U Value Calculator
Colour Picker
Find an Installer
Contact Us
Call icon 01942 717 100
  • 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

Clos Barbier, Guernsey

SIP units being installed with Wetherby enhanced EPS insulation onto timber battens and a White Silicone K finish.

    Please fill out the form below, your download will automatically start. Your download will also be available via email in case it doesn't automatically start.