10 Best Exhaust Putty Sealant in The UK

Last updated on 12/08/2025

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Visbella 150g Auto Vehicle Exhaust System Sealant, Non-Slumping Professional Repair Crack Adhesive Sealer for Car Mufflers, Tailpipes, Catalytic Converters

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Why We Love It

Perfect seal against harmful fumes.
Withstands high temperatures easily.
Environmentally friendly and effective.

Main Highlights

Perfect sealing against harmful vapours: Visbella Exhaust Cement is a waterproof, thick, non-collapsing paste-like repair material. It hardens when heated and provides a perfect seal against all harmful fumes
High temperature up to 1100°C: Visbella exhaust cement hardens in heat and can withstand temperatures up to 1100°C. It hardens by evaporation of water and continues to harden when additional heat is supplied
Multiple applications: Specially formulated for mounting all joints of the exhaust system, including silencers, tailpipes, catalytic converters and more. It is also useful for similar applications that need to withstand strong heat up to 1100°C
Easy to repair and cost-efficient: easy to use, long maintenance time. No prior knowledge required. No special skills are required. Store in a cool, dry place. Store at a temperature below 25°C
Environmentally friendly: repair the exhaust pipe to avoid air pollution and noise pollution, extend the life of the car and pass the annual vehicle inspection

Permatex 80335 Muffler & Tailpipe Sealer, Exhaust Sealer Seals Holes & Leaks In Mufflers, tailpipes and around Joints, Waterproof non shrinking formula, Resists Temperatues up to 1000°C 1 x 85g

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Why We Love It

Seals holes and leaks effectively.
Enhances installation security.
Withstands extreme temperatures.

Main Highlights

Seals holes and leaks in mufflers, tailpipes and around joints
Makes new installations more secure
Resists temperatures to 2000°F (1000°C)
Waterproof, non-shrinking formula

J-B Weld 8297SPA - Putty - Metal - High Temperatures - Resin - Epoxy - Exhaust Pipes - Machinery - Engine - - Up to 232ºC - 57 g

Why We Love It

High-temperature performance guaranteed.
Versatile for demanding repairs.
Easy to use instructions included.

Main Highlights

💪️ BICOMPONENT MACHAIR - The best putty for high temperatures. Quickly repair and rebuild anything made of metal. J-B Weld, made in USA, guarantees the highest performance of an industry leading company
repairs - multiple uses for the most demanding repairs. Exhaust repairs, siliencers. Engine blocks, ducting system, machinery and high temperature projects
☘ HANDMADE WORK - Easy to use. Follow the instructions for use to get the most out of J-B Weld products
💪 EPOXI - Steel reinforced epoxy resin that is mixed manually. After 8 hours it can be drilled, machined, polished, filed and painted
METAL - Applications in aluminium, brass and bronze, copper, iron and stainless steel

Visbella 75g Auto Vehicle Exhaust System Sealant, Non-Slumping Professional Repair Crack Adhesive Super Glue Sealer for Car Mufflers, Tailpipes, Catalytic Converters

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Why We Love It

Perfect seal against fumes.
High temperature resistance.
Easy and cost-effective repairs.

Main Highlights

【PERFECT SEAL AGAINST NOXIOUS FUMES】Visbella Exhaust Cement is a thick and non-slumping paste type repair material. It will set when heated, ensuring a perfect seal against all noxious fumes
【HIGH TEMP UP TO 2012℉】Visbella Exhaust Cement sets hard with heat and can withstand temperatures up to 2012℉. It cures by evaporation of water and further cures when additional heat is applied
【MULTIPLE APPLICATIONS】Specialty formulated for the assembly of all joint of exhaust system, including mufflers, tailpipes, catalytic converters, and more. It is also useful for similar applications that are required to withstand intense heat up to 2012℉
【EASY TO REPAIR AND COST-EFFICIENT】Simple operation, long maintenance time. No experience required. No special skills needed. Store in a cool, dry place. Store in temperature below 77℉
【EASY TO REPAIR AND COST-EFFICIENT】Simple operation, long maintenance time. No experience required. No special skills needed. Store in a cool, dry place. Store in temperature below 77℉

Exhaust Repair Putty 250G Tubes Pack Qty 6

Why We Love It

Repairs leaks quickly and effectively.
Withstands extreme high temperatures.
Safe and easy to use.

