10 bestRoof Sealantof January 2026
112M consumers helped this year.
1
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
9.8
2
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
9.6
3
All Weather Roofing Compound Bitumen Waterproof Roof Coating 25 Litre
masterbitumens
9.5
4
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
9.3
16% off
5
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
9.1
OtherUp to 28% off
Cromar Grey Cromapol Acrylic Waterproofing Roof Sealant Fibre Reinforced Roof Coat 5Kg
Gorilla Waterproof Coat & Seal Black 946ml
Resincoat - Liquid Rubber Coating, Waterproof Sealant for Roofing, Skylights, Chimneys, and More, Waterproof Paint Sealant with 10-Year Life Expectancy, One-Coat Outdoor Sealant Waterproof, 5Kg
Pro-Kleen Instant Waterproof Sealant Spray - Tough Leak Sealant Spray for Roofs, Pipes, Guttering & More - Transparent & Long-Lasting Formula - Instant Emergency Repair (400ml)
34% off
6
Everbuild Black Jack 905 – All Weather Roof Coating – Solvent-Based – Fibre-Reinforced – Fast Drying – Weatherproof – Black – 5 Litre
Everbuild
8.8
6% off
7
Sika Stixall – Extreme Power Sealant And Adhesive – Waterproof – Black – 290ml
Sika
8.6
8
Cromapol Acrylic Waterproof Roof Coating - 20kg Grey
Cromar
8.3
9
Everbuild Black Jack 901 Bitumen Paint – Solvent Based – Black – 2.5 Litre
Everbuild
8.1
10
Cromar Grey Cromapol Acrylic Fibre Reinforced Roof Coat Sealant Paint 2 x 5Kg
Cromapol
7.8
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