
The National Self Build & Renovation Centre is the UK’s only permanent venue for independent homebuilding advice & support. Established in 2007 the NSBRC have helped over a quarter of a million visitors create better, sustainable homes or extend and improve their existing property.
This page is to convince you to consider incorporating external wall insulation (EWI) ito your project and to link you with an INCA member company who can help you.
INCA EWI Directory – Find An INCA Member
INCA members are there to support you every step of the way. If you’re in early planning stages we suggest you start with a system designer member who will help and advise you with your specification (without cost) and then connect you with an istaller who can carry out the work. If you are ready to contract outthe work then search for a small works installer near to you and if you have a specific question relating to a componant then contact the appropriate associate member.
An Introduction To External Wall Insulation
EWI – Useful Info
External Wall Insulation – More Info
Why Choose INCA
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What Is EWI
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Links to further information published on the INCA website:
- Homeowners Guide To EWI >
- Introduction To EWI >
- Benefits Of EWI >
- Suitability Of EWI >
- EWI – Specifying Insulation >
- EWI And Fire Regulations >
- EWI Installation Guide >
- External Wall Insulation Finishes >
- EWI – Frequently Asked Questions >
- Air Tightness And Ventilation >
- Ventilation For Retrofit – Retrofit Academy Guide >
The Benefits Of External Wall Insulation
Improve Thermal Performance
Reduce
Outside Noise
Reduce Damp & Condensation
Protect
Existing Fabric
Minimise Thermal Bridging
Transform Property Appearance
Lower Energy & Reduced Bills
Add Value To Your Property
Improve Thermal Comfort
Reduce Your Carbon Footprint
INCA EWI Guidance Documents




As the recognised trade association for the UK external wall insulation industry INCA regularly publishes technical and best practice guidance documentation which can be freely downloaded in PDF format.
All current documentation is available via the Technical Guidance section of the Knowledge Hub.
INCA EWI – Regulatory Documentation
Building Regs
Part L
PAS 2030:2023
PAS 2035:2023
Ask INCA
If you have a technical question relating to external wall insulation and you’re unable to find the answer on our website then please feel free to contact us and we will consult with our technical team and respond accordingly. Simply complete and submit the form below or email us directly: info@inca-ltd.org.uk.
