20% discount
£ 11.99 £ 14.99
The Award Winning Steel Seal
Steel Seal
£ 37.99
free delivery
C-Tec-Hanicks Leak Sealer 250ml, Seals All Minor leaks and Weeping Joints in Heating Systems, Compatible with C-Tec for All Metals Including Aluminium, Will not Cause blockages in The Heating System
Hanicks
£ 30.00
free delivery
LavaTap – Fernox F4 Express Leak Sealer 400ml - Central Heating Leak Sealer Spray for Radiator and Pipe Leak Repair, Stop Leak Solution for Sealed Systems
30-Second Application Applies in just 30 seconds with no system drain-down required, helping you quickly seal leaks and restore pressure with minimal disruption.
£ 35.99
free delivery
Granville Ce-Lit Radiator Stop Leak Cement Sealant Powder (1)
Granville
£ 3.69
free delivery
Gorilla Mould Resistant Sealant Clear 80ml
FAST SET - Can be exposed to water after just 30 minutes
£ 8.99
free delivery
Holts Sealit Professional Permanent Car Radiator & Coolant Leak Repair 250ml
Generic
£ 19.99
free delivery
Holts WW500 Wondarweld, 500 ml
Holts
£ 16.99 £ 17.57
Pro-Kleen Instant Waterproof Sealant Spray - Tough Leak Sealant Spray for Roofs, Pipes, Guttering & More - Transparent & Long-Lasting Formula - Instant Emergency Repair (2 x 400ml)
STOPS LEAKS AND DRIPS Our easy to use sealant spray stops leaks and drips with ease. It s an easy to use formula that s perfect to use for emergencies when you need to stop leaks quickly. Whether you have a leak in your guttering, pipework, drain and much more, this Pro-Kleen leak sealer provides a trustworthy and easy solution to seal the leak quickly and efficiently
£ 15.95 £ 17.90
Holts SEALit Leak Repair 250ml - Professional Radiator & Coolant Leak Sealer for Engine, Cylinder Head, Head Gasket, Freeze Plugs, Water Pump Gaskets, Radiators Red - 1 Pack 250ml
Professional Leak Repair Seals leaks in engine blocks, cylinder heads, head gaskets, freeze plugs, and water pump gaskets quickly and permanently.
£ 19.99
free delivery
Corgi TRIPCON5-C Concentrated Central Heating Leak Sealer - Clear
Corgi
£ 10.95
JENOLITE Stop Leak Sealer Spray | CLEAR | 400ml | Leak Sealer for Gutters and Flat Roofs | Waterproof Gutter Sealant | Fills, Seals & Stops Leaks | Long Lasting Waterproof Sealant
ULTIMATE WATERPROOF SEALANT Stop Leak Sealer Spray provides advanced, long-lasting leak protection for gutters, flat roofs, and more. Jenolite's waterproofing sealant can be trusted to act as an instant leak sealer. Perfect for fast-fix repairs and protection for guttering, flat roofs, shed roofs, drain pipes, caravans and more.
£ 12.99
free delivery
Carlube Radiator Sealer 500ml – Fast Leak Repair, Prevents Future Leaks, Safe & Compatible with All Antifreeze
Carlube
£ 10.62
free delivery
Fernox 603022 Ls-X Leak Sealer External, 50 g
Fernox
£ 6.81
free delivery
GREEN DEMON Professional Quality Head Gasket & Block Repair, 473ml | Ceramic Reinforced Sealer | Advanced & Fast DIY Permanent Coolant Leak Seal & Fix | Engine/Cylinder Sealant for Cars, SUVs & Trucks
GREEN DEMON
£ 49.95
free delivery
Coopers of Stortford - Clear Spray and Seal, Fast-Drying Watertight Sealant - Flexible, Long-Lasting Seal Spray, Suitable for Various Surfaces - Invented and Made in the UK, 500ml
Cost-Effective Avoid expensive professional repairs by using this easy-to-apply spray, which seals leaks in pipes, gutters, drains, roofs, walls, and windows.
£ 11.99
free delivery
5in1 Radiator Stop Leak 310ml
5in1
£ 9.65
Drybase Plug 7.5 Kg plugging compound - Stop Water Leaks in just 30 seconds
Drybase
£ 49.98
free delivery
Bardahl Radiator Leak Stop (Radiator Leak Sealer) 300 ml
Bardahl
£ 31.90
free delivery
JENOLITE Epoxy Putty Repair Stick | COPPER | Copper Pipe & Tank Repair | Ideal For Plumbing Emergencies | Repair Leaking Hot Lines & Other Plumbing Issues | 112g (7 Inches)
FAST FIX EPOXY PUTTY Waterproof repair for leaking water lines and other plumbing problems (cures in approx 60 minutes)
£ 13.10
free delivery
Pro Line Radiator Stop Leak Coolant System Sealant 5x250ml
Compatible with conventional coolants and antifreezes
£ 59.49
free delivery
Power Maxed Radiator Stop Leak & Coolant Leak Repair 250ml - Cooling System Sealant for Radiators, Heater Cores & Gaskets - Compatible with All Antifreeze & Coolant - Fast Acting Treatment
Power Maxed
£ 13.99
free delivery
Bar's RHZ1M20-82 Radiator Stop Leak Powder 25gr
Bars
£ 5.87 £ 6.01
Epoxy Putty, Endhokn 300g White Putty Stick Fix Leaks, Cracks and Fill Holes, Sculpting, Modeling, Epoxy Sculpt Clay for Metal, Ceramics, Plastic, Wood, Tile, Concrete
Multipurpose 2 Part Epoxy Putty White epoxy putty sticks meet underwater and above repair needs. Epoxy fillers can fix cracks, leaks, and fill repair holes, gaps, uneven surfaces. All purpose putty is an ideal choice for both home and industrial use
£ 12.99
free delivery
Mehr Fixt Radiator Stop Leak 325ML For Petrol and Diesel Engines Pack Qty 6
Suitable for petrol and diesel engines.
£ 33.85
free delivery
EVO-STIK Sanitary Silicone Sealant Clear - For Kitchens and Bathrooms - Waterproof & Mould Resistant
EVO-STIK
£ 4.52
free delivery
LM 1005 Oil Leak Stop 300 ml
Liqui Moly
£ 12.72
DWChemicals TEC 2000 Radiator Flush Leak Car Motorcycle Antifreeze Coolant System Repair (1)
quickly cleans dirty automotive cooling systems
£ 13.99
free delivery
LOCTITE 55 Pipe Thread Sealant, Non Curing Plumbers Tape for Plumbing Pipes and Fittings, Reliable Fast Action Cord for Metal and Plastic, 160m
Loctite
£ 15.60
FERNOX Central Heating Leak Sealer F4 Express 400ml - Fast Results - 30 sec - (Replacement 58232)
Item comes with 3 nozzles for application
£ 28.12
free delivery
Permatex 59235 High Temperature Thread Sealant: Locks & Seals Threaded Fittings, Resistant to Leakage, Vibration Loosening, Moisture, Hydraulic Fluids, Diesel Fuels, Easy Assembly and Disassembly 50ml
Permatex
£ 15.95 £ 16.95
Adey MCXS - External Leak Sealant & Jointing Compound,50ml
Fully WRAS approved
£ 6.73
Gorilla Waterproof Coat & Seal Black 946ml
*May not work for all types of plastic or rubber. Product is intended for localised usage, it is not designed to coat large surface areas.
£ 22.00 £ 32.00
Car Radiator Stop Leak Sealant Antifreeze Coolant Repair Additive 325ml
Generic
£ 11.49
free delivery
52% discount
VITCAS 1Ltr Central Heating Internal Leak Sealer Ideal for Drain plastic tanks, micro bore Cracks-all metals- Instant Repair -Long Lasting Protection-all metals
STOPS MINOR LEAKS - VITCAS Central Heating Leak Sealer seals all the small and remote leaks, will save time, energy and money in draining down and repairing cost.
£ 6.17 £ 12.81
Cooler leak stop 325 ml
Prevents blockages in the cooling system
£ 12.25
free delivery
ProSeal 62020 Instant Gas Tank and Radiator Repair
Pro Seal
£ 6.99
free delivery
Iron Seal Head Gasket Sealer, fixes most leaks in all types of water cooled engine including cracked heads, head gasket failures, cracked blocks, radiators, heater cores and water pumps.
IRON SEAL ' Powerful Leak Repair Formula Professional chemical sealant designed to stop leaks in radiators, engine blocks, water pumps, and cooling systems. Proven Performance Trusted by mechanics and drivers, with over 20,000 units sold since 2015. Versatile Application Suitable for cars, vans, trucks, and other internal combustion engines. Easy to Use Simple pour-in treatment; no dismantling required, saves time and money on repairs. Long-Lasting Protection Prevents and repairs leaks while helping to extend engine and cooling system life.
£ 32.99
free delivery
Bar's Manual Transmission Treatment
Bars
£ 11.00
free delivery
RYYN® Holts Sealit Coolant Leak Repair Stops Radiator Head Gasket Engine Block Leaks Permanently Antifreeze Compatible Fast Acting
RYYN
£ 22.99
free delivery
Protecton Radiator stop leak 300ml
Protecton
£ 7.25
7% discount
High temperature silicone sealant, silicone sealing compound, heat-resistant sealant for household, car, vehicles, ovens, oven window glazing, electric cookers, stove hobs, cooking surfaces, oil pan, gasket, engine, gearbox, fan pumps, boiler, air conditioners, dryer 85 g + 350 °C, black tube.
ZentimeX
£ 7.99 £ 8.59
ADHES Butyl Tape Waterproof Tape Aluminum Foil Tape Sealan Tape,5cm x 5m,for RV Repair, Window, Silicone, Boat and Pipe Sealing, Glass & EDPM Rubber Roof Patching, Silver (5cm x 5m)
High Environmental Adaptability AHDES butyl tape aluminium foil tape is adapt to most kinds of weather. Work well on metal, tiles, shingle, aluminum, galvanized steel, gypsum board, wood, fiberglass, brick, concrete and etc. Your ideal tool for Home, Auto, Outdoors and etc.
£ 9.99
free delivery
Easylife Leak Sealer Spray - Waterproof Mastic Sealant for Gutter, Pipe, Roof & Window Leaks, Heavy Duty Spray Sealant for Home Repairs, DIY Leak Repair, Stops Water Fast, 500ml
easylife lifestyle solutions
£ 14.99
free delivery
Sentinel Leak Sealer 1L, Seals All Minor leaks and Weeping Joints in Heating Systems, Suitable for All Metals Including Aluminium, Will not Cause blockages in The Heating System
Sentinel
£ 17.00
11% discount
Thread Lock Blue and Red, Threadlocker Medium and High Strength, Gap Filling, Lock & Seal Nuts, Bolts, Fasteners and Metals, Stable and Anti-Rust (UK10ML-B01)
Bondtech
£ 6.39 £ 7.19
Drybase Plug 3 Kg plugging compound - Stop Water Leaks in just 30 seconds
Drybase
£ 38.16
free delivery
Fernox Central Heating Leak Sealer F4 500ml
Fernox
£ 18.00
Fermit V11020Plastic fermit White, Permanent Plastic sealant, Temperature Resistant up to Over 100 °C
Fermit
£ 4.94 £ 5.18
Wynn's 45641 Cooling System Stop Leak 325ml
Wynn's
£ 7.69
RYYN® Holts Radweld Radiator Leak Sealer 250ml Stop Cooling System Repair Permanent Seal Fix Antifreeze Compatible Coolant Emergency Automotive Quick Pour Go Vehicle Maintenance
EFFECTIVE LEAK REPAIR Quickly targets seeks out small leaks cracks holes within vehicle radiator cooling system components providing reliable effective solution stop coolant loss prevent potential engine overheating saving costly garage repair bills essential preventative maintenance roadside emergency situations keeping car running smoothly reliably maintaining optimal performance longer periods.
