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20 Best Water Sealant For Decks (2023 Updated)

Water sealant for decks is a type of sealant that is applied to the surface of a deck in order to protect it from water damage. This sealant is typically a clear or transparent material that is applied to the surface of the deck in order to create a barrier between the deck and the water.

This barrier will help to prevent the deck from becoming waterlogged and damaged over time.

20 Best Water Sealant For Decks

Product Image Product Name Features Price

Thompsons Waterseal 24111 1.2 Gallon Clear

  • Prevents water damage
  • Beads and waterproofs a variety of surfaces
  • Works on masonry, brick, concrete, decks, fences, etc

Gorilla All-Purpose 100% Silicone Sealant, Clear – 10 fl oz tube

  • 10 oz

Seal-Once Marine Premium Wood Sealer – Waterproof Sealant – Wood Stain and Sealer in One – 1 Gallon & Bronze Cedar

  • 1 Gallon

Thompson's Waterseal Semi-Transparent Waterproofing Stain, Acorn Brown – 1 gal canister

  • Exterior wood stain and sealer that provides complete outdoor wood protection.
  • Formula is moderately pigmented to add beautiful color, but still show some wood texture and grain.

Thompson's WaterSeal Clear Multi-Surface Waterproofer – 12 oz spray bottle

  • Size: 12 ounce
  • Approximate Coverage: 50 Sq. Ft/Can
  • Prevents Water Damage

3M 5200 10 oz. Marine Adhesive/Sealant, White

  • 10 oz

Thompsons WaterSeal Waterproofing Stain – 1 gal can

  • Wood sealer and stain, all in one
  • Prevents water damage
  • Use on decks and fences, outdoor furniture, exterior wood

Olympic Waterguard 1 gal. Clear Multi-Surface Waterproofing Sealant

  • Penetrates and protects against water damager
  • Provides a mildew resistant coating
  • Simple cleanup with soap and water

Thompson's Waterseal Semi-Transparent Natural Cedar Waterproofing Wood Stain and Sealer 1 Gal

  • Durable Protection from Water & Sun Damage
  • Year-Round Protection in Just One Coat
  • Enhances Wood Grain

IPE Oil Hardwood Deck Finish

  • 250

Thompson's Waterseal Pre-tinted Chestnut Brown Semi-Transparent Exterior Wood and Sealer (1-Gallon)

  • Durable Protection from Water & Sun Damage
  • Year-Round Protection in Just One Coat
  • Enhances Wood Grain

Thompson's Waterseal Waterproofer Plus Wood Protector, Clear, 1 Gallon

  • 1 Gallon

Deck Grip 1 gal. Clear Semi-Gloss Waterbased Non-Slip Exterior/Interior Concrete …

  • Easy to install.
  • 400 Sq Ft per gallon.
  • Use it on pool decks and sealed concrete.

Sealant, Underwater Magic, 290ml/9.8oz TUBE, Gray

  • No complicated mixing
  • No clouds in your pool
  • Use it while your pool is in use

Thompsons Waterseal Transparent Waterproofing Stain, Acorn Brown

  • Prevents Water Damage
  • Advanced Polymers Provide Fade Resistant Color
  • Coating Resists Mildew and UV Damage
Thompsons Waterseal 24111 1.2 Gallon Clear
  • Prevents water damage
  • Beads and waterproofs a variety of surfaces
  • Works on masonry, brick, concrete, decks, fences, etc
Gorilla All-Purpose 100% Silicone Sealant, Clear – 10 fl oz tube
  • 10 oz
Seal-Once Marine Premium Wood Sealer – Waterproof Sealant – Wood Stain and Sealer in One – 1 Gallon & Bronze Cedar
  • 1 Gallon
Thompson's Waterseal Semi-Transparent Waterproofing Stain, Acorn Brown – 1 gal canister
  • Exterior wood stain and sealer that provides complete outdoor wood protection.
  • Formula is moderately pigmented to add beautiful color, but still show some wood texture and grain.
Thompson's WaterSeal Clear Multi-Surface Waterproofer – 12 oz spray bottle
  • Size: 12 ounce
  • Approximate Coverage: 50 Sq. Ft/Can
  • Prevents Water Damage
3M 5200 10 oz. Marine Adhesive/Sealant, White
  • 10 oz
Thompsons WaterSeal Waterproofing Stain – 1 gal can
  • Wood sealer and stain, all in one
  • Prevents water damage
  • Use on decks and fences, outdoor furniture, exterior wood
Olympic Waterguard 1 gal. Clear Multi-Surface Waterproofing Sealant
  • Penetrates and protects against water damager
  • Provides a mildew resistant coating
  • Simple cleanup with soap and water
Thompson's Waterseal Semi-Transparent Natural Cedar Waterproofing Wood Stain and Sealer 1 Gal
  • Durable Protection from Water & Sun Damage
  • Year-Round Protection in Just One Coat
  • Enhances Wood Grain
IPE Oil Hardwood Deck Finish
  • 250
Thompson's Waterseal Pre-tinted Chestnut Brown Semi-Transparent Exterior Wood and Sealer (1-Gallon)
  • Durable Protection from Water & Sun Damage
  • Year-Round Protection in Just One Coat
  • Enhances Wood Grain
Thompson's Waterseal Waterproofer Plus Wood Protector, Clear, 1 Gallon
  • 1 Gallon
Deck Grip 1 gal. Clear Semi-Gloss Waterbased Non-Slip Exterior/Interior Concrete …
  • Easy to install.
  • 400 Sq Ft per gallon.
  • Use it on pool decks and sealed concrete.
Sealant, Underwater Magic, 290ml/9.8oz TUBE, Gray
  • No complicated mixing
  • No clouds in your pool
  • Use it while your pool is in use
Thompsons Waterseal Transparent Waterproofing Stain, Acorn Brown
  • Prevents Water Damage
  • Advanced Polymers Provide Fade Resistant Color
  • Coating Resists Mildew and UV Damage

