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5 Best Polyurethane Deck Coatings of 2025

Last Updated - 2025/09/22

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Liquid Rubber

Liquid Rubber Cool Foot Deck Coating - Solar Protection Paint, Reduces Surface Temperatures by Up to 35%, Multi-Surface Cooling Decking Sealant, Waterproof, Durable Membrane, Misty Gray, 5 Gallon

Liquid Rubber

CA$349.95

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Main highlights
- UV RESISTANCE - Our Cool Foot Deck Coating has excellent solar reflectivity and UV stability; reduces heat transfer by up to 35% compared to regular paint
- PROTECTIVE FINISH FOR - Wood, concrete, decks, walls, fences and more for a seamless membrane!
- ENVIRONMENTALLY FRIENDLY - Liquid Rubber Deck Coating is water based, non-flammable, and non-toxic, containing no solvents or VOC's. Safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus
- EASY TO APPLY - Use a brush, roller, or paint sprayer for a seamless and fully adhered membrane. Designed as a stand-alone coating but can also be used with Liquid Rubber Seam Tape
- COVERAGE - Apply a minimum final thickness of 1 gallon/50 square feet (4.6 sq m). This should require 3-4 heavy coats. Heavy traffic areas require 1 gallon/30 square feet (2.8 sq m)
CA$349.95
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Liquid Rubber

Liquid Rubber Color Waterproof Sealant - Elastomeric Roofing Coating for Flat or Slope Roofs & Foundations - DIY Paint & Leak Repair Membrane Compatible with Metal & Concrete - Light Gray, 5 Gallon

Liquid Rubber

CA$289.95

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Main highlights
- WATERPROOF LIQUID RUBBER SEALANT FOR MULTIPLE SURFACES - Seal and protect metal roofs, flat roofs, low slope roofs, gutters, concrete repair, foundations, basement walls, planter boxes & more! Creates a flexible, seamless waterproof membrane that stops leaks and water damage
- WATER-BASED FORMULA WITH NO HARSH CHEMICALS - Unlike competing concrete sealers or liquid waterproofing products, our water-based sealant contains no harmful odors. Perfect for indoor and outdoor use including basement foundation repair, making it the ideal sealant for your waterproofing needs. Product can be tacky after curing - not suitable for walking surfaces such as walkways, patios or decks
- SUPERIOR LONG-LASTING PERFORMANCE - With 900% elongation, our roof sealant won't crack or peel like other alternatives. UV resistant and solar reflective, it lasts 4X longer without degrading. Works in temperatures from -40°F to 150°F for durable protection in all climates. With over 1 million gallons sold in our 20 years of experience
- QUICK & EASY APPLICATION PROCESS - Apply like paint using a brush, roller or sprayer to clean, dry surfaces. No specialized equipment needed! Simply prep surface, detail work areas, 2-3 heavy coats for vertical & sloped surfaces like metal roofs or 3-4 heavy coats for flat roofs. Complete your waterproofing project in just 48 hours. Do not apply in wet conditions, when rain is forecast within 24 hours, or when temperatures fall below 50°F/10°C
- PROFESSIONAL QUALITY ROOF SEALANT WATERPROOF COATING - This high-performance elastomeric roof coating is the perfect alternative to traditional roofing tar, roof shingles, or house foundation repair. One 5-gallon bucket covers 150-250 sq. ft. (depending on surface), creating a durable rubber cement-like barrier that's 5X more flexible
- CREATE A BULLETPROOF WATERPROOFING SYSTEM - Bridge joints, seams, vents, gaps, protrusions with Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile where possible movement may occur. For maximum protection, use Liquid Rubber Multi-Purpose Primer to promote adhesion and reduce peeling and flaking before applying this waterproof sealant. Complete your project with our full system of liquid rubber products
CA$289.95
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Liquid Rubber

Liquid Rubber Polyurethane Deck Coating – 10X Stronger Than Traditional Deck Paint & Deck Stain – Flexible, Waterproof Sealant for Wood, Concrete & Plywood – Textured Finish – Misty Gray – 1 Gallon

Liquid Rubber

CA$99.95

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Main highlights
- POLYURETHANE COATING FOR - Deck protection, on concrete or wood walkways, non-corroded metal structures, pool decks, indoor/outdoor floors, fences, baseboards, plywood surfaces, and more
- POLYURETHANE COATING FOR - Deck & dock protection, on concrete or wood walkways, non-corroded metal structures, pool decks, indoor/outdoor floors, fences, baseboards, plywood surfaces, and more
- INNOVATIVE PROTECTIVE DECK COATINGS - Liquid Rubber Polyurethane Deck Coating is a high-performance polyurethane coating with a hard, durable & waterproof surface with excellent UV stability
- EASY TO APPLY - Apply using a conventional brush, roller, or single component sprayer; no mixing required
- COVERAGE - 40 square feet per gallon, final coverage after 3-4 generous coats. 30 square feet per gallon for high traffic areas (4-5 generous coats)
CA$99.95
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Liquid Rubber

Liquid Rubber Waterproof Sealant – DIY Leak Repair Coating for Flat, Metal & Low Slope Roofs, Foundations, Gutters & More – Flexible Protective Membrane - Black - 1 Gallon

Liquid Rubber

CA$79.95

More Details
Main 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
CA$79.95
5
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Seal-Once

SEAL-ONCE MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water-Based, Ultra-low VOC formula for high-moisture areas to protect wood docks, decks, piers & retaining walls.

Seal-Once

CA$85.95

CA$91.84
(6% Off)

More Details
Main highlights
- WOOD SEALANT: Our fast-drying protector penetrates wood below the surface, coating the wood fibers at the cellular level, which creates a long-lasting, flexible, breathable barrier. It provides a no-fuss, easy clean-up with soap and water.
- WATERPROOF WOOD SEALER: The wood used on boat docks, decks, and retaining walls near rivers, lakes, oceans, and ponds is subjected to constant moisture. We crafted a sealer, remove stain, and finish all in one, specifically for these installations.
- SEAL-ONCE: Our user-friendly wood sealers and stains are an effective way to protect your lumber or concrete against water damage. When you use Seal-Once, you have the satisfaction of knowing our products will not harm pets, plants, or people.
- MARINE SEALANT: Our liquid formula creates a UV-stable coating for protection against the elements, saltwater spray, and water damage. Marine is a great protector for outdoor furniture, thermally modified wood, and boat docks. Marine is safe for use over open water and is non-hazardous to aquatic life.
- DECK STAIN: It's water-based, ultra-low VOC, great for enhancing the extended life of your flooring, siding, and porch. The paint forms a water-resistant shield around wood fibers at the cellular level to help preserve the natural color.
CA$85.95
CA$91.84 (6% Off)

5 Best Polyurethane Deck Coatings of 2025

Liquid Rubber Cool Foot Deck Coating - Solar Protection Paint, Reduces Surface Temperatures by Up to 35%, Multi-Surface Cooling Decking Sealant, Waterproof, Durable Membrane, Misty Gray, 5 Gallon

Liquid Rubber Color Waterproof Sealant - Elastomeric Roofing Coating for Flat or Slope Roofs & Foundations - DIY Paint & Leak Repair Membrane Compatible with Metal & Concrete - Light Gray, 5 Gallon

Liquid Rubber Polyurethane Deck Coating – 10X Stronger Than Traditional Deck Paint & Deck Stain – Flexible, Waterproof Sealant for Wood, Concrete & Plywood – Textured Finish – Misty Gray – 1 Gallon

Liquid Rubber Waterproof Sealant – DIY Leak Repair Coating for Flat, Metal & Low Slope Roofs, Foundations, Gutters & More – Flexible Protective Membrane - Black - 1 Gallon

SEAL-ONCE MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water-Based, Ultra-low VOC formula for high-moisture areas to protect wood docks, decks, piers & retaining walls.

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