Duratite knowledge

Insulation & Roof Coating Guides

Written by the Duratite technical team for commercial building owners, facilities managers and contractors. Asbestos roof encapsulation, GacoFlex silicone coatings, spray foam insulation, tank insulation, condensation control and UK Building Regulations.

75Expert guides
7Topics
10+Years, since 2015
1,000+Commercial projects

Asbestos Roofs & Encapsulation

17 guides

Coating, encapsulating and waterproofing asbestos cement roofs without removal.

Asbestos Roofs 24 Apr 2026

Silicone Coating Over Asbestos Cement Roof UK

Encapsulate asbestos cement roof sheets with silicone coating — safer than removal, LRR-eligible, 20-year warranty...

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Asbestos Roofs 14 Apr 2026

How to Waterproof an Asbestos Roof: 2026 Complete Guide (Without Removal)

How to waterproof an asbestos cement roof without removal in 2026: HSE-compliant encapsulation, Gaco coatings, cost...

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Asbestos Roofs 14 Apr 2026

How to Stop an Asbestos Roof from Leaking (Emergency + Permanent Fix)

Emergency and permanent solutions for a leaking asbestos cement roof. UK commercial guide — temporary seals, full G...

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Asbestos Roofs 14 Apr 2026

Asbestos Roof Waterproofing Cost UK 2026: Full Pricing Breakdown

Full 2026 UK pricing for asbestos cement roof waterproofing. Cost per m², system comparison, Land Remediation Relie...

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Asbestos Roofs 14 Apr 2026

GacoFlex S42 vs 127 vs U92: Which Coating for Your Asbestos Roof?

Which Gaco coating suits an asbestos cement roof? GacoFlex S42 silicone, 127 acrylic and U92 urethane compared on c...

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Asbestos Roofs 14 Apr 2026

How Long Does Asbestos Roof Coating Last? (20-Year Warranty Explained)

Honest UK guide to how long an asbestos roof coating lasts. Real warranty periods, service life data, aftercare and...

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Asbestos Roofs 14 Apr 2026

Asbestos Roof Waterproofing vs Removal: 2026 Cost Comparison

Full 2026 UK cost comparison between asbestos roof waterproofing (encapsulation) and full licensed removal. Pricing...

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Asbestos Roofs 14 Apr 2026

7 Signs Your Asbestos Roof Needs Waterproofing (Before It Fails)

7 warning signs that your commercial asbestos cement roof needs waterproofing before it fails. Visual checks, deter...

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Asbestos Roofs 14 Apr 2026

Asbestos Roof Waterproofing Process: Step-by-Step Explained

Complete step-by-step breakdown of how an asbestos cement roof is waterproofed. Survey, RAMS, biocide clean, GacoPa...

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Asbestos Roofs 14 Apr 2026

Best Coating for Old Asbestos Cement Roofs: 2026 Buyer's Guide

2026 buyer's guide to the best coating for old asbestos cement roofs in the UK. System comparison, warranties, real...

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Asbestos Roofs 3 Apr 2026

Asbestos Encapsulation Cost UK 2026: Complete Pricing Guide

Asbestos encapsulation costs in the UK from £15-40/m². Compare encapsulation vs removal pricing, understand what af...

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Asbestos Roofs 3 Apr 2026

Asbestos Encapsulation vs Removal: Which Is Right for Your Building?

Asbestos encapsulation vs removal compared on cost, disruption, compliance and environmental impact, and when each...

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Asbestos Roofs 3 Apr 2026

Asbestos Encapsulation for Warehouses: The Complete Guide

Complete guide to asbestos encapsulation for warehouses. Interior spray foam vs exterior coating, costs, disruption...

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Asbestos Roofs 3 Apr 2026

Asbestos Cement Roof Encapsulation: Spray Foam vs Coating

Compare spray foam vs silicone coating for asbestos cement roof encapsulation. 12-factor comparison table, when to...

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Asbestos Roofs 3 Apr 2026

Asbestos Encapsulation for Agricultural Buildings UK

Complete guide to asbestos encapsulation for farm buildings, barns, and agricultural sheds. Livestock consideration...

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Asbestos Roofs 3 Apr 2026

Asbestos Encapsulation Maintenance: Post-Treatment Obligations

Post-encapsulation maintenance obligations: updating your asbestos register, management plan, inspection schedule...

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Asbestos Roofs 3 Apr 2026

Spray Foam for Asbestos Encapsulation: How It Works

How spray foam encapsulates asbestos: the science, application process, fibre sealing mechanism, curing, testing, a...

