Top 10 Liquid Rubber Waterproof Sealant

Last update: 04-07-2025

1

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

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• HIGH-PERFORMANCE – Crafted using hybrid polymer technology, it has incredible initial grab strength, zero sagging and fills gaps with ease.
• IDEAL FOR INTERIOR AND EXTERIOR USE DEPENDING ON THE APPLICATION – Resistant to weather, water, temperature and chemicals, you can use this as an adhesive inside and out plus as an interior sealant. (NOTE: Crystal Clear colour is not suitable for exterior use)
• VERSATILE – Has incredible high-grab adhesion to a wide range of materials, including glass, metals, plastic, concrete, wood, and so much more – it bonds even underwater or in the rain.
• PROFESSIONAL FINISH – This quick-curing mix develops a skin in only 10 minutes and is paintable once completely dry with water-based paints for a high-quality finish to your DIY projects.
• EASY TO APPLY – Insert the cartridge into your caulking gun, snip the tip and apply as needed to your chosen materials.
• LONG-LASTING – This completely waterproof adhesive and sealant is resistant to temperature extremes between -40°C and +100°C, as well as a range of chemicals once fully cured, meaning it can be considered for durable applications.
• MULTIPLE COLOURS – Available in Black, Brown, Anthracite, White, Crystal Clear and Grey

9.6/10

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2

Permatex 81158 Black Silicone Adhesive Sealant, Multi Purpose adhesive Sealant, Can be applied to Variety of surfaces, Inside and Outside use 1 x 85g

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• Seals, bonds, repairs, mends and secures glass, metal, plastics, fabric, vinyl, weather stripping and vinyl tops
• Protects and repairs electrical wiring
• Sensor-safe, general purpose black RTV indoor/outdoor sealant
• Resists water, weather, and vibration
• Waterproof and flexible

9.5/10

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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

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• Waterproof Seal: The ideal solution for instant waterproof sealant on leaks or cracks. Apply roof sealant paint to the affected area to seal. The paint forms a waterproof membrane to keep water out. Easy to apply with a brush or roller, ensuring complete coverage. Durable and resilient, it safeguards against damage from severe weather.
• One Coat Repair: Don’t waste any time sealing cracks or leaks. Polar LeakFix works in one coat, This flat roof sealant paint provides instant repair on flat or pitched roofs. With 500ml covering up to 0.5㎡, its quick-drying formula ensures minimal downtime. Ideal for both residential and commercial use, offering a reliable solution for all your waterproofing needs.
• Instant Protection: Formulated for tough, hard-wearing and instant protection. This clear sealant is perfect for emergency repairs or maintenance on drain pipes, gutters, and roofs. It gives long-lasting protection to cracked surfaces and performs reliably in all weather conditions, ensuring peace of mind.
• Easy To Apply: No primer needed before applying Polar Leakfix. Apply waterproofing sealant immediately for instant waterproof protection. Clear the affected area of moss, debris, and surface water, oil, or grease thoroughly. The sealant becomes touch dry within 3-4 hours. Designed for DIY enthusiasts and professionals, achieving thorough sealing.
• Multi-Purpose Use: Ideal water sealant for felt shed roofs, asphalt, bitumen surfaces, gutters, drainpipes, concrete, brick, GRP, fiberglass, and metal roofing. Available in Clear, Grey, and Black. Ensures versatility across applications, with a seamless finish for robust protection. Please note: Our paint is not compatible with copper surfaces.

9.4/10

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4

Everbuild 402 Water Seal – High Performance – Long Lasting Protection From Water Damage – Solvent-Free Formula – Water Repellant – 5 Litre

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• HIGHLY WATER REPELLANT – Creates a waterproof coating on a range of materials whilst still allowing the surface to breathe and any moisture vapour to evaporate, including brick, concrete, render, stone and pebble dashing, although is unsuitable for rubber, plastic or timber.
• HIGH PERFORMANCE – Provides protection that lasts through deep penetration into the material and a durable matt finish that's transparent once dry.
• SOLVENT-FREE FORMULA – It's water-based for easy clean up, contains no solvents, and is non-flammable.
• EASY TO APPLY – Apply this milky-white liquid to clean, dry or damp surfaces using a roller, brush or low-pressure garden sprayer.
• CAN BE APPLIED TO DAMP SURFACES – The water-based formula soaks into the material for long-lasting protection, making damp (not wet or submerged) surfaces acceptable.
• TWO SIZES AVAILABLE – Choose from a 5-litre or 25-litre jerry can.

9.3/10

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5

Liquid Rubber Waterproof Sealant - Multi-Surface Leak Repair Indoor and Outdoor Coating, Water-Based, Easy to Apply, Original Black, 1 Quart

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• USE FOR - Flat Roofs, Metal Roofs, sloped roofs, planter boxes, foundations, ponds, sheds, basements, metal, wood, concrete and more. Product remains tacky - not suitable for walking surfaces
• EASY TO APPLY - Just like painting! Apply by brush or roller. Use heavy coats to build up the waterproof membrane. You can close the container and use later if you have left over material
• ENVIRONMENTALLY FRIENDLY - Liquid Rubber Waterproof Sealant/Coating is water based, containing no solvents, VOC's or harmful odors. Safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus
• COVERAGE - Vertical Surfaces - 1 gallon/30 sq ft (2.8 sq m). 3-4 heavy coats to achieve a 30 mil (0.76 mm) membrane. Flat/Ponding Surfaces - 1 gallon/15 sq ft (1.4 sq m). 4-5 heavy coats to achieve a 60-80 mil (1.5-2 mm) membrane
• CONVERSION - 1 US Gallon is equal to 0.83 UK Gallons - 5 US Gallons are equal to 4.16 UK Gallons

