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Best Thermal Insulating Paint of 2026
Last updated on 16/04/2026
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1
Thermaldry Anti Mould & Condensation Paint by Structural Supplies (5 Litres)
Structural Supplies Online
Why we love it
Waterproof coating for durability.
Reduces condensation effectively.
Prevents mould and dampness.
Main Highlights
Coating is waterproof when dry and walls are warm to the touch
Reduces condensation on cold walls and ceilings
Helps prevent black mould, mildew and damp spots
Thermal insulating effect using hollow glass bead technology
Water-repellent, breathable and washable finish
Suitable for bathrooms, kitchens, bedrooms and external-facing walls
Easy to apply by brush or roller
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9.7
Exceptional
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9.7
Exceptional
Structural Supplies Online
Thermaldry Anti Mould & Condensation Paint by Structural Supplies (5 Litres)
Check Price
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Why we love it
Waterproof coating for durability.
Reduces condensation effectively.
Prevents mould and dampness.
Main Highlights
Coating is waterproof when dry and walls are warm to the touch
Reduces condensation on cold walls and ceilings
Helps prevent black mould, mildew and damp spots
Thermal insulating effect using hollow glass bead technology
Water-repellent, breathable and washable finish
Suitable for bathrooms, kitchens, bedrooms and external-facing walls
Easy to apply by brush or roller
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Value for Money
2
Thermilate InsOpaint Interior Emulsion Brilliant White 5L – Energy-Saving Insulating Wall & Ceiling Paint - Anti-Mould, Anti-Condensation, Low-Odour Acrylic Emulsion for Homes, Kitchens & Bathrooms
Thermilate Technology
Why we love it
Prevents mould and peeling wallpaper.
Reduces energy use and bills.
Eco-friendly, easy application paint.
Main Highlights
ENERGY SAVING INSULATING PAINT – Reduces heat loss through walls and ceilings, keeping rooms warmer for longer and helping cut heating costs efficiently.
PREMIUM ACRYLIC FORMULA – Tough, durable emulsion that resists peeling, cracking, and blistering while maintaining a smooth and elegant Brown finish.
ANTI CONDENSATION TECHNOLOGY – Effectively combats condensation and dampness, preventing the growth of mould and mildew on surfaces.
MOULD & MILDEW RESISTANT – Ideal for kitchens, bathrooms, and humid spaces, helping maintain a clean, fresh, and healthy indoor environment.
LOW ODOUR & ECO-FRIENDLY – Water-based and low VOC paint ensures safer indoor air quality and an environmentally responsible finish.
EASY APPLICATION & FAST DRYING – Applies smoothly with brush or roller and dries quickly, providing professional-grade coverage in fewer coats.
VERSATILE FOR WALLS & CEILINGS – Suitable for residential and commercial interiors, including homes, hotels, schools, gyms, and restaurants.
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9.6
Superb
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9.6
Superb
Thermilate Technology
Thermilate InsOpaint Interior Emulsion Brilliant White 5L – Energy-Saving Insulating Wall & Ceiling Paint - Anti-Mould, Anti-Condensation, Low-Odour Acrylic Emulsion for Homes, Kitchens & Bathrooms
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Why we love it
Prevents mould and peeling wallpaper.
Reduces energy use and bills.
Eco-friendly, easy application paint.
Main Highlights
ENERGY SAVING INSULATING PAINT – Reduces heat loss through walls and ceilings, keeping rooms warmer for longer and helping cut heating costs efficiently.
PREMIUM ACRYLIC FORMULA – Tough, durable emulsion that resists peeling, cracking, and blistering while maintaining a smooth and elegant Brown finish.
ANTI CONDENSATION TECHNOLOGY – Effectively combats condensation and dampness, preventing the growth of mould and mildew on surfaces.
MOULD & MILDEW RESISTANT – Ideal for kitchens, bathrooms, and humid spaces, helping maintain a clean, fresh, and healthy indoor environment.
LOW ODOUR & ECO-FRIENDLY – Water-based and low VOC paint ensures safer indoor air quality and an environmentally responsible finish.
EASY APPLICATION & FAST DRYING – Applies smoothly with brush or roller and dries quickly, providing professional-grade coverage in fewer coats.
VERSATILE FOR WALLS & CEILINGS – Suitable for residential and commercial interiors, including homes, hotels, schools, gyms, and restaurants.
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3
Thermilate InsOpaint ULTRA INSULATION PAINT Advance Energy Saving Paint Keep Room Warm | 5L | Tough Acrylic Emulsion Wall Ceiling Paint (Ultra White, 5 Liters)
Thermilate Technology
Why we love it
Saves energy year-round.
Superior texture and finish.
Reduces condensation dramatically.
