10 Best Heat Resistant Silicone Sealant For Stove in The UK

Last updated on 18/08/2025

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Best Choice

9.8

Exceptional

Envirograf

Envirograf Silicone Sealant Heat Proof Only Stove High Temperature 1250c Black

Why We Love It

4-hour fire protection.
Tested for safety.
Ideal for heating stoves.

Main Highlights

4 hour fire protection
This product can be used on heating stoves, but IT MUST NOT BE USED NEAR NAKED FLAMES OR HOT GASES, as this can cause the silicone to have a VERY SMALL BLUE FLAME and the silicone can turn to powder.
Tested to BS476 part 22 (1987) Tested at Fulmer Yarsley J84201/6 Tested at TRADA TFE95023 & RF 95002

2 x High Temperature Silicone Sealant Heat Resistant to 1500°C, Flues, Stoves, Glass

Why We Love It

Temperature resistance to 1500ᵒC.
Adheres to multiple surfaces.
Odorless and ready-to-use.

Main Highlights

After the final solidification, slowly heat the sealant up to +250 °C. As the result of heating, the mass will turn dark grey and become extra-hard .
Temperature resistance: up to 1500 ᵒC
Colour: Dark Grey (Black on tube)
Suitable on natural stones. Insulation of joints and filling of cracks in chimneys, ovens, fireplace and stoves. Adheres to metal, stone, brick and concrete
Odorless and ready to use, this flexible, halogen free silicone sealant is heat resistant to 1500ᵒC

Everbuild Everflex Heat Mate Sealant – High Performance Heat Resistant Silicone Sealant – Waterproof – Low Dirt Pick Up – Permanently Flexible – Black – 295ml

Why We Love It

Remains flexible in extreme temperatures.
Ideal for high-temperature areas.
Quick drying and waterproof.

Main Highlights

SUPERIOR TEMPERATURE RESISTANCE – Designed to remain permanently flexible in temperatures as high as 275°C and as low as -40°C.
IDEAL FOR HIGH-TEMPERATURE AREAS – Suitable for use in domestic and commercial chimneys, heating appliances, and more.
QUICK DRYING – Skin time 20 minutes and fully cures at a rate of 3mm per 24 hours to a waterproof seal, depending on temperature and humidity.
EASY PREPARATION – Make sure all surfaces are clean, dust and flake-free and dry. It is not suitable for use on porous surfaces like brick, concrete, stone or asphalts, brass, lead, or bitumen.
SIMPLE TO APPLY – Fit into a standard caulking gun and apply the red silicone sealant directly to prepared surfaces - the colour will make your seals easily identifiable. Also available in black.

1 x 6305453 Bison Silicone High Temp Red Heat Resistant Sealant 60ml

Why We Love It

Heat resistant up to 300°C.
Perfect for high-temperature applications.
Forms a permanent elastic bond.

Main Highlights

1 x 6305453 Bison Silicone High Temp 60ml re-sealable tube. Bison High Temp is a heat resistant silicone sealant suitable for bonding and sealing joints which are exposed to high temperatures.
Heat resistant up to max 300°C (250°C after complete cure & up to 300°C temporarily for a maximum of 1 hour).
Excellent for sealing and bonding ovens and microwave windows, heat exhaust systems such as liquid gasket in automotive applications.
Sealant may expand in contact with grease, oil, coolant or fuels. Dries red. Water, chemical and UV resistant. Dries to form a permanent elastic bond.
Adheres to glass, ceramics, metals, glazed tiles, plastic and many other materials. Great for joints and connections around ovens, microwaves, stoves, ceramic cooking rings, heat shields for fire places & flues.

BLACK HIGH TEMPERATURE SILICONE ADHESIVE SEALANT 300 ml HEAT RESISTANT 300'C "liquid gasket" new

10% Off

Why We Love It

Highly heat resistant sealant.
Bonds to various materials.
Weather and UV resistant.

Main Highlights

HIGH QUALITY BLACK SEALANT 300ºC HEAT RESISTANT - LARGE 300ml TUBE
Creates 100% rubber which leaves flexible at temperatures - 60ºC up to up to + 300ºC
Perfectly bonds to all smooth metal surfaces, alloys and casts glass, ceramics, plastic, wood,
mineral products, marble, stone,concrete etc. Replaces different kind of gaskets resistant to
UV radiation, changing weather conditions, oils, cooling liquids, petrol, and water.

Everbuild EVBPCHEATSIL Heat Resistant Silicone Sealant, Black, 310 ml

30% OffFree Shipping

Why We Love It

Ideal for high-temperature areas.
Quick drying and flexible finish.
Completely waterproof when cured.

Main Highlights

SUITABLE FOR HIGH-TEMPERATURE AREAS – Use it on domestic and commercial ovens, chimneys, gaskets and more where the temperatures reach extremes.
QUICK CURING – Dries to a tack-free skin in within 1 hour and completely cures to a permanently flexible finish at a rate of 3mm per 24 hours.
100% WATERPROOF – Once fully cured, Everbuild silicone sealant is waterproof, making it ideal for use as a gasket sealant.
TEMPERATURE RESISTANCE – Heat stable up for short-term use at 275°C and continuous use at temperatures of 250°C.
EASY TO APPLY – Insert the cartridge into a standard sealant gun, snip the tip and apply.

VITCAS Heat Resistant Silicone - Excellent Adhesion - Glass and Glazed Surfaces - Enamel Ceramics - Impregnated and Painted Wood – Plastics - Flexible Sealant - Designed for Joints - Black Finish - 310ml

4% OffFree Shipping

Why We Love It

Excellent adhesion to surfaces.
Easy to apply.
Black finish available.

