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Superior Product Quality

Experience the best in SWI products.

Flexible Partnership

Adapting to your needs at every stage.

Industry Leadership

40+ years in the EWI industry

  • Search
  • Email
Superior Product Quality

Experience the best in SWI products.

Flexible Partnership

Adapting to your needs at every stage.

Industry Leadership

40+ years in the EWI industry

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A1 Steel Frame Stone Wool Brick Slip System

Our Direct Fix Steel Frame System was developed to allow installation of A-rated ROCKWOOL Wall Systems on a sheathed steel frame substrate. The direct fix application allows the system to be directly mechanically fixed with adhesive (where required), removing the need for a cavity and the cavity fire-stopping behind the A1 Stone Wool insulation. Suitable for a variety of project types, including schools, student accommodation, and high-rise reclad projects, the system has proven incredibly popular since its launch in 2022.

This system offers a cost-effective alternative to traditional brick façades, with an A1 fire rating to BS EN 13501-1 when paired with ROCKWOOL Stone Wool insulation; it ensures energy efficiency, non-combustibility, and superior soundproofing.

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Colour Availability

Our clay brick slips offer the look of real brick without the high costs and lengthy installation times of traditional brick builds, available in 7mm, 9mm, or 15mm.

Below is a small sample of available colours.

More examples can be found in our Clay Brick Slip System Brochure below.

7mm Colour Options

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2421rs – Anoreta
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2459hl – Laguna
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2426 – Parador
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2404 – Almenara
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2421 – Estepona* Min Order 700m2
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2420sw – Coruna* Min Order 700m2

9mm Colour Options

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100 – White Smooth* Min Order 1000m2
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220 – Terracotta Smooth* Min Order 1000m2
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228 – Golborne* Min Order 1000m2
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286 – Weathered Buff* Min Order 1000m2
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287 – Canela* Min Order 1000m2

15mm Colour Options

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7404L – Almenara
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63413g – Merida Grey
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7426 – Parador
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7425n – Terramar
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7421rs – Anoreta
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7427 – Penina

Pointing Mortar Colour Options

Our pointing mortars are available in a selection of complementary colours. Below is a selection of available colours. Download our brick slip brochure to review the full colour range.

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Sandstone Brick Slip
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Natural Pointing Mortar
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Dark Grey Pointing Mortar
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Dark Brown Pointing Mortar
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Buff Pointing Mortar
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Black Pointing Mortar
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Steel Frame Systems Brochure

Download Our Steel Frame Systems Brochure

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Components of the Stone Wool Brick Slip System

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Benefits of our Stone Wool Brick Slip System

The Stone Wool Brick Slip System is a revolutionary solution, designed to elevate your projects. This advanced insulation system provides many benefits going beyond traditional methods, offering unmatched performance, sustainability, and cost-effectiveness.

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Available in a Variety of Colours

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Durable and Long Lasting

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Available in a Variety Thicknesses

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Impact Resistant

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A1 Fire Rating

Technical Information

Specifying an External Wall Insulation system that is suitable for your project can be a challenging practice. Our technical team are on hand to provide detailed job specific specifications and any technical assistance you may require.

  • Fire Classification
  • Design Life
  • Impact Resistance
  • Hygrothermal / Freeze / Thaw Testing
  • Sheathing Board
  • Stone Wool Thermal Values Conductivity
  • Lambda value
  • Thicknesses Available
  • Finish Options
  • A1 to EN 13501-1
  • 30 years
  • Category I
  • Pass
  • Fibre Cement Board (BS EN 12467)
    CPB (BS EN 12467 / BS EN 634-2)
    Ply (BS EN 313-1)
    OSB (BS EN 300)
  • 0.036 W/(m²k)
  • 50mm+ = 0.036
    30-40mm = 0.038
  • 30mm – 250mm
  • Available in a variety of colours and thicknesses

The information contained within this website is intended for general guidance only. To obtain the most accurate and up-to-date design solutions tailored to your specific needs, please contact the team directly.

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Typical U-Values

ROCKWOOL Stone Wool insulation offers a 0.036 W/(mK) K value, requiring just 100mm thickness to meet UK refurbishment property U-value standards in the majority of cases.

Technical Data

Technical Drawing Set

Our technical drawings are currently being updated. To request the latest version contact; Technical Helpline 0194 2717100 or technical.ws-uk@rockwool.com

Operations & Maintenance Manual - High-Rise

Operations & Maintenance Manual - Low Rise

KIWA Certification BAW-21-201-S-A-UK

Specification with NBS

Product Information

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At the core of our Stone Wool Silicone Render system is ROCKWOOL insulation, delivering outstanding thermal performance, unparalleled breathability, and superior acoustic properties compared with other insulants on the market. Stone Wool is classified as A1 non-combustible as an individual product.

  • Outstanding thermal and acoustic properties
  • Non combustible
  • Easily cut and shaped
  • Can be installed to flat & curved surfaces
  • Open cell structure allows the façade to breath
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ROCKWOOL Wall Systems Brick Slip Systems stand out as a game-changer, particularly where real brick use is unfeasible or impractical. The brick slips are manufactured in the same way as real brick, providing an identical finish and attaining A1 properties. Brick slip ‘pistol’ corners are manufactured as corners, with no visible joints, ensuring a real brick appearance across a façade.

  • Professional-grade, authentic brick finish
  • Enhanced precision and alignment
  • Exceptional impact resistance & adhesion properties
  • A1 fire rated

Case Studies

Discover real-world examples where challenges were met with innovative solutions, and obstacles transformed into opportunities.

HMS

Sheriffs Gate, Phase 1, Worcester

Read More
HMS

Premier Inn, St Helier

Read More
HMS

County Flats, Aberavon

Read More
HMS

Fitzwilliam Street Student Accommodation

Read More

Contact the Team at ROCKWOOL Wall Systems

We understand that embarking on a construction project is a significant endeavor, and we’re here to support you every step of the way.

If you have any inquiries, require additional information, or would like to discuss your specific project needs, please don’t hesitate to reach out. Our dedicated team of experts is ready to listen, collaborate, and provide tailored solutions.

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