External timber wall panels

Open Panel External Wall Panels


We offer a wide range of external wall panel combinations and insulation systems that can be tailored to a customer’s specific needs and preferred SAP compliance route.

This allows each project to be value engineered, in a balanced approach, considering performance, speed, deliverability and cost. A conventional 89mm or 140mm open panel framework with structural sheathing, site fitted insulation and vapour control layer can easily meet, current and future building regulations, related to fabric energy efficiency
performance, in a reliable and cost effective way.

Our Sigma® OP external wall solutions offer performance options that assist designers achieve Level 3-5 of the Code for Sustainable Homes, current and projected energy and carbon compliance legislation, within Building Regulations for Scotland, England and Wales, Fabric Energy Efficiency Standards and Building Regulation Section 7 Sustainability Labelling within Scotland.

Our Sigma® OP external wall solutions present a range of performance solutions
in a matrix format. This helps designers to select the most appropriate wall build
up for the project and proposed SAP compliance. We can provide further commercial and technical information to refine the most cost effective and practical option for your project.

External Wall Panel Build Ups

We have several builds ups that offer varying levels of performance and practical application to suit customer requirements.

Download our Timber Systems main brochure

Download our Timber Systems product brochure

Homes For Scotland Home Builders Federation National House-Building Council Royal Institute of British Architects Structural Timber Association Constructionline British Board of Agrement Wood Campus Build Off Site Building Research Establishment WOOD FOR GOOD

Keep up to date

Stay in touch with our latest products and project, simply sign up to our newsletter