Supply Chain Advice Pack: Internal Wall Insulation - maintenance, repairs and warranties
Introduction
The maintenance and repair of Internal Wall Insulation (IWI) installed under PAS 2035 and PAS 2030 involves several interrelated responsibilities shared between the Retrofit Installer, Retrofit Coordinator, the system manufacturer, the client and the resident. The responsibilities are defined by the PAS standards and by maintenance repairing and warranty obligations arising from system manufacturer warranties and industry guidance.
Published: November 2025
Contents
Welcome to the Supply Chain Advice Pack: Internal Wall Insulation - maintenance, repairs and warranties
This advice pack will outline the key considerations when considering the maintenance and repair of installed IWI systems. This pack is the third part of an Internal Wall Insulation series. The other packs can be found here.
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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