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Working on an asbestos roof project? Send us the roof or building details and a Duratite engineer will come back with a specification.

Get free expert advice Asbestos encapsulation services

Roof Coatings & Waterproofing

12 guides

GacoFlex silicone systems for flat, metal and profiled commercial roofs.

Roof Coatings 24 Apr 2026

Cromar Hydrosil Alternative UK | Premium Silicone

Comparing Cromar Hydrosil to higher-spec alternatives like GacoFlex S42? Honest head-to-head on solids, warranty, V...

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Roof Coatings 24 Apr 2026

Silicone vs Acrylic Roof Coating UK | Which to Use

Silicone or acrylic roof coating? UK specifier guide to chemistry, warranty, ponding water, cost and when each is r...

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Roof Coatings 24 Apr 2026

Silicone vs Polyurethane Roof Coating UK

Silicone vs PU roof coating for UK commercial roofs. How they compare on ponding, cost, warranty, application. Hone...

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Roof Coatings 24 Apr 2026

Silicone vs GRP Flat Roof UK | When Each Chemistry Wins

Silicone or GRP for your UK flat roof? Full comparison on lifespan, cost, ponding, recoatability and refurbishment...

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Roof Coatings 24 Apr 2026

Silicone Roof Coating Cost Per m² UK — 2026 Pricing Guide

How much does silicone roof coating cost per m² in the UK (2026)? Full breakdown — material, installed, warranty ti...

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Roof Coatings 24 Apr 2026

Ponding Water on a Flat Roof? The UK Silicone Solution

Standing water on your commercial flat roof? Silicone coating is the only chemistry rated for permanent ponding. Ho...

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Roof Coatings 24 Apr 2026

MEES 2027/2030 — Using a Cool Roof Coating to Lift Your EPC

Commercial landlord facing MEES tightening to EPC B? Cool-roof silicone coating can contribute to EPC uplift — how...

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Roof Coatings 24 Apr 2026

Best Silicone Roof Coating UK 2026 — Honest Specifier Guide

2026 review of the best silicone roof coating systems in the UK — GacoFlex S42, Liquasil, Cromar Hydrosil, Giromax...

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Roof Coatings 24 Apr 2026

Silicone Coating Over EPDM UK | Refurb Without Strip

Weathered EPDM flat roof? Silicone overcoat extends life by 15–20 years, no strip-and-replace. How it bonds, cost p...

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Roof Coatings 24 Apr 2026

Silicone Coating Metal Roof UK | Cut-Edge & Overcoat

Profiled metal roof, cut-edge corrosion, pinhole leaks? Silicone coating seals everything in one pass. UK nationwid...

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Roof Coatings 24 Apr 2026

20-Year Silicone Roof Coating Warranty UK — What's Really Covered

20-year silicone roof warranties — what's actually covered, what's excluded, and how to compare manufacturer scheme...

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Roof Coatings 15 Feb 2026

Gaco Roof Coatings UK: Silicone, Acrylic & Urethane Systems

Buy Gaco roof coatings from Duratite UK. Silicone, acrylic and urethane systems for flat roofs, metal roofs, asbest...

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Working on a roof coating project? Send us the roof or building details and a Duratite engineer will come back with a specification.

Get free expert advice Commercial roof waterproofing

Buildings & Sectors

13 guides

Warehouses, farm buildings, cold stores, schools, data centres and specialist structures.

Buildings & Sectors 20 Mar 2026

Modular Building Insulation: Spray Foam for Portacabins & Temporary Structures

Spray foam insulation for modular buildings, portacabins and site welfare units, including modular classrooms and h...

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Buildings & Sectors 18 Mar 2026

Liveaboard Boat Insulation: Complete Guide to Spray Foam for Canal Boats

Liveaboard boat insulation with spray foam: steel and aluminium hulls, condensation control, ventilation and gas sa...

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Buildings & Sectors 16 Mar 2026

Data Centre Insulation: Temperature Control with Spray Foam

Data centre insulation with spray foam: improving PUE, controlling condensation from cooling systems, and airtightn...

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Buildings & Sectors 14 Mar 2026

How to Insulate a Steel Portal Frame Building with Spray Foam

How to insulate a steel portal frame building: purlin-to-purlin spray foam, thermal bridging solutions, and a compa...

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Buildings & Sectors 13 Mar 2026

Spray Foam Insulation for Food Processing & Clean Room Facilities

Spray foam insulation for food processing plants and clean rooms: HACCP compliance, seamless surfaces, temperature...

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Buildings & Sectors 12 Mar 2026

How to Insulate a Shipping Container Office: Step-by-Step Guide

How to insulate a shipping container office step by step: spray foam thickness, condensation prevention, ventilatio...

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Buildings & Sectors 11 Mar 2026

Spray Foam Insulation for Schools & Education Buildings UK

Spray foam insulation for schools and colleges: BB101 ventilation, acoustic performance, holiday installation and e...

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Buildings & Sectors 10 Mar 2026

Car Park Soffit Insulation: U-Values, Fire Safety & Best Practice

Car park soffit insulation: Part L U-value targets, fire requirements, DC315 intumescent coating and Metsec soffits...

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Buildings & Sectors 8 Mar 2026

Warehouse Insulation UK: The Complete Guide to Spray Foam

Warehouse insulation in the UK with spray foam: cold stores, distribution centres and factories, U-value requiremen...

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Buildings & Sectors 6 Mar 2026

Agricultural Building Insulation: Spray Foam for Farms & Barns

Spray foam insulation for farm buildings: livestock housing, grain stores, milking parlours and potato stores. Cond...

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Buildings & Sectors 28 Feb 2026

Cold Store Insulation: Why Spray Foam Outperforms Traditional Methods

Spray foam insulation for cold stores and cold rooms: -25°C to +5°C, dew point control, food safety and energy savi...

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Buildings & Sectors 16 Jan 2026

Quonset Hut vs Nissen Hut: What's the Difference?

The history and differences between Quonset huts and Nissen huts. Construction, insulation challenges, and modern u...

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Buildings & Sectors 13 Jan 2026

How to Insulate a Narrowboat: Spray Foam vs Rockwool

Comparing spray foam and rockwool insulation for narrowboats. Condensation resistance, space efficiency, and long-t...

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Working on a commercial building project? Send us the roof or building details and a Duratite engineer will come back with a specification.

Get free expert advice Spray foam insulation hub

Tank & Vessel Insulation

10 guides

Water, fuel and chemical storage tanks -- frost protection, Part G and Part J.

Tanks & Vessels 15 Apr 2026

Commercial Water Tank Insulation UK: The Complete Guide

Complete UK guide to commercial water tank insulation: two-stage Nexseal LE + Gaco system, thicknesses, Part G comp...

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Tanks & Vessels 15 Apr 2026

Part G Compliance: Cold Water Storage Tank Insulation Requirements

Part G Building Regulations for cold water storage tank insulation. Maximum temperature rise, Legionella risk, BS 6...

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Tanks & Vessels 15 Apr 2026

GRP vs Steel vs Concrete Tank Insulation: Which System Works Best?

Comparison of GRP, steel and concrete water storage tanks and the best insulation approach for each substrate — adh...

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Tanks & Vessels 15 Apr 2026

Winter Frost Protection for Commercial Water Tanks UK

How to protect commercial water tanks from winter freezing. Insulation thicknesses, trace heating integration, expo...

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Tanks & Vessels 15 Apr 2026

Fuel Oil Tank Insulation UK: Part J, OFTEC & Bund Compliance

Part J, OFTEC and bund requirements for fuel oil storage tank insulation. Integrally bunded tanks, fire separation...

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Tanks & Vessels 15 Apr 2026

Chemical Storage Tank Insulation: COSHH, Containment & Compliance

Chemical storage tank insulation under COSHH, DSEAR and containment rules. Substrate compatibility, Gaco topcoat se...

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Tanks & Vessels 15 Apr 2026

Rooftop Water Tank Insulation for Commercial Buildings UK

Rooftop water tank insulation for hotels, hospitals and commercial buildings. Wind, UV and frost exposure, access r...

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Tanks & Vessels 15 Apr 2026

Agricultural & Dairy Tank Insulation: Commercial Farm Guide

Dairy bulk tanks, slurry, silage and livestock water troughs — the commercial farm guide to Nexseal LE + Gaco tank...

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Tanks & Vessels 15 Apr 2026

Rainwater Harvesting Tank Insulation: When It Actually Matters

When rainwater harvesting tanks actually need insulation — freeze protection, UV degradation, algae growth, and bur...

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Tanks & Vessels 15 Apr 2026

Tank Insulation Cost UK 2026: Commercial Pricing Guide

2026 UK commercial tank insulation pricing. Cost per m² by tank type and substrate, Nexseal LE + Gaco system pricin...

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Working on a tank or vessel project? Send us the roof or building details and a Duratite engineer will come back with a specification.

Get free expert advice Tank insulation

Spray Foam Insulation

9 guides

How closed-cell and open-cell foam perform, what it costs and how thick it needs to be.

