Top 7 Sentinel Leak Sealer Rapid Dose UK – DIY & Tools

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1. Sentinel

Sentinel X100 Rapid Dose Central Heating Scale Inhibitor 300ml

Sentinel - Same day dispatch to the UK mainland. All new parts come with a 12 month warranty. Family run business priding itself on high levels of customer satisfaction. Trust a part boiler experts with over 25 years of heating, boiler maintenance and spare parts experience.
Part NumberX100

2. Liquid Science

Seals & Stops Leaks. 25% Extra Free, 2 Pack of Stop Leak Sealer Spray 500ml. Stops Leaks Instantly. Waterproof Sealant That Fills

Liquid Science - Lasts For Years. Stops Leaks Instantly. Immediate Waterproofing. Dries black, can Be Painted Once Cured. Ideal for flat Roofs, Guttering & Pipes.
BrandLiquid Science
ManufacturerLiquid Science

3. Liquid Science

Seals & Stops Leaks. 25% Extra Free, Stop Leak Sealer Spray 500ml. Stops Leaks Instantly. Waterproof Sealant That Fills

Liquid Science - Dries black, can Be Painted Once Cured. Stops Leaks Instantly. Lasts For Years. Ideal for flat Roofs, Guttering & Pipes. Immediate Waterproofing.
BrandLiquid Science
ManufacturerLiquid Science
Weight0.52 kg (1.15 Pounds)

4. Unknown

400ml Stop That Leak Repair Spray

Unknown - Idea for repairs in pipes, gutters, drains, windows and roofs. Great value 400ml size. Last for years. Buy with confidence from a recognised Amazon Seller. Protects from corrosion.
Manufacturer151 Products
Part NumberTAR043

5. Tetrion

TFL400, Tetrion Make Good Fix A Leak 400ml Spray Leaks & Cracks Sealant Filler

Tetrion - Fix a leak provides a rubberised coating which fills and seals fine leaks and cracks, it can also protect items and products from moisture and weathering. High build, tough, flexible. Etrion fix a leak provides a tough, watertight yet flexible seal which can stop leaks on certain substrates. Rubberised protective proofing formula. Easy to use aerosol format.
ManufacturerTetrosyl Ltd
Part NumberTFL400


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

JENOLITE - Dries clear to create a waterproof seal. Suitable for the quick repair of guttering, drains, windows, pipework, roofs and other leaking areas. Completely waterproof and corrosion resistant surface. Remains flexible & pliable for years after use.
Part Number89183

7. Gadget Planet

Large 500ml Tin Stops Leaks Instantly 1, Smart® Leak Stop Spray n Seal Clear 500ml Instant Seal Fix Rapid Repair Waterproof Mastic Sealant

Gadget Planet - Provides rapid sealing on most surfaces even when damp including uPVC, Metal, Bitumen Felt, Wood, Slates, Tiles, Asphalt And Most Plastics Not For Use On Polystyrene.

Seals cracks, joints and stops leaks In Seconds – Effective Even In The Cold & Wet. No need to call expensive tradesman - Flexible Coating Saves £££s in Costly Repairs. Smart leak stop spray clear is an all purpose sealing Spray For Leaks All Around The Home – Indoor And Outdoor Use. Ideal for emergency repairs on windows Frames Conservatories Drains Pipes Roof Gutters Pipework Wastepipes Caravans Motorhomes Greenhouses & Sheds.
BrandGadget Planet
ManufacturerManufactured For Gadget Planet