HomeWarehouse Insulation

Enverge spray foam systems

Warehouse Insulation Specialists

Spray foam systems for distribution centres, storage facilities, industrial units and steel structures. Closed-cell Enverge foam stops metal roof condensation at source, reinforces ageing roof sheets and cuts energy costs — sprayed from inside, bay-by-bay, while your warehouse keeps trading.

Stops condensation at sourceBay-by-bay — you keep tradingIreland-wide approved installers
Large-span portal frame warehouse roof insulated with closed-cell spray foam, skylights preserved
Enverge Nexseal LE closed-cellPortal frame warehouse — roof complete
50%
Heating cost saving (up to)
0.18
U-value W/m²K achievable
25+ yrs
Proven service life
IE + NI
Nationwide survey & install
The warehouse problem

One application that solves condensation, heat loss and a tired roof

Closed-cell spray foam is the most effective insulation solution for metal-clad warehouses — solving condensation, thermal performance and energy efficiency in a single application. Profiled metal roofing is a very common warehouse roof type, and the single biggest cause of condensation and heat loss in industrial buildings.

  • Stops condensation drips onto stock, racking, machinery and electrics
  • Cuts heating costs 30–50% with a seamless thermal envelope
  • Reinforces ageing roofs — bonds to and stiffens tired profiled sheet
Completed Enverge Nexseal LE closed-cell spray foam across a profiled metal warehouse roof, skylights left clear
Roof complete — seamless closed-cell foam over profiled steel, rooflights masked and left clear
Free warehouse roof surveyRoof condition, substrate, access and operational constraints — no obligationBook a Survey
Enverge Nexseal LE closed-cell spray foam applied to the underside of a warehouse roof

Nexseal LE closed-cell · warehouse roof underside

Bonds to box profile, sinusoidal, standing seam and composite panels
No mechanical fixings, screw holes, clips or brackets
Cures in minutes — no wet trades, no drying time
Applied to new build or retrofit, most warehouses in 1–5 days
λ 0.027 W/m·K · 78 kPa (BS EN 14315-1) · 25-year manufacturer-backed material warranty
Why it works

Six reasons it works on warehouse roofs

Energy cost reduction

Achieve 30–50% heating cost savings with a seamless thermal envelope. Most warehouse operators see full ROI within 2–5 years.

Condensation control

Eliminates dripping from cold metal roofs onto stock, machinery, electrics and racking. Protects your assets.

Thermal performance

U-values as low as 0.18 W/m²K achievable. Maintains stable temperatures for stock protection and staff comfort.

Structural reinforcement

Bonds and stiffens ageing roof sheets. Reduces wind uplift, rattling and flexing on large-span warehouse roofs.

Zero downtime installation

Install bay-by-bay while operations continue. Foam sets in minutes — no wet trades, no drying time, no follow-up visits.

Lifespan 25+ years

No sagging, no moisture damage, no replacement. Chemically inert once cured — unaffected by vibration or temperature cycling.

Profiled metal roofs

Metal roof insulation for warehouses

Profiled metal roofing is a very common warehouse roof type — and the single biggest cause of condensation and heat loss in industrial buildings.

Eliminates condensation

Closed-cell foam raises the internal surface temperature above dew point, preventing moisture forming on the underside of metal sheets. Protects stock and racking.

Bonds to every profile

Spray foam follows every ridge and trough of profiled sheets — box profile, sinusoidal, standing seam and composite panels. Zero gaps.

Zero penetrations

No mechanical fixings, screw holes, clips or brackets. The foam adheres directly to the metal with no damage to the roof integrity.

New build & retrofit

Applied to new constructions or existing warehouses. Minimal disruption to operations — most warehouses completed in 1–5 days.

Structural reinforcement

Structural reinforcement for ageing warehouse roofs

Closed-cell spray foam adds significant structural integrity to metal and cement fibre warehouse roofs — creating a rigid composite far stronger than the original sheet alone.

Composite panel effect. Closed-cell foam bonds to metal and cement fibre sheets, creating a rigid composite that dramatically reduces movement across large-span warehouse roofs.

Wind & weather resistance. Reduces flexing, rattling and uplift caused by high winds. Particularly valuable for exposed warehouse and distribution centre buildings.

Extends roof life 20+ years — reinforces ageing and brittle roofing materials without disturbing them, avoiding a costly re-roof while adding insulation and condensation control.

