Top 8 Radiator Repair Sealant UK – Sealers

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Instant Repairs for Pipes, Tanks & Cylinders, EVO-STIK Plumber's Mait Quick Leak Repair Putty, Radiators, 50g, Waterproof

EVO-STIK #ad - Contents: 1x evo-stik plumber's Mait Quick Leak Repair Putty, 50g. Can be applied to damp or wet surfaces, Waterproof and chemical resistant, Resists temperatures up to +150°C. Ideal for bonding to copper, fibre glass, aluminium, brass, steel, acrylic and porcelain. Easy to apply - when dried it can be drilled, sanded, machined and painted. Strong, radiators, waterproof and fast setting epoxy putty designed for long lasting emergency plumbing repairs to leaking pipes, tanks and cylinders.
BrandEVO-STIK #ad
ManufacturerBostik #ad
Height20.3 cm (7.99 Inches)
Length11.4 cm (4.49 Inches)
Weight0.05 kg (0.11 Pounds)
Width3 cm (1.18 Inches)
Part Number30812665
WarrantyNo guarantee

2. CosWarm


Boiler Leak Repair & Sealant, Treats Up to 18 Radiators, Stops Minor Leaks & Weeps, Stops Leak, Fixes Pressure Loss & Leaking Pipes, CosWarm CW4 Central Heating Leak Sealer

CosWarm #ad - It does not interfere with the working of your central heating systems and you won’t have to shut down the systems before or while using it. Super concentrated formula: our boiler and central heating system leak stopper can treat up to 18 single radiators, a 150-litre system.

Stops small leaks & fixes pressure loss: cw4 leak sealer seals all the small and inaccessible leaks, thus saving time and money in draining down and repairing cost. It is easy to use, i. E. Just pour it in the system according to the instructions and let it work. Safe to use around people, the boilers & thE ENVIRONMENT: Our non-toxic radiator leak sealer is a safer alternative compared to other toxic, chemical formulas. Harmless for metals: there are many leak sealant chemicals that are not friendly when they come into contact with metals.

The product can be left in the system permanently. Safe for you, it won’t harm mother nature either. Our boiler leak sealant also helps in fixing pressure loss due to minor leaks from central heating systems. Convenience at its best: our leak sealer and stopper makes minor repairs in the boiler a breeze. Cw4 leak sealer liquid is suitable for use with all the metals and materials, including steel, ferrous metals, copper and aluminium.
BrandCosWarm #ad
ManufacturerCosWarm #ad
Part NumberCosWarmCW4



White, Enamel Repair for Kitchen Appliances, Radiators, Fridges, Metals, Showers & Sinks, Bathrooms, JENOLITE Kitchen & Bathroom Enamel Repair + Touch Up Paint, 20ml

JENOLITE #ad - Made in Great Britain. Touching up scratches, defects & minor damages on kitchen, bathroom fixtures and appliances. Bathroom & Kitchen Enamel Repair. Instantly fix scratches and Chips on Radiators, Ovens, Fridges, Baths, Showers and Sinks. A quick drying, long lasting, enamel formula provides the ultimate smooth white finish. Suitable for use on – porcelain, Ceramic, Acrylic, Fibreglass,, Enamelled Cast Iron and Steel.

4. Polar Specialist Coatings


Instant Repair & Long Lasting Protection, Polar S1 Superior Clear Leak Sealer Spray, Interior & Exterior Use, 400ml, Ideal for Drain & External Pipe Leaks & Cracks, Tough Waterproof Sealant

Polar Specialist Coatings #ad - Long lasting protection - specifically designed with a rubberised protective formula. Plastic and external drain pipe sealant. Stop leaks fast, external pipes & windows. Allow 24 hours to dry, without compromising on the quality and performance. For emergency fixes - quickly and easily repair cracks and leaks on gutters, which is ideal for emergency work on a wide range of surfaces.

Instant waterproof - polar leak sealer spray provides an instant waterproof seal with excellent resistance to weathering and a high covering power. Our easy to apply formula delivers instant protection, with our waterproofing spray that gets to work right away. Not only gives instant repair to leaks and cracks, but also provides a long lasting protection. Our leaksealer offers high performance, long-term waterproof & corrosion protection. Apply a minimum 2-3 coats, for maximum paint hardness.

