At Thermal Foil, we offer market-leading foil insulation that combines thermal efficiency, vapour control, and space-saving design. All our products are certified, mortgage-safe, and ideal for retrofitting residential roofs from the interior.
At Thermal Foil, we supply market-leading foil insulation that blends outstanding thermal efficiency, built-in vapour control, and a slim, space-saving profile. Every product is fully certified, mortgage-safe, and ideal for retrofitting residential roofs from inside the property
Ready to slash energy costs? Choose ThermaFoil—contact us today to discuss your project and get started.
Ready to slash energy costs? Choose ThermaFoil—contact us today to discuss your project and get started.
Thermal Foil is a high-performance foil insulation system made up of 19 thermally efficient layers. It acts as both an insulator and vapour control layer, helping to improve your property's energy efficiency, reduce bills, and maintain indoor comfort throughout the year.
Yes. Unlike spray foam, Thermal Foil is fully mortgage-friendly, doesn’t trap moisture, and won’t void your property’s resale or equity release potential. It is installed internally with no mess, no harmful chemicals, and no structural risks.
Thermal Foil is installed internally from inside the loft or roof space. It’s a clean, non-intrusive process that does not require removing roof tiles. Our trained team installs it efficiently, often completing jobs in just 1 day depending on the size of the property.
Yes. Thermal Foil can contribute to boosting your home’s EPC rating, which may increase property value and appeal to buyers or mortgage lenders. We offer an EPC calculator on our site to give you an estimate based on your property details.
Absolutely. By reducing heat loss through your roof, Thermal Foil helps your home stay warmer in winter and cooler in summer — which means less energy used and lower bills.
Yes. Thermal Foil contains no harmful fibres or irritants and can be handled without PPE. It’s safe for both installers and residents and manufactured to UK standards.
While the product is user-friendly, we recommend professional installation to guarantee performance, correct sealing, and compliance with building standards. We handle both manufacturing and installation in-house to ensure quality control.
Thermal Foil installation ranges from £50–£100 per m², depending on property size, access, and roof structure. We offer a £99 home survey, which is deductible from the final quote. Book your independent survey today to receive a tailored price.
No. When installed with ThermaSeal Foil Joining Tape, Thermal Foil creates an effective vapour control layer that actually helps prevent condensation and moisture build-up.
Yes. Thermal Foil is suitable for detached homes, semis, bungalows, flats, and more. It’s especially effective for retrofits and homes where spray foam has been removed or isn’t suitable.
