Top 8 Spray Sealant for Leaks UK – Sealers

As an Amazon Associate I earn from qualifying purchases.

1. Polar Specialist Coatings

Polar S1 Superior Leak Sealer Clear Spray – Tough Waterproof Sealant – Instant Repair – 400ml

Polar Specialist Coatings - Polar s1 leak sealer can be applied to most rigid surfaces including metal, wood, plastics and ceramics. Manufactured in Great Britain. Easy application with an excellent coverage, an ideal solution for quick repairs. Polar s1 provides an instant seal with an excellent resistance to weathering with a high covering power. The sealant uses a rubberised protective formula to provide a flexible yet tough seal.
BrandPolar Specialist Coatings
ManufacturerPolar Protective Products
Height18 cm (7.09 Inches)
Length18 cm (7.09 Inches)
Width7 cm (2.76 Inches)

2. Liquid Science

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

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


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

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

4. Tetrion

Tetrion Make Good Fix A Leak 400ml Spray Leaks Cracks Sealant Filler, TFL400 Stop Sealer Waterproof Fills Seals Stops Rubberised Coating Tough Flexible Watertight Seal Can Be Overpainted Easy to Use

Tetrion - Rubberised protective proofing formula. High build, tough, flexible. Easy to use aerosol format. Etrion fix a leak provides a tough, watertight yet flexible seal which can stop leaks on certain substrates. 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.
ManufacturerTetrosyl Ltd
Part NumberTFL400

5. Gadget Planet

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

Gadget Planet - 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.

Seals cracks, joints and stops leaks In Seconds – Effective Even In The Cold & Wet. Provides rapid sealing on most surfaces even when damp including uPVC, Wood, Bitumen Felt, Slates, Tiles, Metal, Asphalt And Most Plastics Not For Use On Polystyrene. Ideal for emergency repairs on windows Frames Conservatories Drains Pipes Roof Gutters Pipework Wastepipes Caravans Motorhomes Greenhouses & Sheds.
BrandGadget Planet
ManufacturerManufactured For Gadget Planet

6. navigatee

Leak Stop Sealant Spray-Wall Mending Agent-Tile Waterproofing Spray Agent-Seal Spray For Repairing, Super Polymer Waterproof Sealant, 30ml Mighty Sealant Spray, Permeable Invisible Waterproof Agent

navigatee - Clean the foundation surface before construction to ensure that the foundation surface is dry and dry. Will not crack or flake in the cold winter. Effective repair spray: the waterproof agent can easily solve the problem of water leaking.

And it features a powerful solution with a long-lasting effect. A waterproof layer can be formed after 24-48 hours, and the waterproof layer will become stronger over time. High temperature resistance: this sealant spray will not sag or drip under high temperature in summer. Long-lasting effect:sealant spray with a quick-drying ingredients for easy plaster, repair, and seal.

Efficient waterproof: the seal rubber sealant Coating Spray is your quick and easy way to apply, protect and prevent leaking! After drying, seal, you can apply any color. Wide applications: the spray can be used for water seepage through cracks, water seepage in toilet, water seepage of window sills, wall water seepage, roof seepage and water seepage of external wall.
Part NumberML1U6R22GIO1CS340MZ

7. easylife lifestyle solutions

Leaks in Lofts, Seal Spray for Repairing Leaks | Repair Water Pipes, Gutter/Down Pipes, Shed Roofs, Car Doors, Flat Roofs | Perfect for DIY Enthusiasts | From Easylife Lifestyle Solutions | 500ml Clear Sealant

easylife lifestyle solutions - Great for repairing water pipes, leaks in lofts, shed roofs, gutter/down pipes, car doors, flat roofs. One spray stops leaks, guaranteed to work. Repair leaks at the push of a button. Simply spray and will seal virtually any surface or leaking joint. Available in black or Clear finish - 500ml can.
Brandeasylife lifestyle solutions
Height6.5 cm (2.56 Inches)
Length24 cm (9.45 Inches)
Weight0.48 kg (1.06 Pounds)
Width6.5 cm (2.56 Inches)
Part Number3499

8. Yagerod

3Pcs Super Strong Bonding Spray, Invisible Waterproof Anti-Leaking Sealant Agent, Leak-Trapping Repair Spray for Bathroom Tile Waterproof Coating Exterior Wall Roof Roofing 30ml

Yagerod - It is odorless. Innovative spray: super strong bonding spray is an innovative spray that effectively seals, and repairs broken surfaces. It has anti-leakage properties, can be used on wet surfaces with high bonding strength, is transparent, and has no yellowing.

It is non-polluting. Sealing spray: the powerful sealant spray has a strong adsorption effect, can be easily and quickly bonded to most of the surfaces that need protection, and is particularly useful when protection is needed. Anti-leakage: waterproof sealant spray provides a strong but flexible protective layer for the applied surface. Permanent: jaysuing invisible waterproof agent can be applied immediately and provide the kind of protection required.

It can be applied to painted and non-painted surfaces. It is a water-based sealant that is paintable and can be used to waterproof a large variety of surfaces. It is permanent. It is safe and non-toxic. Tasteless and pollution-free: it is suitable for sealing joints and gaps and leaks and can be used to all construction materials.
Part NumberSEDRTGYE60446412