£ 13.99
free delivery
Epoxy Putty, Repair Epoxy Putty Stick Metal Filler Pipe Repair Hard Plastic Ceramic Fibreglass Stone Glass Hole Filler, Bonding Leaks Putty Repair Waterproof Quick Fixes
High-quality materials Good insulation after curing, do not soften when exposed to water, no food contact
£ 7.99
free delivery
Pro-Kleen Instant Waterproof Sealant Spray - Tough Leak Sealant Spray for Roofs, Pipes, Guttering & More - Transparent & Long-Lasting Formula - Instant Emergency Repair (4 x 400ml)
STOPS LEAKS AND DRIPS Our easy to use sealant spray stops leaks and drips with ease. It s an easy to use formula that s perfect to use for emergencies when you need to stop leaks quickly. Whether you have a leak in your guttering, pipework, drain and much more, this Pro-Kleen leak sealer provides a trustworthy and easy solution to seal the leak quickly and efficiently
£ 26.95
free delivery
Everbuild PLUMBGWE-EBD Plumbers Gold Sealant and Adhesive with Mould Shield, White, 290 ml
Everbuild
£ 6.28
ADHES Butyl Tape Waterproof Tape for Leak 47 mil Thick, 2 inch x 16 feet, Aluminum Foil Tape Sealant tape for outdoor Roof Repair, Silicone, Boat and Pipe Sealing
Weather-resistant Resistant to UV rays, moisture, and harsh weather conditions, our butyl tape provides reliable protection against leaks and corrosion.
£ 12.99
Bar's Automatic Transmission Stop Leak
Bars
£ 10.00
free delivery
Car Radiator Stop Leak Sealant Antifreeze Coolant Repair Additive 2x325ml
One bottle treats up to 12 liters of coolant.
£ 18.49
free delivery
Kudos-Trading - Fernox F4 Express Leak Sealer 400ml Aersol Can Reduces Small Leakage From Your Heating System Of 130 Litres Plumbers DIY Home Owners.
Long-lasting effectiveness Once applied, the Fernox F4 Leak Sealer Express provides a long-term solution to leaks. Its robust formulation allows it to withstand the regular functioning of your heating system, maintaining its sealing properties over an extended period.
£ 26.99
free delivery
11% discount
J-B Weld 2120 Radiator Repair Kit
J-B Weld
£ 17.99 £ 20.14
Facom 006012 Anti-Leak Engine Cooling System Radiator Sealant 250ml
Facom
£ 7.15
SIRAMICO COATINGS Leak Stop Clear Instant Waterproof Leak Sealer | 500ml | Perfect Paint for Flat and Pitched Felt, Shed & Garage Roofs | Easy to Apply & Fast Dry
SIRAMICO COATINGS
£ 16.99
free delivery
Pro-Kleen Instant Waterproof Sealant Spray - Tough Leak Sealant Spray for Roofs, Pipes, Guttering & More - Transparent & Long-Lasting Formula - Instant Emergency Repair (3 x 400ml)
STOPS LEAKS AND DRIPS Our easy to use sealant spray stops leaks and drips with ease. It s an easy to use formula that s perfect to use for emergencies when you need to stop leaks quickly. Whether you have a leak in your guttering, pipework, drain and much more, this Pro-Kleen leak sealer provides a trustworthy and easy solution to seal the leak quickly and efficiently
£ 22.95
free delivery
Simple Wide Seal Tape for Bathroom Clear Acrylic Self Adhesive Sealant Waterproof Anti Mould Sealing Strip for Kitchen Sinks, Bathtub, Worktop Edging - 3cm×5m
Premium Quality Crafted from high-grade acrylic, our bath sealant tape offers superior adhesion compared to standard PVC. It's exceptionally strong, flexible, waterproof, moisture-resistant, oil-resistant, and built to last.
