Supply Chain Advice Pack: External Wall Insulation - installation phase
Introduction
Installing External Wall Insulation (EWI) to PAS 2035 and PAS 2030 standards involves several technical challenges, particularly achieving full thermal coverage of the walls while avoiding cold bridging, which is specific heat loss areas in the wall e.g. Lintels and resulting moisture risks. This advice pack supports installers by outlining the coordinated approach needed across assessment, design, and installation.
Published: September 2025
Contents
Welcome to the Supply Chain Advice Pack: External Wall Insulation - installation phase
This advice pack focuses on installation, where skilled workmanship and strict quality control are essential. Installers must follow PAS 2030 standards and manufacturer instructions, ensuring correct preparation, fixing, and weatherproofing. Success depends on aligning design intent, materials, and the roles of the Retrofit Designer, Retrofit Coordinator, manufacturer, installer, and client.
Download the PDF below to access this Advice Pack.
Readers that would like this document in a more accessible format should contact rise@turntown.co.uk.
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