Main Highlights
Thermilate Ultra
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9.5
Superb
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9.5
Superb
Thermilate Technology
Thermilate InsOpaint ULTRA INSULATION PAINT Advance Energy Saving Paint Keep Room Warm | 5L | Tough Acrylic Emulsion Wall Ceiling Paint (Ultra White, 5 Liters)
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Why we love it
Saves energy year-round.
Superior texture and finish.
Reduces condensation dramatically.
Main Highlights
Thermilate Ultra
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4
SIRAMICO COATINGS I Thermal Insulation Paint I 5 Litres - Matt White I Provides Thermal Insulation to Painted Surfaces
Generic
Why we love it
Effective condensation prevention technology.
Environmentally friendly and low toxicity.
Versatile application methods available.
Main Highlights
EFFECTIVE ANTI-CONDENSATION - Thermal Insulation Coating with low thermal conductivity
THERMAL BARRIER TECHNOLOGY - Can be applied to cladding or containers to provide insulation
ENVIRONMENTALLY FRIENDLY - Waterbased, no VOC, low toxicity and odour
INSULATION TECHNOLOGY - Coating will prevent condensation build up on internal structures in hot and cold temperature cycle
VERSATILE APPLICATION - Application via airless, brush or roller methods.
GOOD COVERAGE - 1m2 / L at 1mm coating thickness
MOULD & FUNGI PREVENTION - Mould and fungal resistant
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9.5
Superb
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9.5
Superb
Generic
SIRAMICO COATINGS I Thermal Insulation Paint I 5 Litres - Matt White I Provides Thermal Insulation to Painted Surfaces
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Why we love it
Effective condensation prevention technology.
Environmentally friendly and low toxicity.
Versatile application methods available.
Main Highlights
EFFECTIVE ANTI-CONDENSATION - Thermal Insulation Coating with low thermal conductivity
THERMAL BARRIER TECHNOLOGY - Can be applied to cladding or containers to provide insulation
ENVIRONMENTALLY FRIENDLY - Waterbased, no VOC, low toxicity and odour
INSULATION TECHNOLOGY - Coating will prevent condensation build up on internal structures in hot and cold temperature cycle
VERSATILE APPLICATION - Application via airless, brush or roller methods.
GOOD COVERAGE - 1m2 / L at 1mm coating thickness
MOULD & FUNGI PREVENTION - Mould and fungal resistant
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5
SIRAMICO COATINGS Anti Condensation Thermal Paint | 1 & 5 Litres - Matt White | British Made (5 Litres)
SIRAMICO COATINGS
Why we love it
Warms cold surfaces effectively.
Non-toxic and environmentally friendly.
Prevents mould and fungal growth.
Main Highlights
✅ Will help change cold walls and ceilings to warmer temperatures providing unique anti-condensation properties
✅ Water Based, Non toxic, Low VOC
✅ Helps prevent new mould and fungal growth
✅ White - Matt finish
✅Due to the slightly grainy nature of the formula we recommend you apply by roller for the smoothest finish
✅Coating is UV stable and can be applied for interior and exterior applications
✅Can be overcoated with household emulsion paints for colouring (allow to dry for 48 hours first)
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9.4
Superb
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9.4
Superb
SIRAMICO COATINGS
SIRAMICO COATINGS Anti Condensation Thermal Paint | 1 & 5 Litres - Matt White | British Made (5 Litres)
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Why we love it
Warms cold surfaces effectively.
Non-toxic and environmentally friendly.
Prevents mould and fungal growth.
Main Highlights
✅ Will help change cold walls and ceilings to warmer temperatures providing unique anti-condensation properties
✅ Water Based, Non toxic, Low VOC
✅ Helps prevent new mould and fungal growth
✅ White - Matt finish
✅Due to the slightly grainy nature of the formula we recommend you apply by roller for the smoothest finish
✅Coating is UV stable and can be applied for interior and exterior applications
✅Can be overcoated with household emulsion paints for colouring (allow to dry for 48 hours first)
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6
Thermilate InsOpaint Ultra 5L Light Blue Made in UK - Long-Lasting Insulating Anti-Damp & Anti-Mould Paint for Walls & Ceilings – Energy-Saving Emulsion Keeps Rooms Warmer in Winter & Cooler in Summer
Generic
Why we love it
Saves energy all year.
Superior texture and finish.
Dramatically reduces condensation problems.
Main Highlights
MADE IN THE UK QUALITY – Expertly crafted in the United Kingdom with advanced thermal insulation technology for exceptional energy efficiency, lasting protection, and a premium decorative finish.
ENERGY-SAVING INSULATING PAINT – Innovative 9-in-1 emulsion reduces heat loss in winter and limits heat gain in summer, maintaining indoor comfort while helping lower household energy bills.
ANTI-DAMP & ANTI-MOULD PROTECTION – Protects against damp, condensation, and black mould growth, keeping walls and ceilings cleaner, healthier, and better protected year-round.
MULTI-SURFACE APPLICATION – Ideal for all interior and exterior walls, ceilings, kitchens, bathrooms, and masonry surfaces. Suitable for both residential and commercial properties.
EASY TO APPLY & LOW ODOUR – Eco-friendly, water-based acrylic formula offers smooth coverage, quick drying, and minimal odour—perfect for both DIY decorators and professionals.
LONG-LASTING DURABILITY – Resistant to scuffs, stains, and moisture for up to 15 years. Maintains a beautiful finish and strong protection even in high-traffic or high-humidity areas.
TRUSTED WORLDWIDE BRAND – Thermilate has been trusted globally for over 25 years, applied to millions of square feet including hotels, homes, and industrial buildings worldwide.
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9.4
Superb
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9.4
Superb
Generic
Thermilate InsOpaint Ultra 5L Light Blue Made in UK - Long-Lasting Insulating Anti-Damp & Anti-Mould Paint for Walls & Ceilings – Energy-Saving Emulsion Keeps Rooms Warmer in Winter & Cooler in Summer
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Show More
Why we love it
Saves energy all year.
Superior texture and finish.
Dramatically reduces condensation problems.
Main Highlights
MADE IN THE UK QUALITY – Expertly crafted in the United Kingdom with advanced thermal insulation technology for exceptional energy efficiency, lasting protection, and a premium decorative finish.
ENERGY-SAVING INSULATING PAINT – Innovative 9-in-1 emulsion reduces heat loss in winter and limits heat gain in summer, maintaining indoor comfort while helping lower household energy bills.
ANTI-DAMP & ANTI-MOULD PROTECTION – Protects against damp, condensation, and black mould growth, keeping walls and ceilings cleaner, healthier, and better protected year-round.
MULTI-SURFACE APPLICATION – Ideal for all interior and exterior walls, ceilings, kitchens, bathrooms, and masonry surfaces. Suitable for both residential and commercial properties.
EASY TO APPLY & LOW ODOUR – Eco-friendly, water-based acrylic formula offers smooth coverage, quick drying, and minimal odour—perfect for both DIY decorators and professionals.
LONG-LASTING DURABILITY – Resistant to scuffs, stains, and moisture for up to 15 years. Maintains a beautiful finish and strong protection even in high-traffic or high-humidity areas.
TRUSTED WORLDWIDE BRAND – Thermilate has been trusted globally for over 25 years, applied to millions of square feet including hotels, homes, and industrial buildings worldwide.
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7
Wykamol Thermaldry Anti-Condensation Coating (5 Litre Single Tub)
Wykamol
Why we love it
Prevents dampness and condensation issues.
Easy to apply on walls.
Stamina for long-lasting protection.
Main Highlights
Wykamol Thermaldry Anti Condensation Coating 5 Litre Single Tub
Brand: Wykamol
Product Type :Building Material
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9.2
Superb
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9.2
Superb
Wykamol
Wykamol Thermaldry Anti-Condensation Coating (5 Litre Single Tub)
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Why we love it
Prevents dampness and condensation issues.
Easy to apply on walls.
Stamina for long-lasting protection.
Main Highlights
Wykamol Thermaldry Anti Condensation Coating 5 Litre Single Tub
Brand: Wykamol
Product Type :Building Material
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8
InsOpaint Insulating Anti Condensation Paint - Superior Protection Against Mould & Moisture | Energy Saving Thermal Paint for Walls & Ceilings | Damp Proof Paint - Dove Grey - 5L
Thermilate Technology
Why we love it
Superior strength with quality acrylic.
Unique thermal barrier reflecting heat.
Long-lasting mold and moisture protection.
Main Highlights
REDUCES HEAT LOSS – Advanced micro-ceramic insulation minimizes heat transfer through walls and ceilings, helping rooms stay warmer longer and lowering energy bills year-round.
ANTI-CONDENSATION FORMULA – Breathable acrylic coating prevents condensation build-up, reducing the risk of damp, peeling paint, and mould in humid indoor spaces.
MOULD & MILDEW PROTECTION – Anti-fungal additives inhibit the growth of mould and mildew, keeping walls fresh, clean, and hygienic for a healthier home environment.
TOUGH DURABLE FINISH – High-quality acrylic emulsion provides a strong, washable surface resistant to scratches, stains, and wear, ensuring a long-lasting decorative result.
LOW ODOUR & ECO FRIENDLY – Water-based, low-VOC composition ensures a safer and more comfortable painting experience with minimal odour and no harsh chemicals.
SMOOTH EASY APPLICATION – Thick, high-opacity formula ensures full coverage in two coats, drying quickly to an even, streak-free, professional matt finish.
MADE IN THE UK QUALITY – Expertly manufactured and independently tested to UK, EU, and ASTM standards, trusted for durability and insulation performance.