Main Highlights

Repairs leaks & small holes in exhausts, pipes, silencers & expansion boxes.
Withstands up to 1000˚C.
Asbestos free.
Smooth texture for easy working
Size: 250 g Tubs

Holts HL 1831579 Gun Gum Exhaust Sealant 200g

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Why We Love It

Long-lasting and modern formula.
Repairs without dismantling.
Seals holes quickly.

Main Highlights

Gun Gum exhaust sealant has been used by motorists for many decades
Its modern and long-lasting formula makes it easy to repair your exhaust yourself quickly and inexpensively
Seals holes and cracks in the exhaust system
Repair without dismantling
Gun Gum ready-to-use sealant
In a 200 g metal tin

LIQUI MOLY Exhaust Assembly Paste | 150 g | Paste | SKU: 3342, farblos, blue

Why We Love It

Heat-resistant for durability.
Gas-proof for reliable performance.
Versatile attachments for easy installation.

Main Highlights

For a long-lasting seal on exhaust systems Heat-resistant.
Gas-proof attachment to the exhaust, end pipe, screw-on or slide-on connections and flame rings.
Model Number: 3342

Visbella Auto Vehicle Exhaust System Sealant, Non-Slumping Professional Repair Crack Adhesive Super Glue Sealer for Car Mufflers, Tailpipes, Catalytic Converters (75, Grams)

Free Shipping

Why We Love It

Perfect seal against harmful fumes.
Withstands extreme temperatures easily.
User-friendly and environmentally friendly repair.

Main Highlights

Perfect sealing against harmful vapours: Visbella Exhaust Cement is a waterproof, thick, non-collapsing paste-like repair material. It hardens when heated and provides a perfect seal against all harmful fumes
High temperature up to 1100°C: Visbella exhaust cement hardens in heat and can withstand temperatures up to 1100°C. It hardens by evaporation of water and continues to harden when additional heat is supplied
Multiple applications: Specially formulated for mounting all joints of the exhaust system, including silencers, tailpipes, catalytic converters and more. It is also useful for similar applications that need to withstand strong heat up to 1100°C
Easy to repair and cost-efficient: easy to use, long maintenance time. No prior knowledge required. No special skills are required. Store in a cool, dry place. Store at a temperature below 25°C
Environmentally friendly: repair the exhaust pipe to avoid air pollution and noise pollution, extend the life of the car and pass the annual vehicle inspection

Holts LOYPRO29A Pro Cartridge Professional Exhaust Assembly Paste, 300 ml

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Why We Love It

Achieves professional exhaust results.
Prevents gas leaks effectively.
Durable against vibration damage.

Main Highlights

Get professional results for your exhaust at home with Holts Firegum
Creates a gas tight seal to stop leaks
Resists vibration
Item Package Length: 4.9 cm

Granville 0434B Exhaust Assembly Paste Cartridge, 500 g

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Why We Love It

Ready to use immediately.
Fast-setting for quick repairs.
Temperature resistant above 1200C.

Main Highlights

Ready to use and easy to apply soft paste
Fast setting - air cures to a hard finish especially when heated
Designed to withstand temperatures >1200C
Shock and vibration resistant during service
Lubricates and seals joints during assembly

9.0

Superb

We scanned 579 products

We reviewed these offers relevant to the Exhaust Putty Sealant 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 Visbella, Permatex, J-B Weld, Mehr, Holts, Liqui Moly, Granville, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Exhaust Putty Sealant in the market, we considered we took a deep dive into 2896 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 Visbella 150g Auto Vehicle Exhaust System Sealant, Non-Slumping Professional Repair Crack Adhesive Sealer for Car Mufflers, Tailpipes, Catalytic Converters. We love many things about this product by Visbella. What sets it apart from the competition is Perfect seal against harmful fumes. , Withstands high temperatures easily. , Environmentally friendly and effective. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Permatex 80335 Muffler & Tailpipe Sealer, Exhaust Sealer Seals Holes & Leaks In Mufflers, tailpipes and around Joints, Waterproof non shrinking formula, Resists Temperatues up to 1000°C 1 x 85g by Permatex based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Exhaust Putty Sealant and the best cost-to-value ratio is Granville 0434B Exhaust Assembly Paste Cartridge, 500 gat Granville with a % discount.
Our list of the best Exhaust Putty Sealant 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 Exhaust Putty Sealant in The UK

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We scanned 579 products

We concluded that: