U Value Calculator
Colour Picker
Find an Installer
Contact Us

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

Despite having one of the widest ranges of External Wall Insulation Systems in the UK, we are proud to be actively involved in numerous Research and Development projects, that will allow us to keep at the forefront of our industry for many years to come.


New product development and testing is a very valuable investment to our company and we are always looking for innovative, cost effective alternatives to traditional EWI and render activities.

The Wetherby Epsicon 3 Through Coloured Render & Spar Dash External Wall Insulation System is covered by B.B.A. Certificate No 03/4058, onto a variety of insulants for a minimum life expectancy of 30 years.

(Included 60 Year Life Expectancy Option)

View 03/4058 – PS2 Product Sheet EPSICON 3 EPS, Phenolic & PIR

View 03/4058 – PS3 Product Sheet EPSICON 3 – Stone Wool

The Wetherby Epsicoat Thin Coat Render External Wall Insulation System is covered by B.B.A. Certificate No 15/5192, onto Stone Wool and Enhanced EPS insulation. With a minimum life expectancy of 30 years.

View 15/5192 Product Sheet EPSICOAT 1 – EPS

For Stone Wool certification, please contact Technical on 0800 107 3299.


The Wetherby Rail Fix Epsitec External Wall Insulation System is covered by B.B.A. Certificate No 09/4625 Detail Sheet 1, with a minimum life expectancy of 30 years.

Steel Frame View 09/4625 Certificate Product Sheet 1 – EPS & Phenolic

Timber Frame View 09/4625 Certificate Product Sheet 3 – EPS & Phenolic

Timber Frame View 09/4625 Certificate Product Sheet 4 – Stone Wool

Steel Frame View 09/4625 Certificate Product Sheet 5 – Stone Wool

The Wetherby Epsiwall Thin Coat Render External Wall Insulation System is covered by B.B.A. Certificate No 09/4625 Detail Sheet 2, with a minimum life expectancy of 30 years.

(Included 60 Year Life Expectancy Option)

View 09/4625 Certificate Product Sheet 2

The Wetherby Epsibrick Brick Slip External Wall Insulation System is covered by B.B.A. Certificate No 14/5137, onto a variety of insulants for a minimum life expectancy of 30 years.

View 14/5137 – EPSIBRICK-7 EPS Certificate Product Sheet 1

The Wetherby Epsibrick Brick Slip External Wall Insulation System is covered by B.B.A. Certificate No 14/5137, onto Stone Wool Insulation with no height restriction for a minimum life expectancy of 30 years.

View 14/5137 – EPSIBRICK-7 Stone Wool Certificat Product Sheet 2

The Wetherby Render Carrier Board System includes; Silicone Render, Acrylic, Stone Render and 7mm-15mm brick slip finishes. These are covered by B.B.A. Certificate No 19/5711.

View 19/5711 – Render Carrier Board Certificate Product Sheet

The Wetherby Internal Wall Insulation System is covered by B.B.A. Certificate No 19/5658, suitable for solid, cavity or masonry walls.

View 19/5658 – Internal Wall Insulation System Certificate

Wetherby Silicone, Acrylic & Mineral systems have received certification for European Technical Approval from the DIBT, Germany which is an EEC wide accepted equivalent to B.B.A. standard.

EWI System with anti-crack silicone / acrylic finish:

View ETA – 18_0229 Expanded Polystyrene

View ETA – 18_0229 Mineral Wool / Lamella

KIWA BDA Certificate for Wetherby Modular Facade Systems.

View KIWA BDA Certificate

Contact Us

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

Email