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9.1
Superb
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9.1
Superb
Thermilate Technology
InsOpaint Insulating Anti Condensation Paint - Superior Protection Against Mould & Moisture | Energy Saving Thermal Paint for Walls & Ceilings | Damp Proof Paint - Dove Grey - 5L
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Show More
Why we love it
Superior strength with quality acrylic.
Unique thermal barrier reflecting heat.
Long-lasting mold and moisture protection.
Main Highlights
REDUCES HEAT LOSS – Advanced micro-ceramic insulation minimizes heat transfer through walls and ceilings, helping rooms stay warmer longer and lowering energy bills year-round.
ANTI-CONDENSATION FORMULA – Breathable acrylic coating prevents condensation build-up, reducing the risk of damp, peeling paint, and mould in humid indoor spaces.
MOULD & MILDEW PROTECTION – Anti-fungal additives inhibit the growth of mould and mildew, keeping walls fresh, clean, and hygienic for a healthier home environment.
TOUGH DURABLE FINISH – High-quality acrylic emulsion provides a strong, washable surface resistant to scratches, stains, and wear, ensuring a long-lasting decorative result.
LOW ODOUR & ECO FRIENDLY – Water-based, low-VOC composition ensures a safer and more comfortable painting experience with minimal odour and no harsh chemicals.
SMOOTH EASY APPLICATION – Thick, high-opacity formula ensures full coverage in two coats, drying quickly to an even, streak-free, professional matt finish.
MADE IN THE UK QUALITY – Expertly manufactured and independently tested to UK, EU, and ASTM standards, trusted for durability and insulation performance.
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9
SIRAMICO COATINGS | Anti-Condensation Paint | 5 Litres - Matte White | Thermal Paint Prevents Mould & Fungal Growth up to 10 years
SIRAMICO COATINGS
Why we love it
Prevents mould and fungal growth.
Applicable over existing surfaces.
Provides thermal barrier properties.
Main Highlights
EFFECTIVE ANTI-CONDENSATION - Prevents condensation buildup on walls and ceilings by creating a thermal barrier to make cold walls warmer.
ENVIRONMENTALLY FRIENDLY - Water-based, non-odorous, non-toxic, and low VOC formula.
THERMAL BARRIER TECHNOLOGY - Unique microspheres create a thermal barrier, minimising temperature differences between cold and warm areas.
MOULD & FUNGI PREVENTION - Helps prevent the growth of mould and fungi, improving indoor air quality.
VERSATILE APPLICATION - Can be applied over existing painted walls and ceilings for easy installation.
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9.0
Superb
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9.0
Superb
SIRAMICO COATINGS
SIRAMICO COATINGS | Anti-Condensation Paint | 5 Litres - Matte White | Thermal Paint Prevents Mould & Fungal Growth up to 10 years
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Why we love it
Prevents mould and fungal growth.
Applicable over existing surfaces.
Provides thermal barrier properties.
Main Highlights
EFFECTIVE ANTI-CONDENSATION - Prevents condensation buildup on walls and ceilings by creating a thermal barrier to make cold walls warmer.
ENVIRONMENTALLY FRIENDLY - Water-based, non-odorous, non-toxic, and low VOC formula.
THERMAL BARRIER TECHNOLOGY - Unique microspheres create a thermal barrier, minimising temperature differences between cold and warm areas.
MOULD & FUNGI PREVENTION - Helps prevent the growth of mould and fungi, improving indoor air quality.
VERSATILE APPLICATION - Can be applied over existing painted walls and ceilings for easy installation.
Show More
10
Suretherm Anti Mould & Anti Condensation Insulating Glass Bubble Thermal Paint 2.5Ltrs
Suretherm
Why we love it
Superior heat retention performance.
Impressive coverage rate.
Outperforms standard emulsion paints.
Main Highlights
The best performance Insulation Anti Condensation Paint. In an independent comparison Suretherm retains its heat 113% longer than standard trade emulsion.
Coverage rate - 8 - 10m2 per litre in a one coat application.
Suretherm retains its heat 113% longer than standard emulsion.
Other brands of insulating paint are little more than emulsion paint!
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8.9
Excellent
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8.9
Excellent
Suretherm
Suretherm Anti Mould & Anti Condensation Insulating Glass Bubble Thermal Paint 2.5Ltrs
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Why we love it
Superior heat retention performance.
Impressive coverage rate.
Outperforms standard emulsion paints.
Main Highlights
The best performance Insulation Anti Condensation Paint. In an independent comparison Suretherm retains its heat 113% longer than standard trade emulsion.
Coverage rate - 8 - 10m2 per litre in a one coat application.
Suretherm retains its heat 113% longer than standard emulsion.
Other brands of insulating paint are little more than emulsion paint!
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