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10 bestRadiator Sealerof November 2025

Name: Polar Clear Leak Fix Spray - 400ml - Waterproof Roof Sealant - Instantly Seals Leaks and Cracks, for Lasting Protection on Roofs, Drainpipes and Gutter Repairs, for Interior and Exterior Use
Brand: Polar Specialist Coatings
Price: 10.99 GBP
Availability: InStock

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15% off

Polar Clear Leak Fix Spray - 400ml - Waterproof Roof Sealant - Instantly Seals Leaks and Cracks, for Lasting Protection on Roofs, Drainpipes and Gutter Repairs, for Interior and Exterior Use

Polar Specialist Coatings

9.8

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K-Seal Coolant Leak, 236ml | Multi-use Car Radiator & Head Gasket Repair Sealant

K-Seal

9.6

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K-Seal HD Coolant Leak Repair, 472ml | HGV Radiator, Block & Head Gasket Sealant

K-Seal

9.3

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K-Seal Permanent Coolant Leak Repair for Cooling Systems Head Gaskets Radiators

Generic

9.0

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Car Radiator & Hose Stop Leak Repair Additive Anti Corrosion 250ml Repairs Weld Cooling System Rads

ARZER

8.8

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