Warehouses, factories, stadiums, hospitals and farms — ThermoFoam is the dedicated commercial spray foam insulation specialist, delivering Enverge systems specified, installed and warrantied by one expert team.
Trusted on projects for
Named UK projects delivered
Product warranty
Years' specialist experience
Nationwide coverage
Unlike pre-manufactured boards and rolls, spray foam is manufactured in-situ and bonds directly to the substrate as it cures — sealing every gap, fixing to corrugated, concrete, metal and asbestos surfaces, and taking up far less space.
From a cold, condensation-prone roof to a sealed, insulated, anti-condensation finish in a single application.
Before
After · ThermoFoam
One material, applied to the trickiest substrates for airtight thermal performance that lasts.
Closed-cell Nexseal LE for distribution centres and industrial units — fast install, minimal downtime.
Learn more →Non-licensed, manufacturer-certified encapsulation that locks down fibres and stops condensation in one pass.
Learn more →Eliminate cold-bridging and condensation on car-park and podium soffits — as at Derriford & The Box.
Learn more →Anti-condensation insulation for barns, grain stores and livestock sheds on cement-fibre or metal.
Learn more →Stop drip and corrosion on metal and asbestos roofs — the most cost-effective fix on the market.
Learn more →Humidity and heat-loss control for pool halls and leisure buildings — as at Newport Leisure Centre.
Learn more →Spray foam is all we do — so we cover every application:
ThermoFoam delivered a low-odour spray foam installation inside a live healthcare environment — controlling condensation and improving thermal performance with minimal disruption to a working hospital.
Real buildings, real clients, real results — the depth of project evidence that sets ThermoFoam apart.
Spray foam insulation for a busy public-sector building in Plymouth.
Closed-cell spray foam across a large warehouse-style events venue.
Concrete drying-chamber insulation for a temperature-critical manufacturing process.
Pool-hall insulation controlling humidity and heat loss in a public building.
Spray foam insulation for a Cornwall hospitality and leisure venue.
Concrete soffit spray foam eliminating cold-bridging and condensation.
We don't claim to do everything — we lead in the sectors where our project track record is unmatched.
Hospitals, NHS centres and leisure — low-odour, fire-compliant, minimal disruption.
Creameries, farms and processing — hygienic closed-cell, condensation control.
Colleges, sports halls and pools — large-span roofs, fast turnaround.
Warehouses, studios and specialist structures where foam is the only practical fix.
Bad spray foam makes headlines. Ours is correctly specified for your substrate, and handed over with the documentation surveyors, lenders and warranty providers expect.
RAMS, product data sheets, depth/coverage records and a complete project handover pack for every installation.
Enverge Nexseal LE & Sucraseal are independently tested and certified to BS EN 14315-1 for use.
Manufacturer-backed warranty on every system, with the paperwork to support sale, survey or refinance.
We assess dew-point and condensation risk up front so the system is right for the building — not just sprayed on.
Installed only by ThermoFoam-approved contractors, trained and supported on the Enverge systems.
Clear records that answer the questions surveyors and lenders ask — so spray foam is an asset, not a question mark.
Tell us about your building and project.
We design the right system for your substrate.
A clear, fixed budget — no surprises.
Approved applicators, clean and fast on site.
Backed by a 25-year product warranty.
Low-exothermic, high-lift closed-cell foam. Exceptional thermal performance, improves structural integrity, manufacturer-certified (Agrément 09/4610), HFO blowing agent. Ideal for warehouses, soffits and asbestos encapsulation.
Durability & warranty →Breathable, vapour-open open-cell foam for internal walls, ceilings and acoustic. λ 0.039 W/m·K, BS476 Part 7 Class 1 (uncoated), ICC AC377 Appendix X.
Technical specification →
ThermoFoam is the dedicated spray foam insulation brand of the Duratite Group — alongside Duratite Building Products (specialist supply) and Duratite Projects (supply & install). Every project is backed by the technical depth, manufacturer-certified product supply and manufacturer-backed warranties of the wider group.
"Professional from survey to sign-off. The team worked around our live operation with zero disruption and the finish is excellent."
"They specified exactly the right system for our roof and delivered on time. The condensation problem we'd had for years is gone."
"Genuinely knowledgeable about compliance and fire ratings — exactly what we needed for a public building."
From our Cornwall base we deliver projects across the whole of the UK and Ireland through our team and network of approved applicators — with unmatched experience across the South West.
We supply our Enverge spray foams to approved contractors across the UK and Ireland — with training, CPDs, technical support, site visits and ongoing marketing support.
How closed-cell foam solves condensation and heat loss on corrugated and asbestos roofs.
The dew-point mechanism behind roof drip — and how to stop it at source for good.
An impartial comparison on air-sealing, coverage, condensation control and fit.
How encapsulation seals fibres in place — and how it differs from removal.
Why closed-cell foam suits curved corrugated arches where boards can't fit.
The real factors behind a quotation — and why a survey gives the accurate figure.
Commercial, industrial or agricultural — tell us about your project and we'll specify the right system.
Book a Free Survey → or call 01208 832 602Commercial, industrial or agricultural — send us the details and our technical team will specify the right system and a clear budget. No obligation.
Yes — spray foam is one of the most versatile commercial insulation materials, sprayed in-situ to bond directly to corrugated, concrete, metal and asbestos substrates for airtight, long-lasting thermal performance.
Our Enverge Nexseal LE and Sucraseal systems are backed by a 25-year product warranty.
Yes. Our non-licensed, manufacturer-certified encapsulation system locks down asbestos fibres and provides anti-condensation insulation in a single application.
Most commercial installs are completed in days, not weeks — spray foam is fast to apply and creates minimal disruption to live buildings.
Yes — closed-cell spray foam is one of the most effective anti-condensation treatments available, eliminating drip and the corrosion that comes with it.
Yes — we deliver projects UK-wide through our team and network of approved applicators, with a strong base across the South West.