1. Thompsons Waterseal 24111 1.2 Gallon Clear

Thompsons Waterseal 24111 1.2 Gallon Clear

  • Prevents water damage
  • Beads and waterproofs a variety of surfaces
  • Works on masonry, brick, concrete, decks, fences, etc
  • Exterior use only

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Amazon.com – Seller
eBay
Walmart
Lowe’s

Product Details

Specifications

Details
Transparency Fully-Transparent
Product Type Multi-Surface Waterproofer
Indoor or Outdoor Outdoor
VOC Level Low VOC
Paintable Yes

2. Gorilla All-Purpose 100% Silicone Sealant, Clear – 10 fl oz tube

Gorilla All-Purpose 100% Silicone Sealant, Clear - 10 fl oz tube

  • 10 oz

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Amazon.com
Walmart
Gemplers
Valu Home Centers

Product Details

Specifications

Details
Brand Gorilla Glue
Color Clear
Chemical Base Silicone
Cure Time 30 min
Product Form Paste

Reviews From Real Customers

SunnyBunny
Anna S.
Looking 7.

3. Seal-Once Marine Premium Wood Sealer – Waterproof Sealant – Wood Stain and Sealer in One – 1 Gallon & Bronze Cedar

Seal-Once Marine Premium Wood Sealer - Waterproof Sealant - Wood Stain and Sealer in One - 1 Gallon & Bronze Cedar

  • 1 Gallon

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Amazon.com – Seller

Product Details

Specifications

Details
Surface Recommendation Wood
Coating Description Water-based

4. Thompson’s Waterseal Semi-Transparent Waterproofing Stain, Acorn Brown – 1 gal canister

Thompson's Waterseal Semi-Transparent Waterproofing Stain, Acorn Brown - 1 gal canister

  • Exterior wood stain and sealer that provides complete outdoor wood protection.
  • Formula is moderately pigmented to add beautiful color, but still show some wood texture and grain.
  • Prevents Water Damage; Coating Resists Mildew and UV Damage.
  • Advanced Polymers Provide Fade Resistant Color.
  • Applies to Freshly Cleaned Damp or Dry Wood; Color: Acorn Brown.

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Amazon.com – Seller
eBay – khardwarestores
Fred Meyer
Life and Home

Product Details

Specifications

Details
Tintable No
Time Before Recoating 2 hr.
Sealer Yes
Water Repellent Yes
Recommended Surface Wood

5. Thompson’s WaterSeal Clear Multi-Surface Waterproofer – 12 oz spray bottle

Thompson's WaterSeal Clear Multi-Surface Waterproofer - 12 oz spray bottle

  • Size: 12 ounce
  • Approximate Coverage: 50 Sq. Ft/Can
  • Prevents Water Damage
  • Beads and Waterproofs
  • Allows Wood to Gray Naturally

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Amazon.com – Seller
Walmart
Lowe’s
Ace Hardware

Product Details

Specifications

Details
Base Type Water-Based
Indoor or Outdoor Outdoor
Product Type Multi-Surface Waterproofer
Paintable Yes
Transparency Fully-Transparent