£ 6.99
free delivery
ERRECOM Extreme White - 12 mL, Refrigerant Leak Stop for Refrigerators with hermetic compressor and R600 - R290 – R134a, 1/4 SAE adapter included
ERRECOM
£ 14.52
Holts LOYRW2R Radweld Cooling System Stop Leak & Radiator Repair 250ml
Holts
£ 1.00
free delivery
12 x Holts Radweld 250ml Radiator Sealer Stop Leak Repair
Holts
£ 56.50
free delivery
151 Stop That Leak Repair Spray
151
£ 5.68 £ 6.11
TAPEBEAR Butyl Tape White 12mm x 9m, 3mm Thick RV Tape Sealant Waterproof, White Butyl Caulking Tape, Stretchable Butyl Sealant Tape Headlight Sealant Putty Tape EPDM Auto RV Window Sealant
TAPEBEAR
£ 10.99
J-B Weld 8297 HighHeat Temperature Resistant Epoxy Putty Stick, Machine Gray, 2oz
J-B Weld
£ 4.69
LIQUI MOLY Pro-Line Radiator Stop Leak K | 250 ml | Cooler additive | SKU: 5178, red
Liqui Moly
£ 12.12 £ 13.49
Bar's Power Steering Stop Leak
Bars
£ 14.99
Wynn's Radiator Stop-Leak - Seals Radiator & Head Gasket Leaks - Prevents Corrosion & Rust - Compatible with All Coolants/Antifreeze & OAT Fluids - Safe for Hoses & Sensors - 325ml
Wynn's
£ 6.29 £ 6.49
Wynns Radiator Stop Leak Stops And Prevents Leaks 325ml
* Improved corrosion and rust protection.
£ 11.20
free delivery
LUPO Inflatable Puncture Repair Kit | Universal Puncture Repair Glue For Inflatable Pools, Hot Tubs, Boats, Kayaks, Canoes, Air Beds & More | Liquid Rubber Repair Patch | Ultimate Strength PVC Glue
WATERPROOF & UV-RESISTANT Once cured, this puncture repair glue creates a 100% waterproof seal that performs flawlessly in both fresh and saltwater. Its UV-resistant formula ensures long-lasting protection, preventing degradation from sun exposure, whether on a lake, ocean, or under direct sunlight.
£ 5.99
EVO-STIK Plumber's Mait 750g - Non-Setting Putty for Sanitary Joints - Permanant Flexibility - Waterproof
EVO-STIK
£ 4.29
free delivery
LIQUI MOLY 2533 Radiator Stop Leak
Liqui Moly
£ 7.86
free delivery
Gorilla Heavy Duty White Grab Adhesive 200ml Tube – All-Purpose, Ultra-High Strength, Holds Instantly, 100% Waterproof & temperature resistant
ULTRA HIGH STRENGTH GORILLA Grab Adhesive grabs virtually anything instantly. Heavier objects may require support. The flexible, gap filling formula provides a long-lasting, heavy-duty bond. even easier to use - no cartridge gun needed.
£ 8.80
free delivery
Pro Line Radiator Stop Leak Coolant System Sealant 3x250ml
Compatible with conventional coolants and antifreezes
£ 37.49
free delivery
SIRAMICO COATINGS Instant Leak Sealer | 400ml - White | Waterproof UV Stable Sealant | Ideal for Drains & External Pipes and Guttering Leaks & Cracks
INSTANT LEAK REPAIR - Quickly seals leaks and cracks in most household surfaces, including roofing surfaces such as felt, bitumen, garages and sheds.
£ 11.99
free delivery
Spray & Seal Leak Fix Stop Sealant Instant Waterproof Gutter Roof Pipe - Black
Rapide
£ 5.95
free delivery
Trident - Central Heating Leak Sealer - Seals Pin Hole Leaks and Weeping Joints - Suitable for All Metals Including Aluminium - Effective in 24 Hours - 500ml
Trident
£ 11.90
free delivery
EVO-STIK Plumber's Mait Quick Leak Repair Putty 50g - Instant Repairs for Pipes - Radiators - Tanks & Cylinders - Waterproof
Ideal for bonding to copper, brass, steel, aluminium, fibre glass, acrylic and porcelain
£ 7.49
free delivery
Holts Radweld Radiator Sealer & Stop Leak - 250ml
Holts
£ 9.00
free delivery
Holts Radweld Radiator and Coolant System Leak Repair 250ml No
Holts
£ 4.18
Pipe Thread Sealant - Anaerobic Sealant for Metal Pipes, Gaskets, Fittings & Threaded Joints - Medium Viscosity, High Pressure Resistant, Oil-Proof & Removable (50ml)
REMOVABLE - Metal pipe sealant allows disassembly with standard tools, ideal for maintenance and adjustments
£ 12.99
free delivery
Pro Line Radiator Stop Leak Coolant System Sealant 250ml
Generic
£ 15.99
free delivery
Clear Silicone Sealant | Multipurpose Waterproof Silicone Sealant CLEAR | Transparent Bathroom & Kitchen silicon sealant x 2 70g Tubes
Easy Application Comes in ready-to-use tubes with a precision nozzle for easy application, ensuring a smooth, even seal without the need for professional tools AND NO GUN NEEDED! Multipurpose Waterproof Clear Silicone Sealant.
