• 1 The Arc, Bury St Edmunds
    2805 Panels of 254 types, all culminating on one of the most visually stunning projects in the company's history.
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  • 2 The Arc, Bury St Edmunds
    2805 Panels of 254 types, all culminating on one of the most visually stunning projects in the company's history.
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  • 3 B & Q, Shrewsbury
    River-Therm® was specified for B&Q Shrewsbury because of the portable rolling technique that allows the sheets to be rolled directly onto the roof.
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  • 4 B & Q, Shrewsbury
    River-Therm® was specified for B&Q Shrewsbury because of the portable rolling technique that allows the sheets to be rolled directly onto the roof.
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  • 5 Prologis 360
    Work on ProLogis 360 was carried out by CA Roofing Services, bringing to the project a wealth of experience, knowledge and unparalleled energy performance.
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  • 6 Prologis 360
    Work on ProLogis 360 was carried out by CA Roofing Services, bringing to the project a wealth of experience, knowledge and unparalleled energy performance.
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  • 7 Jaguar / Land Rover
    Jaguar/ Land Rover are set to save 19 tonnes of CO2 per year thanks to the revolutionary SolarWall® Transpired Solar Collector (TSC).
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  • 8 Jaguar / Land Rover
    Jaguar/ Land Rover are set to save 19 tonnes of CO2 per year thanks to the revolutionary SolarWall® Transpired Solar Collector (TSC).
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  • 9 Sustainability
    The Sainsbury's distribution centre at Pineham was the world's first Planet Positive building and received a World Green Building Award.
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  • 10 Sustainability
    The Sainsbury's distribution centre at Pineham was the world's first Planet Positive building and received a World Green Building Award.
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Wall Solutions

CA Building Products offers a range of wall cladding solutions including Twin-Therm®, Twin-Therm® FireWall and Gemini systems.

A range of profiles are available with each system, including trapezoidal, sinusoidal and half round profiles.

Profiles are also available in a range of finishes, including Colorcoat HPS200® Ultra, Prisma® and LG from Corus, plus PVDF coatings.

Single skin applications are also available.

Please refer to the individual product sections for further information.

System Summary

Twin-Therm® is a complete built up trapezoidal wall cladding system. The unique core construction has been specifically designed to offer improved the thermal performance and enhance site operative safety during erection and maintenance.

To download the Twin-Therm® 0.35 W/m²K U-value specification for a vertical trapezoidal profile using Corus Colorcoat HPS200® Ultra with a 25 year system guarantee, please click on the file icon to the right of this page.

Alternative specifications are available with the following options:

  • 0.25 and 0.30 W/m²K U-values
  • 12, 25 or 40 year system guarantee
  • Sinusoidal and Half Round Profiles
  • Colorcoat Prisma® coating
  • Horizontally orientated

Please click here to contact our Specifications Manager for details.


System Summary

Twin-Therm® FireWall is a complete built up cladding system incorporating a unique core construction designed specifically for enhanced thermal performance. CA Building Products FireWall has achieved 240 minutes integrity &:÷ 30 minutes insulation (LPCB EXT-A30) and 240 minutes integrity &:÷ 15 minutes insulation (LPCB EXT-A15) throught testing and assements. More information can be found by clicking here. To download the Twin-Therm® FireWall 0.35 W/m²K U-value specification for a vertical trapezoidal profile using Corus Colorcoat HPS200® Ultra with a 25 year system guarantee, please click on the file icon to the right of this page.

Alternative specifications are available with the following options:

  • 0.25 and 0.30 W/m²K U-values
  • 12, 25 or 40 year system guarantee
  • Sinusoidal and Half Round Profiles
  • Colorcoat Prisma® coating
  • Horizontally orientated

Please click here to contact our Specifications Manager for details.


System Summary

Gemini is an economic built up trapezoidal wall cladding system designed for low maintenance and improved thermal performance.

To download Gemini 0.35 W/m²K U-value specification for a vertical trapezoidal profile using Corus Colorcoat® LG with a 12 year system guarantee, please click on the file icon to the right of this page.

Alternative specifications are available with the following options:

  • 12 year system guarantee
  • Sinusoidal and Half Round Profiles
  • Horizontally orientated

Please click here to contact our Specifications Manager for details.