9.2/10

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6

Capt. Tolley’s Creeping Crack Cure - Leak & Crack Sealer - 60ml

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• Travels deep inside the narrowest of cracks before making a waterproof seal
• Traces and seals leaks caused by hairline cracks in the home, boats, motorhomes and vehicles
• Quick and easy to use - no dismantling of parts required
• Dries transparent and flexible
• Liquid sealant/adhesive with exceptional penetrating properties

9.1/10

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7

Liquid Rubber Basement and Foundation Repair Sealant - Waterproof Concrete Sealer & Crack Filler - Flexible Coating for Indoor & Outdoor Use - Waterproofing Paint - Black, 3.78 Litres

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• SUPERIOR FLEXIBLE SEALANT: Liquid Rubber's foundation sealer creates a permanent waterproof membrane for basement waterproofing, foundation leak repair, shower liners, and planter boxes. This professional-grade sealer delivers unmatched protection with 900% elongation, preventing leaks and water damage more effectively than traditional sealants
• COMPLETE BASEMENT WATERPROOFING SYSTEM: Surpassing basic concrete paint, concrete sealers, and standard waterproof agents, this waterproofing membrane is designed to seal and protect against active leaks and moisture, making it perfect for basement leak and foundation repair. Seamlessly compatible with self leveling concrete applications
• VERSATILE CONCRETE CRACK FILLER: The professional-grade rubber coating and rubber waterproofing technology maintains flexibility in all temperatures, preventing future cracks and damage. This liquid rubber waterproof sealant provides superior adhesion to concrete, masonry, wood, metal, and foundation surfaces, making it an ideal choice for your DIY projects
• MAXIMUM COVERAGE & PERFORMANCE: This high-build basement sealer goes on like waterproof paint - Interior basement surfaces: 50 sq ft/gallon (requires: 2-3 coats), Exterior concrete sealer outdoor surfaces: 20 sq ft/gallon (requires: 3-4 coats). Apply between 50°F-90°F. For complete protection, use the rubber sealant with Liquid Rubber Geo-Textile on joints and transitions
• IMPORTANT USAGE GUIDELINES: The water-based foundation sealer formula contains zero VOCs for safe indoor application. No mixing required! Apply by brush, roller, or professional sprayer as part of your basement waterproofing system. Not suitable for walking surfaces due to tackiness when cured
• FOR A WATERTIGHT SYSTEM - Use rubber sealant with Liquid Rubber Geo-Textile on joints and transitions, fill small cracks with Liquid Rubber Sealant & Adhesive, and bridge joints, seams, vents, and protrusions where movement may occur. Scroll down for full application steps

9.0/10

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8

Drybase Liquid Damp Proof Membrane (1 Litre, Black) - Damp Proofing Paint for Internal Walls and Floors. Waterproof Paint

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• High-Strength damp-proof barrier highly effective against moisture ingress and ground gases in floors and walls. For best results, apply as a top coat.
• Low Odour thanks to its water-based and Bitumen-Free formulation, presenting excellent adhesion and drip-resistant properties. Used to block damp coming from substrate, if dealing with condensation issues, please use Dryzone Anti-Condensation Paint instead.
• Versatile damp proof membrane - Can be used on a large range of substrates such as brick and timber. The underlying source of damp should be correctly diagnosed and fixed before application.
• Quick-Drying & Strong Bond - two-coat application with a fast 1-hour initial drying time: can be used immediately with no special curing required.
• Extensively tested for high performance and produced in accordance with quality and environmental management systems - 1L Coverage: Approx. 1m². Follow proper preparation steps for best adhesion and long-term protection.

8.9/10

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9

V-Tech VT-131 Quality Auto Sealer Silicone Adhesive Sealant: 75gm Windscreen

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• general purpose, black coloured silicone sealant for both indoor and outdoor applications.
• can be applied to horizontal or vertical surfaces and provides a waterproof and flexible seal
• It does not dry out or become brittle.
• can be used to seal, bond, repair or secure

8.7/10

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10

Liquid Rubber Color Sealant - Waterproof Indoor and Outdoor Leak Repair Coating, Multi-Surface Rubber Paint, Durable Sealer for Roofs, Beige, 1 Gallon

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• PROTECTIVE FINISH FOR - Flat roofs, metal roofs, sloped roofs, planter boxes, foundations, sheds, basements, metal, wood, concrete and more- Product Remains tacky- not suitable for walking surfaces such as walkways, patios or decks
• EASY TO APPLY - Just like Painting! Apply by brush, roller or high quality paint sprayer. Use heavy coats to build up the waterproof membrane. You can close the container and use later if you have left over material
• ENVIRONMENTALLY FRIENDLY - Liquid Rubber Color Waterproof Sealant/Coating is water based, containing no solvents, VOC's or harmful odors. Safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus
• COVERAGE - Vertical surfaces - 1 gallon covers 50 sq. ft. (4.6 sq. m), requiring 3–4 heavy coats to achieve a 30 mil (0.76 mm) membrane. Metal roofs and flat/ponding surfaces: 1 gallon covers 30 sq. ft. (2.8 sq. m), requiring 4–5 heavy coats to achieve a 60–80 mil (1.5–2 mm) membrane
• CONVERSION - 1 US Gallon is equal to 0.83 UK Gallons - 5 US Gallons are equal to 4.16 UK Gallons

8.6/10

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