Multi-purpose use for interior & exterior surfaces - can be used on interior and exterior surfaces to seal fine leaks and cracks for a wide variety of applications such as metal, PVC, roofs, plastic, gutters, wood, ceramics, external drain pipes and much more. Our leak sealer comes in a variety of colours; Clear, White or Black. Effective against window and external water pipe leaks & cracks. Easy to use - the spray formulation makes leak sealer easy to use and ideal for application on all outdoor repair work, leaving 10-15 minutes between applications.
BrandPolar Specialist Coatings #ad
ManufacturerPolar Protective Products #ad
Height18 cm (7.09 Inches)
Length18 cm (7.09 Inches)
Weight0.34 kg (0.75 Pounds)
Width7 cm (2.76 Inches)
Part NumberLEAKSEAL1209

5. Technicoll


Black HIGH Temperature Silicone Adhesive SEALANT 20ml Heat Resistant 300'C New

Technicoll #ad - High quality black sealant 300ºc heat resistant. Replaces different kind of gaskets resistant to. Perfectly bonds to all smooth metal surfaces, alloys and casts glass, plastic, wood, ceramics, . Uv radiation, petrol, cooling liquids, oils, changing weather conditions, and water. Creates 100% rubber which leaves flexible at temperatures - 60ºC up to up to + 300ºC. Mineral products, marble, stone, concrete etc.
BrandTechnicoll #ad
ManufacturerTechnicqll #ad
Part NumberFO-C0DU-2R8G_SML

6. VELCRO Brand


50g Tube. Hard Long Lasting Bonding Putty for Durable Bonding and Repairs, Araldite Repair Putty, Extremely Hard Setting Filler Solution with High Temperature Resistance

VELCRO Brand #ad - Easy to use; clean and dry both surfaces, activate by kneading the putty until streak-free gloves recommended, apply to the surface and work in gaps; For optimal bonding, cut off the required amount of putty, slightly roughen surface.

Nature-friendly universal gap filler; environmentally friendly formulated two part epoxy putty with easily recyclable packaging; Store the sealer and adhesive putty stick in the plastic blister after use and keep in a dry place at room temperature. Multi-purpose putty; made to create a strong bond that will last, tanks, tools and equipment, this plastic cement putty is suitable for most materials and recommended for metal pipes, guttering, radiators, and stripped threads.

Hard setting filler; a solvent-free, filled, painted, multi-purpose repair putty for durable bonding and repairs that can be drilled, or sanded; This is perfect as a sealant or for craft kits and complicated jobs. Tough epoxy adhesive; this epoxy putty will create a tough and durable bond that can withstand high temperatures -40°C to 120°C, rough handling, and can be sanded and painted after 72 hours; Do not use as a rear view mirror adhesive.
BrandVELCRO Brand #ad
ManufacturerVelcro Ltd #ad
Height10.16 cm (4 Inches)
Length2.54 cm (1 Inches)
Weight0.07 kg (0.15 Pounds)
Width7.62 cm (3 Inches)
Part NumberARA-400015

7. Pro-Kleen


Tough Leak Sealant Spray for Roofs, Guttering & More, Instant Emergency Repair 400ml, Pipes, Pro-Kleen Instant Waterproof Sealant Spray, Transparent & Long-Lasting Formula

Pro-Kleen #ad - Stops leaks and drips: our easy to use sealant spray stops leaks and drips with ease. Remains flexible and pliable for years to come: Once dry, this sealant spray remains flexible and pliable for years to come! The formula is super long-lasting to prevent drips and leaks from returning after use.

Transparent formula: there’s no need to worry about Pro-Kleen’s sealant spray leaving behind an unappealing mark as it dries completely transparent. Whether you’re needing to fix a leaking roof or window – this is the product for you! Safe for a variety of surfaces: this versatile formula is suitable for using on guttering, pipework, windows, drains, roofs and other leaking areas. Waterproof formula: the watertight formula dries completely waterproof. Use our pipe sealant spray for a quick and easy fix for those pesky leaks and drips on a variety of indoor and outdoor surfaces.

This means you can use it on with complete peace of mind. Whether you have a leak in your guttering, drain and much more, pipework, this Pro-Kleen leak sealer provides a trustworthy and easy solution to seal the leak quickly and efficiently. It’s super tough and robust, making it perfect for indoor and outdoor use. It’s an easy to use formula that’s perfect to use for emergencies when you need to stop leaks quickly.
BrandPro-Kleen #ad
ManufacturerPro-Kleen #ad
Part NumberMYINSWP400



400ml, BLACK, JENOLITE Stop Leak Sealer Spray, Waterproof sealant, Fills, Seals & Stops Leaks

JENOLITE #ad - Suitable for the quick repair of guttering, windows, pipework, drains, roofs and other leaking areas. Dries to create a waterproof seal. Completely waterproof and corrosion resistant surface. Remains flexible & pliable for years after use. Waterproof seal stops leaks and drips fast.
ManufacturerJENOLITE #ad
Part Number89090
ModelBlack 1