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External Wall Insulation
Retrofit and PAS 2035

PAS 2035: Is a Publicly Available Specification which is designed to provide a clear retrofit standards framework for the installation of energy efficiency measures (EEMs). The framework has been designed to raise standards and consistency in relation to both the design and installation of these measures and to ensure that they are appropriate for the property and will perform as expected.

It works on a “whole house” approach whereby the entire property is assessed and all appropriate energy efficiency measures specified together – including:

  • Hot Water
  • Heating
  • Lighting
  • Windows & Doors
  • Insulation (including EWI of course)
  • Micro Generation & Renewable

In this section we will be building up a library of information and doccumentation relating to external wall insulation and PAS 2035

PAS 2035 2030+A1 2022 

INCA have put together a brief overview of everything you’ll need to know about it when it comes to EWI

EWI Retrofit Funding

An INCA introduction to domestic retrofit external wall insulation (EWI) funding streams.

Air Tightness & Ventilation

EWI and PAS 2035 – the requirements for air tightness testing and ventilation measures.

Ventilation for Retrofit

Download the Retrofit Accedemy Guide: PAS 2035 Ventilation for Domestic Retrofit.

Ask The INCA Technical Experts

If you have any EWI related question which has not been covered then please feel free to ask the INCA team of technical external wall insulation experts. Simply fill out the form below and submit. We aim to respond within one business day.

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