Advertising Disclosure
9 Best Gutter Sealants - Holiday Sale
Best Choice01TufineinRubber Liquid Waterproof Sealant, TUFINEIN 53 OZ/1.5 KG Neutral Gray Quick Drying Multi Surface Foundation Leak Repair - Roof Gutters Sealer Waterproof - Indoor & Outdoor Flexible Rubber Paint
Free ShippingMain highlights- ROOF SEALANT WATERPROOF LEAK REPAIR: Waterproof sealant is suitable for metal roofs, sheds, concrete basements, walls, gutters, wooden skylights, flower pots, low-pressure small swimming pools, bird baths, and fountains. Not suitable for walking surfaces due to tackiness when cured
- MAXIMUM COVERAGE AREA AND PERFORMANCE: Concrete foundation vertical surfaces: 0.6 mm thickness covers 2 m² (21.4 ft²), flat/low-slope roofs and standing water surfaces: 1 mm thickness covers 1 m² (10.7 ft²), use polyester fabric at joints and obvious cracks to enhance waterproofing performance
- LONG-LASTING WEATHER RESISTANCE: Professional rubber sealant waterproof membrane remains stable in high and low temperatures (-40 °C to 80 °C/-40 °F to 176 °F). Waterproof coating has good adhesion on multiple surfaces, not easy to crack and effectively resists aging
- FLEXIBLE WATERPROOF SEALANT: Foundation sealant waterproof has self-leveling properties and can be applied with a brush, roller, scraper, or poured. It cures quickly to form a dense rubber waterproof membrane, effectively sealing water, gases, and moisture indoors and outdoors to prevent leaks
- ELASTICITY & EXTENSIBILITY: Waterproof coating sealant can smoothly cover small gaps and cracks, effectively resisting deformation of the substrate. Rubber sealant Initial film formation occurs in 2-4 hours, forming a flexible rubber coating that provides lasting waterproof protection
9.9Exceptional
Show more
- Curious about how we select the top products for you? Explore How It Works
Value for Money02Liquid RubberLiquid Rubber Waterproof Sealant – DIY Leak Repair Coating for Flat, Metal & Low Slope Roofs, Foundations, Gutters & More – Flexible Protective Membrane - Black - 1 Quart
Free ShippingMain highlights- WATER-BASED ADVANCED FORMULA - Unlike harsh roof tar or solvent-based products, our water-based formula contains no VOCs or harmful odors, making it perfect for indoor and outdoor use. Doesn't damage foam insulation or sensitive materials. Perfect for waterproofing projects in confined spaces
- USED BY PROFESSIONALS & DIYers ALIKE - With millions of gallons sold, Liquid Rubber is the go-to choice for contractors, property managers, and homeowners tackling projects from roof leak fixes to basement waterproofing. Our high-performance formula delivers professional results whether you're an experienced pro or a first-time DIYer
- SUPERIOR FLEXIBILITY & DURABILITY - With over 950% elongation, this waterproof sealant maintains adhesion even with building movement and temperature changes. Our sealant is designed to resist cracking, peeling, and UV damage. Creates a flexible rubberized coating that delivers long-lasting protection
- PROFESSIONAL COVERAGE SPECIFICATIONS - Brush, roll or spray on - For flat/low slope roofs & standing water surfaces: 1 gallon covers 15 sq ft (3-4 heavy coats to achieve 60-80 mil membrane). For vertical surfaces like foundations: 1 gallon covers 30 sq ft (2-3 heavy coats for 30 mil membrane). Ideal for both roof repair and preventative maintenance applications
- PREMIUM ADHESION TECHNOLOGY - Superior adhesion to most building materials including metal, concrete, wood, and more. This hardware sealer can remain tacky after curing - NOT suitable for walking surfaces such as walkways, patios or decks. Use for waterproofing applications where foot traffic where foot traffic is minimal or not needed
- INDUSTRIAL STRENGTH BITUMEN FORMULA - Create a seamless waterproof membrane on flat roofs, metal roofs, low slope roofs, foundations, gutters, concrete surfaces, planter boxes, and more. Our premium liquid rubber forms a durable barrier against water infiltration where other sealants fail. Superior alternative to traditional roof tar or patch products
