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5 Best Deck Sealers of 2025

Last Updated - 2025/09/17

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.

Ready Seal

Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Wood Stain and Sealer

Ready Seal

CA$456.10

More Details
Main highlights
- Subject to or will include a PaintCare recycling fee in the following states: CA, OR, CT, VT
- Requires no wet-line application, the product will blend itself and can be applied in any temperature range for proper application.
- Requires no primer. Ready Seal is darkest when first applied. It reaches its true color in approximately 14 days. Do not apply Ready Seal over painted or newly stained surfaces. Sealed surfaces inhibit penetration.
- Requires no diluting or thinning prior to spray applications.
- Requires no back brushing and will nerver leave runs, laps, or streaks.
- No laps, runs or streaks
- No back brushing
- May be applied using sprayer, roller or brush onto the woods surface.
- Apply in any temperature
- "Goof Proof" application
CA$456.10
2
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.

Liquid Rubber

Liquid Rubber Smooth Polyurethane Deck Coating - 10X Stronger Than Paint, Waterproof Solar Protection, Durable Surface Sealant for Wood, Concrete, Plywood, and More, Saddle Brown, 4 Gallon, 15.1 Liter

Liquid Rubber

CA$299.95

More Details
Main highlights
- 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)
- APPLICATION - Avoid hot, intense direct sunlight during application. Apply above 10 degrees Celsius (50 degrees Fahrenheit). Do not apply later in the day if dew is forecast
CA$299.95
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.

Norkan

Ready Seal Stain & Sealer for Wood, Outdoor Deck and Fence - All-in-One Exterior Wood Stain and Waterproofing Sealant – Easy to Apply, No Back Brushing Needed, with UV Protection - 1 Gallon, Pecan

Norkan

CA$110.34

More Details
Main highlights
- UV & WEATHER RESISTANT - Protects against fading, water damage, and harsh outdoor conditions.
- STAIN & SEALER IN ONE - Enhances wood’s natural beauty while providing durable, waterproof protection.
- SELF-BLENDING FORMULA - Ensures an even, streak-free finish with no lap marks.
- NO PRIMING OR DILUTING - Easy application with no need for a primer, thinning, or back-brushing.
- IDEAL FOR EXTERIOR WOOD - Perfect for decks, fences, siding, outdoor furniture, and more.
CA$110.34
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.

Seal-Once

Seal-Once Nano+Poly Penetrating Wood Sealer with Polyurethane - Premium Waterproof Sealant - 2 Gallon & Clear

Seal-Once

CA$138.72

More Details
Main highlights
- WATER-BASED POLYURETHANE WOOD FINISH: Our sealant provides top-notch protection against wear and tear in high traffic areas. It's odorless and ideal for use on wood siding, log homes, swing sets, outdoor furniture, wooden deck and fence, and more.
CA$138.72
5

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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.

Penofin

PenofinTransparent Penetrating Oil Finish Stain & Sealer 1 Gallon cedar 292876

Penofin

CA$105.95

More Details
Main highlights
- 🌞Withstand rain & water within minutes of application, be applied in high temperatures & direct sunlight and is easy to maintain
- 🌞Penetrating, oil based, semi-transparent wood stain and sealer in one
- 🌞Offers first class protection from water, mold, mildew, and damaging UV rays
- 🌞Offers an easy to use, quality solution to protect and enhance the beauty of wood.
- 🌞Formulated for both ease of application and to protect and enhance the natural beauty of wood
CA$105.95

5 Best Deck Sealers of 2025

Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Wood Stain and Sealer

Liquid Rubber Smooth Polyurethane Deck Coating - 10X Stronger Than Paint, Waterproof Solar Protection, Durable Surface Sealant for Wood, Concrete, Plywood, and More, Saddle Brown, 4 Gallon, 15.1 Liter

Ready Seal Stain & Sealer for Wood, Outdoor Deck and Fence - All-in-One Exterior Wood Stain and Waterproofing Sealant – Easy to Apply, No Back Brushing Needed, with UV Protection - 1 Gallon, Pecan

Seal-Once Nano+Poly Penetrating Wood Sealer with Polyurethane - Premium Waterproof Sealant - 2 Gallon & Clear

PenofinTransparent Penetrating Oil Finish Stain & Sealer 1 Gallon cedar 292876

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