78 kPaMechanical resistance, BS EN 14315-1
No fixings, no penetrationsBonds to metal & cement fibreReduces rattle and uplift
Completed warehouse roof spray foam insulation with skylights preserved
20+ yrs
Roof life extension
1000 m²/day
Typical spray rate
30–50%
Heating cost cut
1–5 days
Most warehouses
Case studies

Real warehouses. Real results.

Recent Duratite projects in the UK — surveyed by us, installed by our approved network, and signed off with full documentation.

TJW Grab Hire warehouse roof spray foam insulation case study, Bournemouth

TJW Grab Hire

Warehouse roof insulation, Bournemouth, England.

Nuneaton Signs industrial roof and wall spray foam insulation case study

Nuneaton Signs

Roof & wall insulation, Warwickshire, England.

Black Hangar Studios large-span hangar roof spray foam insulation case study

Black Hangar Studios

Hangar roof insulation, Hampshire, England.

By operation

Protecting stock, equipment & operations

Every type of warehouse benefits from spray foam insulation — from ambient storage to temperature-critical environments.

Distribution & logistics

Large-span distribution centres need condensation-free environments to protect stock and packaging. Spray foam eliminates dripping water and reduces heating costs across vast floor areas.

Cold storage & chillers

Temperature-controlled warehouses for food, pharmaceuticals and electronics need high thermal performance at minimal thickness. Closed-cell foam provides insulation and vapour barrier in one seamless application.

Manufacturing facilities

Stable temperatures improve product quality and worker productivity. Spray foam maintains consistent conditions year-round, reducing energy costs and improving welfare.

E-commerce fulfilment

Pick-and-pack warehouses need comfortable working conditions for staff and protection for goods. Insulation reduces energy bills and creates a more productive environment.

Multi-unit industrial estates

Individual units within larger estates can be insulated independently. Spray foam is applied unit-by-unit with no impact on neighbouring tenants.

Vehicle & equipment storage

Protect high-value vehicles, plant and equipment from condensation damage. Spray foam stops dripping, reduces humidity and improves air quality inside storage buildings.

Head-to-head comparison

Nexseal LE vs Sucraseal

Which spray foam system is right for your warehouse? Here is how closed-cell and open-cell compare across every metric that matters.

What matters on a warehouseRECOMMENDEDEnverge Nexseal LEClosed cellEnverge SucrasealOpen cell
Cell structureClosed — rigid, high densityOpen — soft, flexible
Thermal conductivityλ 0.027 W/m·Kλ 0.039 W/m·K
Vapour barrierIntegral — no separate VCL neededVapour open — requires separate VCL
Condensation control on metalEliminates at source — warms the sheetNot specified for cold metal roofs
Structural reinforcementAdds rigidity to the substrateSoft foam — no structural benefit
Adhesion to metalExcellent — bonds to profiled steel and aluminiumGood, but no structural bond
Warranty25-year manufacturer-backed material warrantyManufacturer product warranty
Best suited toMetal-clad warehouse roofs and wallsInternal partitions and acoustic build-ups
For warehouses: Nexseal LE is the clear choice. For metal-clad warehouse and industrial buildings, Nexseal LE closed-cell spray foam is the recommended solution. It acts as insulation and vapour barrier in one application, so no separate VCL is needed. It bonds to and reinforces ageing metal roof sheets across large spans, eliminates condensation at source by preventing warm moist air reaching the cold substrate, and its lower thermal conductivity means less thickness is needed — preserving internal height for racking. It suits every warehouse substrate including profiled steel, box profile, cement fibre and composite panels. Sucraseal open-cell foam is suitable for warehouse internal partitions and areas where acoustic performance and budget are the priority, but it is not recommended for metal roofing applications.
Fire performance

Certified fire ratings

Nexseal LE achieves strong fire performance and can be overcoated to Euroclass B where a building’s use or fire strategy requires it.

BS 476 Part 7 Class 1

Uncoated, the foam achieves BS 476 Part 7 Class 1 / Euroclass E — suitable for general warehouse storage areas and ambient warehousing.

Euroclass B-s2-d0 — optional

Where required, the foam can be overcoated (e.g. DC315 intumescent) to achieve an enhanced Euroclass B rating. Specified to the building — not always necessary.

Occupied warehouse spaces

Warehouse offices, mezzanine storage, escape routes and any area with regular human occupancy or a specific fire strategy requirement.

Before · during · after

Warehouse — full transformation

The complete journey from uninsulated steel warehouse to fully sprayed, condensation-free industrial building.

