External Wall Insulation
External Wall Insulation
Exterior insulation systems designed to improve protection, appearance and energy performance — fitted and finished by professionals.
- EPS and mineral wool systems
- Improved thermal performance
- Modern render finish over insulation
- Suitable for solid wall properties
- Reduces heat loss & damp risk
- Free, no-obligation quotes
External Wall Insulation — hero photo
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Insulation and a fresh exterior in one
External wall insulation (EWI) wraps the outside of your property in insulation and finishes it with a clean render — so you get a warmer, more energy-efficient home and a smart new exterior in the same job.
Right for older Scottish homes
Many older Scottish properties have solid walls that are difficult to insulate internally. EWI is often the most practical way to bring them up to modern standards without losing internal space.
Properly specified, properly installed
We'll talk you through the insulation thickness, render finish and colour options so the system suits your property and your budget — and is installed to last.
EWI project — Before
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EWI project — After
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EWI detail / corner reveal
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Free, no-obligation
Get your free external wall insulation quote
Send your details, tell us what you need, and upload photos if you have them. We'll get back to you about your free, no-obligation quote.