Spray Foam 20 Mar 2026

How Much Does Spray Foam Insulation Cost in the UK? (2026 Guide)

Commercial spray foam insulation cost in the UK for 2026: price per m² for closed-cell and open-cell systems, the f...

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Spray Foam 19 Mar 2026

How Thick Should Spray Foam Insulation Be? Application-by-Application Guide

How thick should spray foam insulation be? Thickness by application for walls, roofs, floors and soffits, with U-va...

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Spray Foam 17 Mar 2026

Spray Foam vs Mineral Wool for Commercial Buildings: Full Comparison

Spray foam vs mineral wool for commercial insulation: thermal and acoustic performance, fire rating, moisture resis...

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Spray Foam 15 Mar 2026

Is Spray Foam Insulation Worth It for Commercial Buildings?

Is spray foam insulation worth it for commercial buildings? ROI data, energy savings, payback periods and an honest...

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Spray Foam 15 Mar 2026

Spray Foam Insulation for Flat Roofs: Commercial Guide

Spray foam insulation for commercial flat roofs: warm deck vs cold deck, overlay systems, ponding water and tapered...

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Spray Foam 4 Mar 2026

Spray Foam vs Rigid Board Insulation: Which Is Better for Commercial Buildings?

Spray foam vs PIR rigid board for commercial buildings, head to head: thermal bridging, airtightness, installation...

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Spray Foam 20 Jan 2026

Stud Wall Insulation: Spray Foam vs Rockwool (Commercial)

Commercial comparison of spray foam and rockwool for stud wall insulation. Acoustic performance, thermal bridging...

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Spray Foam 18 Jan 2026

Contiguous Piling Insulation: Spray Foam vs Rigid Board

Guide to insulating contiguous piled walls in basement construction. Spray foam vs rigid board options for below-gr...

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Spray Foam 15 Jan 2026

Open Cell vs Closed Cell Spray Foam

Detailed comparison of open cell and closed cell spray foam insulation. R-values, costs, moisture performance, and...

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Working on a spray foam project? Send us the roof or building details and a Duratite engineer will come back with a specification.

Get free expert advice Spray foam insulation hub

Regulations, Compliance & Tax

8 guides

Building Regulations, HSE duties, fire ratings, insurance and Land Remediation Relief.

Regulations & Tax 14 Apr 2026

Is It Legal to Coat an Asbestos Roof in the UK? HSE Guidance Explained

Complete legal guide to coating an asbestos cement roof in the UK. HSE CAR 2012 rules, non-licensed works, UKATA tr...

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Regulations & Tax 3 Apr 2026

Land Remediation Relief for Asbestos: Claim 150% Tax Deduction

Claim 150% Land Remediation Relief on asbestos encapsulation costs. Complete guide to HMRC eligibility, worked exam...

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Regulations & Tax 3 Apr 2026

Duty to Manage Asbestos: Complete Guide for UK Building Owners

Complete guide to the duty to manage asbestos under CAR 2012. Who is responsible, what the duty involves, penalties...

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Regulations & Tax 3 Apr 2026

Asbestos Encapsulation & Building Insurance: What Owners Must Know

How asbestos affects commercial building insurance, what owners must disclose, and how encapsulation changes the ri...

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Regulations & Tax 18 Mar 2026

Spray Foam Insulation Building Regulations UK: Complete Guide

UK Building Regulations for spray foam insulation: Part L U-values, Part B fire safety, Part E acoustics, DC315 coa...

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Regulations & Tax 12 Mar 2026

What Is BBA Certification for Spray Foam Insulation?

What BBA certification means for spray foam insulation: what the BBA tests, why specifiers ask for it, and how to c...

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Regulations & Tax 2 Mar 2026

Spray Foam Fire Rating UK: Euroclass, BS 476 & What You Need to Know

Spray foam fire ratings in the UK: the Euroclass system, BS 476 tests, Class 0 and Class 1, DC315 intumescent coati...

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Regulations & Tax 17 Jan 2026

Concrete Soffit Insulation: Fire Rating Regulations

Fire rating requirements for concrete soffit insulation in commercial buildings. Euroclass ratings, BS 476 testing...

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Working on a compliance project? Send us the roof or building details and a Duratite engineer will come back with a specification.

Get free expert advice Compliance-led encapsulation

Condensation & Damp Control

6 guides

Stopping interstitial and surface condensation in metal, hangar and below-ground structures.

Working on a condensation project? Send us the roof or building details and a Duratite engineer will come back with a specification.

Get free expert advice Commercial roof waterproofing

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These are Duratite service pages, not guides — they explain the systems we supply and install. They are listed separately so the guide counts above stay honest.

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