Uninsulated steel warehouse roof before spray foam insulation
Bare profiled steel roof — the cold surface where condensation forms
Technician applying Nexseal LE closed-cell spray foam from a scissor lift
Nexseal LE sprayed bay-by-bay — the unit keeps trading
Completed warehouse roof spray foam insulation with skylights preserved
Seamless envelope — skylights and services preserved
Technician spraying 25mm Enverge Nexseal LE closed-cell foam to a warehouse roof from a scissor lift
Spraying Nexseal LE — unit stays open
Closed-cell spray foam applied to warehouse roof underside with stock sheeted below
Roof underside — fully coated
Completed Nexseal LE closed-cell spray foam across a portal-frame warehouse roof with the rooflights left clear
Roof complete — foam over every sheet lap and purlin
Completed Enverge Nexseal LE closed-cell spray foam warehouse insulation
Completed — seamless envelope
Large warehouse hangar interior prepared for spray foam insulation
Large-span warehouse — ready to spray
Products & data sheets

The systems we install

The foam and any finish are matched to the roof sheeting and how the building is used. Request the technical documentation for your specification.

Completed Enverge Nexseal LE closed-cell spray foam across a warehouse roof
Closed-cell

Enverge Nexseal LE

The core warehouse system: a spray-applied, two-component closed-cell foam that insulates and air-seals roofs, walls and steelwork. Rigid and moisture-resistant with a 25-year manufacturer-backed material warranty, and can be overcoated to a Euroclass B fire rating where required.

  • λ 0.027 W/m·K
  • 78 kPa mechanical resistance (BS EN 14315-1)
  • Integral vapour control — no separate VCL
Completed Nexseal LE and Sucraseal spray foam system in a warehouse
Open-cell

Enverge Sucraseal

A spray-applied, two-component open-cell foam for internal partitions and areas where a lighter, more vapour-open build-up and acoustic performance suit the space.

  • λ 0.039 W/m·K
  • Acoustic absorption in partitions
  • Requires a separate vapour control layer
Also available on request: the written warehouse spray specification (substrate preparation, thickness, coverage and finish); the U-value guide for warehouses (thickness against achievable U-value for common warehouse roof build-ups, with free project-specific calculations provided on survey); and DC315 intumescent certification for the overcoat used where a Euroclass B reaction-to-fire rating is required for occupied warehouse areas.
How it works

From enquiry to completion

A proven four-step process for warehouse insulation projects — free site assessment, engineered design, professional installation, full documentation.

1

Site assessment

We survey your warehouse — roof condition, substrate type, access requirements and operational constraints. Free and no-obligation.

2

System design

U-value calculations, condensation risk analysis, thickness specification, fire strategy and access plan. Fully engineered before work begins.

3

Phased installation

An Enverge-trained applicator from our approved installer network sprays bay-by-bay while your warehouse operates. Intumescent coating applied where required. Foam cures in minutes.

4

Completion pack

Thickness verification logs, site photographs, fire certificates, warranty documentation and U-value compliance paperwork — everything building control needs.

Why Duratite

Why choose Duratite for warehouse insulation

Trusted spray foam insulation specialists — delivering expert installations for warehouses and industrial buildings nationwide.

10+ years experience

Over a decade delivering professional spray foam insulation projects across Ireland and Northern Ireland.

1,000+ commercial projects

Commercial projects across Ireland and Northern Ireland including warehouses, distribution centres, industrial units and commercial buildings.

Manufacturer-trained installers

Our approved installer network is directly trained and certified by Enverge, so every installation meets manufacturer specification.

Full project management

From initial survey through to completion and handover — we manage every aspect of your warehouse insulation project.

Full documentation pack

RAMS, Chemical Agents Regulations file, project-specific method statement, manufacturer datasheets, fire test reports, thickness records and completion certificate.

Warehouse specialists

Extensive experience insulating distribution centres, cold storage, manufacturing facilities, logistics hubs and industrial buildings of every type.

Finished warehouse spray foam insulation across a large-span roof
Warehouse insulation, Ireland-wide

Insulate your warehouse today

From single-skin steel and corrugated metal roofs on factories, distribution centres and retail warehouses, through to portal-frame units and clear-span buildings — closed-cell spray foam stops condensation, sweating and dripping at source. Send your building type, roof and a few photos and we’ll book your free site survey.

FAQ

Warehouse insulation questions

Straight answers to what warehouse owners and facilities teams ask before booking a survey — on condensation, cost, downtime, thickness, asbestos-cement roofs, Building Regs and warranties. Can’t see yours? Ask us directly and we’ll come back to you the same working day.

