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10 bestSealant For Metal Roofof December 2025

112M consumers helped this year.

11% off

1

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 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

9.9

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11% off

2

Polar Premium Leak Seal Clear Paint - 1 Litre - Instant Waterproof Roof Sealant - Ideal for Leaks, Cracks & Roof Repair - Concrete, Brick, Metal, Drainpipes & Gutters - Easy to Apply

Polar Premium Leak Seal Clear Paint - 1 Litre - Instant Waterproof Roof Sealant - Ideal for Leaks, Cracks & Roof Repair - Concrete, Brick, Metal, Drainpipes & Gutters - Easy to Apply

Polar Premium Leak Seal Clear Paint - 1 Litre - Instant Waterproof Roof Sealant - Ideal for Leaks, Cracks & Roof Repair - Concrete, Brick, Metal, Drainpipes & Gutters - Easy to Apply

Polar Specialist Coatings

9.8

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3

All Weather Roofing Compound Bitumen Waterproof Roof Coating 25 Litre

All Weather Roofing Compound Bitumen Waterproof Roof Coating 25 Litre

All Weather Roofing Compound Bitumen Waterproof Roof Coating 25 Litre

masterbitumens

9.5

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13% off

4

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

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

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

Sika

9.2

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34% off

5

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

Everbuild

9.0

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OtherRelated productsUp to 29% off

Polar Premium Grey Felt Seal - 1 Litre - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply

Polar Premium Grey Felt Seal - 1 Litre - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply

300g Invisible Waterproof Anti-Leaking Sealant Agent, Transparent Waterproof Coating Agent, Waterproof Insulation Sealant, Coating Tile Trapping Repair Wall Mending Agent for Home Roof Bathroom

300g Invisible Waterproof Anti-Leaking Sealant Agent, Transparent Waterproof Coating Agent, Waterproof Insulation Sealant, Coating Tile Trapping Repair Wall Mending Agent for Home Roof Bathroom

Polar Premium Clear Felt Seal - 500ml - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply

Polar Premium Clear Felt Seal - 500ml - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply

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

6

Anthracite Grey 300ml Hybrid Polymer Sealant Adhesive Construction Joint Waterproof Curable Weatherproof Seal Paintable Odourless Wood Plastic Metal Stone Window Door Roof Gutter Leak Grab - 1 Pack

Anthracite Grey 300ml Hybrid Polymer Sealant Adhesive Construction Joint Waterproof Curable Weatherproof Seal Paintable Odourless Wood Plastic Metal Stone Window Door Roof Gutter Leak Grab - 1 Pack

Anthracite Grey 300ml Hybrid Polymer Sealant Adhesive Construction Joint Waterproof Curable Weatherproof Seal Paintable Odourless Wood Plastic Metal Stone Window Door Roof Gutter Leak Grab - 1 Pack

Hemway

8.7

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7

Liquid Rubber Waterproof Sealant - Leak Repair Indoor and Outdoor Coating, Water-Based, Easy to Apply, Black, 3.78 Litres

Liquid Rubber Waterproof Sealant - Leak Repair Indoor and Outdoor Coating, Water-Based, Easy to Apply, Black, 3.78 Litres

Liquid Rubber Waterproof Sealant - Leak Repair Indoor and Outdoor Coating, Water-Based, Easy to Apply, Black, 3.78 Litres

Liquid Rubber

8.4

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8

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

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

8.1

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9

5 Litre All Weather Roofing Compound Waterproof ROOF Coating

5 Litre All Weather Roofing Compound Waterproof ROOF Coating

5 Litre All Weather Roofing Compound Waterproof ROOF Coating

masterbitumens

7.8

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10

Cromapol Acrylic Waterproofing Coating Grey - 5 KG

Cromapol Acrylic Waterproofing Coating Grey - 5 KG

Cromapol Acrylic Waterproofing Coating Grey - 5 KG

Cromapol

7.5

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