarations of Performance, BIM files and certificates for WALLCLAD+®140 kg/m³ 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 density140kg/m³
Declared thermal conductivity (λD)0.0364W/mK
Thickness range30–200mm

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)
TWE140030 30 6001200 48 34.56
TWE140040 40 6001200 48 34.56
TWE140050 50 6001200 40 28.8
TWE140060 60 6001200 32 23.04
TWE140070 70 6001200 30 21.6
TWE140080 80 6001200 24 17.28
TWE140090 90 6001200 36 17.28
TWE140100 100 6001200 30 14.4
TWE140110 110 6001200 20 14.4
TWE140120 120 6001200 16 11.52
TWE140130 130 6001200 20 11.52
TWE140140 140 6001200 16 8.64
TWE140150 150 6001200 16 8.64
TWE140160 160 6001200 16 8.64
TWE140170 170 6001200 20 5.76
TWE140180 180 6001200 16 5.76
TWE140190 190 6001200 16 5.76
TWE140200 200 6001200 12 2.88

Case study

Project references and case studies featuring WALLCLAD+®140 kg/m³ are available on request.

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Speak to an expert

Our technical team can help you specify WALLCLAD+®140 kg/m³ for your project.

Phone: 020 3949 8826
Email: [email protected]

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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 WALLCLAD+®140 kg/m³ on your project? Our technical team is here to help.