What is the most cost-effective way to insulate a warehouse?
Spray foam insulation applied directly to the underside of warehouse roof sheets is the most cost-effective method. It bonds seamlessly to metal, concrete and timber without mechanical fixings, creating a continuous thermal barrier with zero gaps. Installation is fast — typically 500–1,000m² per day — meaning minimal disruption to operations.
Can a warehouse be insulated without stopping operations?
Yes. Spray foam insulation can be applied in sections while your warehouse continues to operate. Work runs bay-by-bay or zone-by-zone, typically completing each section within hours. The foam cures in minutes, so there is no wet paint or adhesive risk to stock.
How does warehouse insulation reduce energy costs?
Up to 25% of a warehouse’s heat escapes through an uninsulated roof. Spray foam creates a seamless thermal barrier that reduces heating costs by 30–50%. For temperature-controlled warehouses, the savings are even greater as the insulation also reduces cooling loads in summer.
Does spray foam prevent condensation on warehouse roofs?
Yes. Condensation forms when warm moist air meets a cold roof surface. Closed-cell spray foam raises the internal surface temperature above the dew point, eliminating the cold face where condensation forms. It also acts as a vapour barrier, protecting stock, machinery, electrics and racking.
What thickness of insulation does a warehouse need?
General ambient warehousing typically needs 35–50mm of closed-cell spray foam. Temperature-sensitive storage (pharmaceuticals, food, electronics) may require 50–100mm. Cold storage facilities typically need 100mm or more. Duratite provides free U-value calculations for every project.
How long does warehouse spray foam insulation last?
Spray foam insulation has a proven lifespan of 25+ years with no degradation in thermal performance. It is chemically inert once cured and is unaffected by humidity, temperature cycling or vibration — making it ideal for the demanding warehouse environment.
Does warehouse spray foam meet Building Regulations?
Yes. Spray foam can achieve U-values that meet or exceed TGD L requirements. All installations include U-value calculations and documentation for building control.
How much does it cost to insulate a warehouse with spray foam?
Cost varies by building size, substrate condition, system type and required thickness. As a guide, closed-cell spray foam for a steel-clad warehouse is priced per m² for the thickness specified — typically 25mm or 50mm. A free, no-obligation site survey and fixed-price quotation is available — email info@duratite.ie.
Can spray foam be used on asbestos cement warehouse roofs?
Yes. Closed-cell spray foam bonds to asbestos cement, encapsulating loose fibres in line with HSA guidance. It simultaneously insulates the building and structurally reinforces ageing AC sheets — extending roof life by 20+ years without the disruption and cost of sheet removal.
Will spray foam affect my warehouse building insurance?
In most cases, no. We recommend notifying your insurer as standard practice. Your completion pack includes product documentation, fire test reports and installation records to satisfy any insurer requirements.
Does spray foam insulation come with a warranty?
Yes. Enverge Nexseal LE closed-cell foam carries a 25-year manufacturer-backed material warranty, and Sucraseal carries a manufacturer product warranty. The installation is covered by a workmanship warranty from the approved installer who carries out the work. Full warranty documentation is included in your completion pack.
Free site survey

Get a fixed-price warehouse quote

Send your building details and a few photos. We confirm the right system and book your free survey.

Reviewed by a spray foam specialistNo obligation, no hard sellOne team from survey to warrantyIreland-wide warehouse coverage

Send my enquiry

Prefer to talk? Email info@duratite.ie — Mon–Fri, 8am–5pm.

Mon–Fri 8am–5pm · info@duratite.ie

Case Studies

Warehouse insulation case studies

Real Duratite projects — building type, location, system used and the outcome on site.

View all case studies
Areas we cover

Duratite across Ireland and Northern Ireland

Free survey and fixed written specification in every county, installed through our approved installer network. Choose your area.

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Technical guides for Ireland

TGD L 2022 insulationImprove your BERAsbestos cement roofsFarm building condensationWarehouse insulationFlat roof leaksOpen vs closed cellNorthern Ireland guide

All areas we cover →

Free Site Survey

Get a Free Site Survey & Quote

Tell us about your building and we’ll recommend the right system — foam, waterproofing or both — surveyed, specified and quoted at no cost.

  • Reviewed by a Duratite specialist
  • No obligation, no hard sell
  • One team from survey to warranty
  • Ireland and Northern Ireland coverage
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