Reviews From Real Customers

Mt

6. 3M 5200 10 oz. Marine Adhesive/Sealant, White

3M 5200 10 oz. Marine Adhesive/Sealant, White

  • 10 oz

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Amazon.com
Home Depot
Jamestown Distributors
West Marine

Product Details

Specifications

Details
Brand 3M
Chemical Base Polyurethane
Cure Time 5 days
Exact Fixture Time 30 hr
Color White

Reviews From Real Customers

conjoin
DaleW
captsteve

7. Olympic Waterguard 11 oz, Clear Exterior Wood Sealer Spray

Olympic Waterguard 11 oz, Clear Exterior Wood Sealer Spray

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Amazon
Home Depot

Product Details

Specifications

Details
Transparency Clear
Container Size 11 Ounce
Sheen Flat/Matte
Surface Location Deck
Coverage Area (sq. ft.) 25

8. Thompsons WaterSeal Waterproofing Stain – 1 gal can

Thompsons WaterSeal Waterproofing Stain - 1 gal can

  • Wood sealer and stain, all in one
  • Prevents water damage
  • Use on decks and fences, outdoor furniture, exterior wood

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Amazon
MechanicSurplus.com

Product Details

Specifications

Details
Coverage Area 275 sq ft
Tintable No
Brand Name Thompson’s WaterSeal
Product Type Waterproofing Wood Stain and Sealer
UV Resistant Yes

9. Thompson’s Waterseal Transparent Acorn Brown Waterproofing Wood Stain and Sealer 5 Gal

Thompson's Waterseal Transparent Acorn Brown Waterproofing Wood Stain and Sealer 5 Gal

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Amazon
eBay – max_warehouse
Walmart
Life and Home

Product Details

Specifications

Details
Coverage Area 1375 sq ft
Tintable No
Transparency Transparent
Product Type Waterproofing Wood Stain and Sealer
Water Repellent Yes

10. Olympic Waterguard 1 gal. Clear Multi-Surface Waterproofing Sealant

Olympic Waterguard 1 gal. Clear Multi-Surface Waterproofing Sealant

  • Penetrates and protects against water damager
  • Provides a mildew resistant coating
  • Simple cleanup with soap and water

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Amazon
Walmart – UnbeatableSale

Product Details

Specifications

Details
Color/Finish Clear
Recommended Number of Coats 1
Vertical/Horizontal Vertical / Horizontal
Minimum Optimal Temperature (F) 50
Interior/Exterior Exterior

11. Thompsons Waterseal Wood Sealer Clear 1.2gal

Thompsons Waterseal Wood Sealer Clear 1.2gal

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Amazon
eBay – ronshomeandhardware
Ace Hardware
Sears

Product Details

Specifications

Details
Base Type Oil-Based
Container Size 1.2 gal
Indoor or Outdoor Outdoor
Full Cure Time 48 hr
Time Before Recoating 2 hr

12. Deck-O-Seal Pool Deck Sealant Gray 96 oz. 4701032 – 2 Pack

Deck-O-Seal Pool Deck Sealant Gray 96 oz. 4701032 - 2 Pack

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Amazon
Pool Supply Unlimited

Product Details

Reviews From Real Customers

H. K.
J. B.
M.E. R.

13. Thompson’s Waterseal Semi-Transparent Natural Cedar Waterproofing Wood Stain and Sealer 1 Gal

Thompson's Waterseal Semi-Transparent Natural Cedar Waterproofing Wood Stain and Sealer 1 Gal

  • Durable Protection from Water & Sun Damage
  • Year-Round Protection in Just One Coat
  • Enhances Wood Grain
  • Guaranteed 5 Years on Decks, 7 Years on Fences and Siding
  • Exceeds Industry Standard ASTM D-4446 for Waterproofing Wood

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Walmart
Lowe’s
Ace Hardware

Product Details

Specifications

Details
For use on decks, fencing and siding
For Use with Siding yes
For Use with Decking yes
Furniture Ready 24 hours
UV Protection yes

14. IPE Oil Hardwood Deck Finish

IPE Oil Hardwood Deck Finish

  • 250

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Amazon
eBay
Walmart – The Stain Depot
DIY Home Center

Product Details

Specifications

Details
Transparency Semi-Transparent
Container Size 1 Gallon
Sheen Satin
Coverage Area (sq. ft.) 300
Application Method Brush,Cloth,Roller

Reviews From Real Customers

Matthew N.
Linda R.
Amy O.

15. Olympic WaterGuard 5 gal. Clear Multi-Surface Waterproofing Sealant

Olympic WaterGuard 5 gal. Clear Multi-Surface Waterproofing Sealant

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Amazon
Home Depot

Product Details

Specifications

Details
Container Size 5 Gallon
Transparency Clear
Sheen Natural Stain
Coverage Area (sq. ft.) 750 sq ft
Application Method Brush,Paint Sprayer,Pump-up Sprayer,Roller

16. Thompson’s Waterseal Pre-tinted Chestnut Brown Semi-Transparent Exterior Wood and Sealer (1-Gallon)

Thompson's Waterseal Pre-tinted Chestnut Brown Semi-Transparent Exterior Wood and Sealer (1-Gallon)

  • Durable Protection from Water & Sun Damage
  • Year-Round Protection in Just One Coat
  • Enhances Wood Grain
  • Guaranteed 5 Years on Decks, 7 Years on Fences and Siding
  • Exceeds Industry Standard ASTM D-4446 for Waterproofing Wood

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Amazon
Walmart
Lowe’s
Ace Hardware

Product Details

Specifications

Details
For Use with Siding Yes
For Use with Fencing Yes
For Use on Wood Yes
Pre-Tinted Yes
Low VOC No

17. Thompson’s Waterseal Waterproofer Plus Wood Protector, Clear, 1 Gallon

Thompson's Waterseal Waterproofer Plus Wood Protector, Clear, 1 Gallon

  • 1 Gallon

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Amazon
Walmart – Flaritys
Bonanza – A Little Bit of Everything From Texas

Product Details

Specifications

Details
Transparency Transparent
Container Size 1 gal
Form Liquid
Application Method Brush-on
Drying Time 10 min

18. Deck Grip 1 gal. Clear Semi-Gloss Waterbased Non-Slip Exterior/Interior Concrete …

Deck Grip 1 gal. Clear Semi-Gloss Waterbased Non-Slip Exterior/Interior Concrete ...

  • Easy to install.
  • 400 Sq Ft per gallon.
  • Use it on pool decks and sealed concrete.
  • Non slip texture easy on bare feet.
  • It dries clear with a semi-gloss finish and is easy to apply.

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Amazon
eBay – slip_doctors
Walmart – SlipDoctors
Home Depot

Product Details

Specifications

Details
Low VOC Yes
Pre-Tinted No
Package Quantity 1
Maximum Working Temperature (Fahrenheit) 100
Waterproof Yes
Recommended Surfaces Horizontal
For Use on Wood No
Number of Coats Recommended 2
Minimum Working Temperature (Fahrenheit) 40
Maximum Coverage Area (Sq. Feet) 500
Tintable No
Sheen Semi-gloss
Container Size 1-gallon
Anti-Skid Yes
Mildew Resistant Yes
Mold Resistant Yes
UV Resistant Yes
Furniture Ready 4 hours
Recommended Use Pool deck and walkway
Paint Color Family Clear
For Use on Concrete Yes
Clean-up Method Mineral spirits
For Use on Patios Yes
Primer Recommended No
Minimum Coverage Area (Sq. Feet) 300
Dry to Walk 4 hours

Reviews From Real Customers

Michael D
Todd V
Kelley I.

19. Sealant, Underwater Magic, 290ml/9.8oz TUBE, Gray

Sealant, Underwater Magic, 290ml/9.8oz TUBE, Gray

  • No complicated mixing
  • No clouds in your pool
  • Use it while your pool is in use
  • No silicone contamination

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Sold By Price
Amazon
Walmart – PST Pool Supplies
Pool Spa Supplies
Wild West Pool Supplies

Product Details

Specifications

Details
Warehouse Location Memphis, TN

Reviews From Real Customers

Ana P.
fred_dude

20. Thompsons Waterseal Transparent Waterproofing Stain, Acorn Brown

Thompsons Waterseal Transparent Waterproofing Stain, Acorn Brown

  • Prevents Water Damage
  • Advanced Polymers Provide Fade Resistant Color
  • Coating Resists Mildew and UV Damage
  • Applies to Freshly Cleaned Damp or Dry Wood
  • Exceeds Industry Standard ASTM D-4446 for Waterproofing Wood

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Amazon
eBay – khardwarestores
Life and Home
litvon

Product Details

Specifications

Details
Manufacturer Part Number 41841
Product Name DVD Jewel Case
Packaged Quantity 5
Product Type Optical Disc Case
Style Jewel Case

Conclusion

Water sealant for decks is a type of sealant that is applied to the surface of the deck in order to protect it from the elements. Water sealant for decks is typically made from a variety of different materials, including latex, acrylic, and silicone.

Water sealant for decks is typically applied in a thin layer to the surface of the deck and then allowed to dry. Once dry, water sealant for decks will typically last for several years before needing to be reapplied.

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