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10 bestRoof Sealantof October 2025

112M consumers helped this year.

1

Sika Stixall – Extreme Power Sealant And Adhesive – Waterproof – Black – 290ml
Sika Stixall – Extreme Power Sealant And Adhesive – Waterproof – Black – 290ml

Sika

10.0

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26% off

2

Gorilla Waterproof Coat & Seal Black 946ml
Gorilla Waterproof Coat & Seal Black 946ml

Gorilla

10.0

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3

Polar Premium Leak Seal Clear Paint - 500ml - Instant Waterproof Roof Sealant - Ideal for Leaks, Cracks & Roof Repair - Concrete, Brick, Metal, Drainpipes & Gutters - Easy to Apply
Polar Premium Leak Seal Clear Paint - 500ml - Instant Waterproof Roof Sealant - Ideal for Leaks, Cracks & Roof Repair - Concrete, Brick, Metal, Drainpipes & Gutters - Easy to Apply

Polar Specialist Coatings

9.9

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4

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 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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5

Cromar Grey Cromapol Acrylic Waterproofing Roof Sealant Fibre Reinforced Roof Coat 5Kg
Cromar Grey Cromapol Acrylic Waterproofing Roof Sealant Fibre Reinforced Roof Coat 5Kg

Ashbrook Roofing

9.6

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Related productsUp to 11% off

Everbuild Black Jack 904 Roof Felt Adhesive – High Strength – Black – 1 Litre

Everbuild Black Jack 904 Roof Felt Adhesive – High Strength – Black – 1 Litre

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All Weather Roofing Compound Bitumen Waterproof Roof Coating 25 Litre

All Weather Roofing Compound Bitumen Waterproof Roof Coating 25 Litre

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Cromapol Acrylic Waterproofing Coating Grey - 5 KG

Cromapol Acrylic Waterproofing Coating Grey - 5 KG

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Pro-Kleen Instant Waterproof Sealant Spray - Tough Leak Sealant Spray for Roofs, Pipes, Guttering & More - Transparent & Long-Lasting Formula - Instant Emergency Repair (400ml)

Pro-Kleen Instant Waterproof Sealant Spray - Tough Leak Sealant Spray for Roofs, Pipes, Guttering & More - Transparent & Long-Lasting Formula - Instant Emergency Repair (400ml)

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14% off

6

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
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

JENOLITE

9.4

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7

Everbuild Black Jack 901 Bitumen Paint – Solvent Based – Black – 2.5 Litre
Everbuild Black Jack 901 Bitumen Paint – Solvent Based – Black – 2.5 Litre

Everbuild

9.2

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41% off

8

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*
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*

Gorilla

9.0

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36% off

9

Everbuild Black Jack 905 – All Weather Roof Coating – Solvent-Based – Fibre-Reinforced – Fast Drying – Weatherproof – Black – 5 Litre
Everbuild Black Jack 905 – All Weather Roof Coating – Solvent-Based – Fibre-Reinforced – Fast Drying – Weatherproof – Black – 5 Litre

Everbuild

8.8

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63% off

10

Everbuild Everflex Roof and Gutter Sealant – Butyl-Based Sealant and Adhesive for Roofing – Excellent Weathering Properties – Black – 295 ml
Everbuild Everflex Roof and Gutter Sealant – Butyl-Based Sealant and Adhesive for Roofing – Excellent Weathering Properties – Black – 295 ml

Everbuild

8.5

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