Main Highlights

EXCELLENT ADHESION: The VITCAS heat resistant sealant will provide you an excellent adhesion, which is designed for the Sealing or fixing ceramics, glass and metal, sealing other silica based materials.
EASY TO APPLY – The VITCAS Heat Resistant SILICONE can be Apply using a cartridge gun, further heat resistant sealant comes in a smooth paste, which you can directly apply to the cracked area and it will get strengthen up once it comes in contact with open air.
APPLICABLE –The VITCAS Heat Resistant SILICONE has a BLACK finishing and Excellent adhesion to most building materials, Glass and glazed surfaces, Enamel Ceramic, Impregnated and painted wood or Plastics.
METHOD FOR APPLYING - The VITCAS Heat Resistant SILICONE Before applying the fire cement make sure to clean all the dirt and dust, then dampen the area of application and then apply using a cartridge gun.
DIMENSION - 23 x 6 x 5 cm; 360 Grams.

High Temperature Silicone Sealant Heat Resistant to 1500°C, Flues, Stoves, Glass - DIYUK®

Why We Love It

Extra-hard and durable finish.
Exceptional temperature resistance.
Versatile application uses.

Main Highlights

Odourless and ready to use, this flexible, halogen free silicone sealant is heat resistant to 1500ᵒC and reacts with atmospheric moisture to form a durable flexible seal. Ideal for high temp applications such as sealing connections between single skin flue pipes and can be used outside on the Flashing.
Colour: Dark Grey (Black on tube). Temperature resistance: up to 1500 ᵒC
After the final solidification, slowly heat the sealant up to +250 °C. As the result of heating, the mass will turn dark grey and become extra-hard. Limitations: Not suitable in moving joints and in contact with materials that expand or contract when exposed to temperature. Unheated product is not waterproof and will spread in a wide joint.
Suitable on natural stones. Insulation of joints and filling of cracks in chimneys, ovens, fireplace and stoves. Adheres to metal, stone, brick and concrete
Apply sealant in the joint by repeatedly and evenly pressing on gun trigger and smoothly dragging the nozzle along the joint. After application, smooth the surface with a rubber silicone scraper or putty knife and remove excess material. In some cases, it is more convenient to use plaster spatula.
DYIUK Quality

Heat Resistant Glue, 100ml High Temp Silicone Sealant Kit with 2.5m Silicone Oven Door Gasket Seal, Universal Black Sealant for Stoves, Fireplaces, Wood Burners, Chimney, Grills, Furnace (Black)

Free Shipping

Why We Love It

Heat resistant for harsh environments.
Quick drying for fast application.
Perfect for home and professional use.

Main Highlights

High Temp Silicone Sealant: Crafted from premium materials, this heat resistant glue withstands extreme temperatures from -50°C to 250°C. It’s waterproof, weather-resistant, and delivers reliable performance in harsh environments
Quick Drying & Long-Lasting: Dries to the touch in just 5 minutes and cures fully in 24-48 hours. The fast-curing formula resists cracking, peeling, and shrinking—ensuring a strong, lasting seal
Multipurpose Application Silicone Sealant: Perfect for sealing gaps in stoves, ovens, fireplaces, log burners, industrial ovens, drying units, boilers, and more. Ideal for home and professional use
Complete Kit for Easy Installation: The black silicone sealant includes everything you need: 100ml gasket black sealant, 2.5m silicone oven door gasket rope, protective gloves, and step-by-step instructions. Ensure surfaces are clean and dry, cut the seal to length and apply adhesive evenly to one surface and then press the seal and glue together and allow to cure
Enhance Efficiency & Reduce Heat Loss: Proper sealing reduces smoke leakage, retains heat, and boosts energy efficiency. Create a safer and more efficient heating system in minutes with our oven door sealant

BLACK HIGH TEMPERATURE HT SILICONE ADHESIVE SEALANT 70ml HEAT RESISTANT 300'C

Free Shipping

Why We Love It

Versatile bonding on various surfaces.
Resilient in extreme temperatures.
Resistant to various elements.

Main Highlights

HIGH QUALITY BLACK SEALANT 300ºC HEAT RESISTANT HERMETIC
Creates 100% rubber which leaves flexible at temperatures - 60ºC up to up to + 300ºC
Perfectly bonds to all smooth metal surfaces, alloys and casts glass, ceramics, plastic, wood,
mineral products, marble, stone,concrete etc. Replaces different kind of gaskets resistant to
UV radiation, changing weather conditions, oils, cooling liquids, petrol, and water.

8.7

Excellent

We scanned 1319 products

We reviewed these offers relevant to the Heat Resistant Silicone Sealant For Stove within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Envirograf, TITANIUM PRO, Everbuild, Bison, Technicqll, VITCAS, Galitoon, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Heat Resistant Silicone Sealant For Stove in the market, we considered we took a deep dive into 6596 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Envirograf Silicone Sealant Heat Proof Only Stove High Temperature 1250c Black. We love many things about this product by Envirograf. What sets it apart from the competition is 4-hour fire protection. , Tested for safety. , Ideal for heating stoves.
The best value product for most shoppers and where user satisfaction is continuously the highest is 2 x High Temperature Silicone Sealant Heat Resistant to 1500°C, Flues, Stoves, Glass by TITANIUM PRO based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Heat Resistant Silicone Sealant For Stove and the best cost-to-value ratio is Everbuild EVBPCHEATSIL Heat Resistant Silicone Sealant, Black, 310 mlat Everbuild with a 30% discount.
Our list of the best Heat Resistant Silicone Sealant For Stove is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Heat Resistant Silicone Sealant For Stove in The UK

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We concluded that: