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As one of the leading EWI system manufacturers in the UK, Wetherby have a wide selection of approvals from the British Board of Agrément, The Irish Agrément Board, KIWA and European DIBT.

New product development, testing & certification is considered a valuable investment in our company. We are always looking for innovative, cost effective alternatives to traditional EWI and render activities.

So despite us currently having one of the widest ranges of Wall Insulation Systems in the UK; we pride ourselves in being continually involved in numerous research and development projects. This foresight will allow us to remain a frontrunner in our industry for years to come.

To view our range of systems, along with details of their certification and approval status, please select from one of the options below:

Steel Frame - Direct Fix - EWIS
Testing & Certification for STEEL FRAME Direct Fix External Wall Insulation Systems
Epsitec Render Carrier Board External Wall Insulation System - BBA_19_5711_PS1 - SFS - Silicone Render
Testing & Certification for STEEL FRAME  External Wall Insulation Cavity Systems
Epsitec External Wall Insulation System - BBA_09_4625_PS4 - Timber Frame - Mineral Wool - Silicone
Testing & Certification for TIMBER FRAME External Wall Insulation Cavity Systems
Heck External Wall Insulation System - ETA_18_0229 - Stone Wool - Mineral Fibre - Silicone Render
Testing & Certification for Wetherby DIRECT FIX Insulation Systems
Wetherby Internal Wall Insulation System
Testing & Certification for Wetherby INTERNAL WALL Insulation Systems
Republic of Ireland System Certifications

For technical advice or for more information on our systems & solutions, please fill out the enquiry form below.

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    Third party approval and certification is an achievement that delivers product confidence, industry satisfaction and market leadership.

    The pride, sense of accomplishment and satisfaction that comes with knowing you are working to deliver the best product to your clients that you can, creates unparalleled success in the marketplace. Being certified by an accredited third party distinguishes your product among others, and ultimately sets you up for advancement and optimal business success.

    Recognised, respected and sought after by specifiers, architects and contractors, third party approvals reassure all parties that you are an expert in your speciality; who stays on top of the latest advances and best practices, so you can deliver the safest, most efficient and highest quality product possible.

    BBA Certification Logo
    KIWA Certification Logo

    Contact Us

    For more information on systems and accreditation’s please call our Technical team on 0800 107 3299 or email below.


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