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External Wall Insulation (EWI)

Thermal upgrade systems that cut heat loss, improve EPC ratings and finish in a full render colour range.

External Wall Insulation (EWI) across Merseyside

External Wall Insulation wraps a building in an insulation board finished in render, cutting heat loss through solid or poorly-insulated walls and improving its EPC rating without losing internal floor space. It's increasingly specified on social housing retrofit and decarbonisation programmes, as well as private refurbishment work.

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Rendered exterior finish typical of an EWI external wall insulation upgradeExternal Wall Insulation (EWI)

Systems & Finishes

  • EPS and mineral wool EWI board systems
  • Silicone and monocouche render top-coat finishes
  • Mechanical fixing and adhesive-fixed board installation
  • Detailing around openings, reveals and abutments
  • Retrofit EWI to solid-wall and non-traditional construction

Why Choose JAC for EWI

  • Detailing around windows, doors and roof lines done properly, not glossed over
  • Familiar with the standards expected on retrofit and decarbonisation-funded schemes
  • Full render colour range on top, so thermal upgrade doesn't mean a compromise on kerb appeal
  • Sequenced installation on occupied buildings with minimal disruption to residents
Coverage

EWI in your area

Related

Other services

Need EWI for a commercial or private project?

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