£ 4.85
Car Radiator Stop Leak Rad Cooling System Repair Seals Leaks 250ml
Generic
£ 10.99
free delivery
Holts Radweld Plus New Formula 250ml
Holts
£ 11.55 £ 12.61
Pro Line Radiator Stop Leak Coolant System Sealant 2x250ml
Compatible with conventional coolants and antifreezes
£ 26.49
free delivery
INSTANT LEAK SEALER CLEAR - 400ml - Instant Waterproof Sealant - Ideal for Drain & External Pipes and Guttering Leaks & Cracks - UV Stable - Interior & Exterior Use
INSTANT LEAK REPAIR - Quickly seals leaks and cracks in most household surfaces, including roofing surfaces such as felt, bitumen, garages and sheds.
£ 11.99
free delivery
Spray & Seal Leak Fix Stop Sealant Instant Waterproof Gutter Roof Pipe - White
Capacity 300 ml.
£ 4.74 £ 5.03
Car Radiator Stop Leak Rad Cooling System Repair Seals Leaks 4x250ml
Generic
£ 27.99
free delivery
Wynn's Radiator Flush - Acid-Free Dual Action Formula Removes Rust, Scale, Oil & Deposits - Compatible with All Coolants including OAT - Safe for Rubber Hoses & Metal Parts - 325ml
Wynn's
£ 6.29
Holts Sealit Leak Repair 250ml, (Packing May Vary)
Holts
£ 9.99
free delivery
Car Radiator Stop Leak Rad Cooling System Repair Seals Leaks 3x250ml
Suitable for aluminum radiators
£ 20.99
free delivery
Gorilla Waterproof Black Coat & Seal Spray, 450ml – Flexible, Weatherproof Liquid Sealant | Seals out Water, Air & Moisture | For Roof Tiles, Brick, Wood, Metal, Concrete, Stone, Rubber, Plastics*
GREAT FOR Perfect for roofing, gutters, downpipes, windows uPVC, external chimneys, and small repairs on caravans, providing effective sealing and protection. Not for flashing applications, pipes under pressure or for use inside firebox.
£ 13.00 £ 20.00
Car Radiator Stop Leak Rad Cooling System Repair Seals Leaks 250ml
Generic
£ 9.99
free delivery
Granville GV0373 Silicone Sealant, 40 g, Black
Granville
£ 5.00
free delivery
Wynn's Engine Oil Stop Leak - Prevents & Stops Oil Leaks - Restores Elasticity of Seals & O-Rings - Lubricates & Protects Engine Seals - Safe for All Engine Oils - 325ml
Wynn's
£ 7.99 £ 8.84
EVO-STIK Clear for Life - Shower & Bathroom Sealant - Stops Mould - Stays Looking New
EVO-STIK
£ 4.00
free delivery
2GC1MA Car Aircon AC 1pcs R134a Compatible Refill Recharge Regas Gas 584gr + Leak Stopper Repair Fix Sealer Stop DIY (2Regas + LS + Tube)
Generic
£ 59.99
J-B Weld 8267UK SteelStik Epoxy Putty, dark grey
J-B Weld
£ 7.49 £ 8.79
Coolant Leak Sealer 15g – Stop Leak Powder For Radiators, Heater Core, Water Tanks, And Pipes – Anti-Leakage Repair Solution, Underwater Seal For Efficient Leak Prevention And Fixing
Seal Small Cracks Solve water leakage Leak Repair Powder Water tank and pipe leak stopper efficiently with our coolant leak sealer. Specially formulated to target small cracks, it features powerful functions for quick and easy repairs. Save time and effort while caring for your cooling system
£ 5.49
free delivery
Tetrion Make Good Fix a Leak 400ml
Tetrion
£ 9.98
free delivery