- ENGINEERED WATERPROOFING SYSTEM - For maximum protection, use with Liquid Rubber Seam Tape or Geo-Textile to bridge joints, seams, vents, skylights, and protrusions where movement may occur. Creates a comprehensive waterproofing system for long-lasting leak repair and prevention on your roof, basement, or foundation
9.7Exceptional
Show more
- 03
Geocel2320 & 2321 Gutter and Narrow Seam SEALANT 2320 10 oz
Free ShippingMain highlights- 2320 & 2321 GUTTER AND NARROW SEAM SEALANT 2320 10 oz
9.6Exceptional
Show more
- 04Gorilla
Gorilla Waterproof Patch & Seal Spray, Flexible Rubberized Coating, Seals Out Water Air & Moisture, Stops & Prevents Leaks, Black, 16oz/453g, (Pack of 1)
Free Shipping9.4Excellent
Show more
- 05Gorilla
Gorilla Clear 100% Silicone Sealant Caulk, All-Purpose, Waterproof, 2.8oz/82ml Squeeze Tube, Pack of 1
Free Shipping9.2Excellent
Show more
- 06Gorilla
Gorilla Waterproof Patch & Seal Tape, Heavy-Duty, Instantly Seals, Works Underwater, Indoor/Outdoor, Flexible Permanent Bond, 4 in x 10 ft, Black, 1 Pack
Free Shipping9.0Excellent
Show more
- 07Gorilla
Gorilla White 100 Percent Silicone Sealant Caulk, All Purpose, Waterproof, 10oz/295ml Cartridge, White, (Pack of 1)
Free Shipping8.9Very Good
Show more
- 08Flex Seal
Flex Seal MAX– Stop Leaks Fast! Rubberized Waterproof Coating Spray, Ideal for Roofs, Holes, Cracks, DIY Projects, Automotive Fixes, Indoor & Outdoor Repairs, and More – Clear, 17 oz. (482 g)
Main highlights- WON'T RUN, DRIP, SHRINK, OR CRACK - Made to withstand extreme heat and cold, protecting virtually everything from the elements.
- SEALS OUT WATER, AIR & MOISTURE - Our watertight rubberized coating seeps into cracks and holes and dries to a watertight, flexible, rubberized coating.
- RECOMMENDED SURFACES – Wood, Metal, Tile, Concrete, Masonry, Fabric, Glass, Plastic, Aluminum, Porcelain, Drywall, Rubber, and Cement.
- ONCE DRY, IT CAN BE PAINTED ANY COLOR - Ideal for arts & crafts, projects and hobbies.
- Made in the USA from globally sourced materials.
- LASTS FOR YEARS - Helps protects surfaces from corrosion, and can be applied on either wet or dry surfaces. Stays flexible and pliable and it will not lose its strength.
- EXCELLENT FOR – Roof Leaks, Gutters and Skylights, Windowsills, Foundations, Basements, Chimneys, A/C Drip Pans, Campers, and so much more.
8.8Very Good
Show more
- 09ETERART
Waterproof Tape 4 Inch x 10 FT, Seal Tape Black - Heavy Duty Leak Repair for Roof, Pipe, Boat, Hose & Outdoor Emergency Fix - Permanent Weather Resistant Seal
Free ShippingMain highlights- Versatile Usage Anywhere: Whether it’s poolside or on a camping trip, this waterproof tape for leaks is always ready; You can use it on RV awnings, drainage systems, and more. Designed for demanding indoor and outdoor applications, it adapts to any challenge.
- Ultimate Seal for Leaky Areas: Tired of leaks? Our outdoor waterproof tape quickly seals cracks, holes, and gaps with ease; Ideal for above-ground or underwater pool liners, leaky pipes, rain gutter, and even tent seams, it’s your go-to solution for water intrusion.
- Long-Lasting Outdoor Solutions:UV-resistant and durable, this pool liner patch withstands sun exposure for lasting repairs. Trust it for plumbing, roofing, gutters, auto repair, camping gear, DIY projects, and emergency fixes—it performs brilliantly in any weather.
- Easy Application for Quick Fixes: No complicated repairs! Simply cut to size, peel off the backing, and press by hand for an instant airtight and watertight bond (clean surfaces required). Mess-free and hassle-free—just a simple solution for urgent fixes.
- Creates a Strong, Long-Lasting Waterproof Seal: Our 4in x 10ft waterproof tape features a powerful rubber adhesive, delivering exceptional bonding strength; Engineered to withstand harsh elements, it forms an impermeable barrier against water, moisture, and leaks, providing reliable, durable protection for both indoor and outdoor repairs.
8.7Very Good
Show more
