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20 Best Water Seal For Decks (2023 Updated)

Water seal 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 creates a barrier between the deck and the water, preventing the wood from absorbing moisture and becoming damaged.

20 Best Water Seal For Decks

Product Image Product Name Features Price

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.

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

Thompsons Waterseal Th.042811-16 Semi-Transparent Waterproofing Stain, Harvest Gold

  • Prevents Water Damage
  • Advanced Polymers Provide Fade Resistant Color
  • Coating Resists Mildew and UV Damage

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

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

Thompson's WaterSeal Waterproofing Stain, Solid, Maple Brown – 1 gal

  • Prevents Water Damage
  • Advanced Polymers Provide Fade Resistant Color
  • Coating Resists Mildew and UV Damage

Thompsons Waterseal 21802 VOC Wood Protector, 1.2-Gallon, Clear

  • Item Weight: 9.65 lb
  • Country of Origin: China
  • Brand name: Thompsons Water Seal

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

Thompsons Waterseal Transparent Waterproofing Stain, Acorn Brown

  • Prevents Water Damage
  • Advanced Polymers Provide Fade Resistant Color
  • Coating Resists Mildew and UV Damage

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

  • 1 Gallon

Thompsons Waterseal 043811-16 Waterproofing Stain, Solid, Harvest Gold,

  • Prevents Water Damage
  • Advanced Polymers Provide Fade Resistant Color
  • Coating Resists Mildew and UV Damage

Thompson's Waterseal Multi-Surface Waterproofer, Clear, 5 Gallon

  • This item is Thompson’s Multi-Surface Water seal Voc 5 Gl
  • Used For Painting Supplies, Caulk & Sealants Accessories
  • The product is manufactured in United States

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

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 Transparent Wood Sealer, Natural Cedar, 1 Gallon

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

Ronseal 36285 Thompsons Water Seal 2.5 Litre

  • Thompson’s Water Seal utilises hydrophobic technology to deliver invisible protection against water damage.
  • Assuming application instructions and coverage guidelines are adhered to it provides effective water repellency for years.
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.
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
Thompsons Waterseal Th.042811-16 Semi-Transparent Waterproofing Stain, Harvest Gold
  • Prevents Water Damage
  • Advanced Polymers Provide Fade Resistant Color
  • Coating Resists Mildew and UV Damage
Thompson's WaterSeal Clear Multi-Surface Waterproofer – 12 oz spray bottle
  • Size: 12 ounce
  • Approximate Coverage: 50 Sq. Ft/Can
  • Prevents Water Damage
Thompson's WaterSeal Waterproofing Stain, Solid, Maple Brown – 1 gal
  • Prevents Water Damage
  • Advanced Polymers Provide Fade Resistant Color
  • Coating Resists Mildew and UV Damage
Thompsons Waterseal 21802 VOC Wood Protector, 1.2-Gallon, Clear
  • Item Weight: 9.65 lb
  • Country of Origin: China
  • Brand name: Thompsons Water Seal
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
Thompsons Waterseal Transparent Waterproofing Stain, Acorn Brown
  • Prevents Water Damage
  • Advanced Polymers Provide Fade Resistant Color
  • Coating Resists Mildew and UV Damage
Thompson's Waterseal Waterproofer Plus Wood Protector, Clear, 1 Gallon
  • 1 Gallon
Thompsons Waterseal 043811-16 Waterproofing Stain, Solid, Harvest Gold,
  • Prevents Water Damage
  • Advanced Polymers Provide Fade Resistant Color
  • Coating Resists Mildew and UV Damage
Thompson's Waterseal Multi-Surface Waterproofer, Clear, 5 Gallon
  • This item is Thompson’s Multi-Surface Water seal Voc 5 Gl
  • Used For Painting Supplies, Caulk & Sealants Accessories
  • The product is manufactured in United States
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
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 Transparent Wood Sealer, Natural Cedar, 1 Gallon
  • Durable Protection from Water & Sun Damage
  • Year-Round Protection in Just One Coat
  • Enhances Wood Grain
Ronseal 36285 Thompsons Water Seal 2.5 Litre
  • Thompson’s Water Seal utilises hydrophobic technology to deliver invisible protection against water damage.
  • Assuming application instructions and coverage guidelines are adhered to it provides effective water repellency for years.

1. 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

2. 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

3. Thompsons Waterseal Th.042811-16 Semi-Transparent Waterproofing Stain, Harvest Gold

Thompsons Waterseal Th.042811-16 Semi-Transparent Waterproofing Stain, Harvest Gold

  • Prevents Water Damage
  • Advanced Polymers Provide Fade Resistant Color
  • Coating Resists Mildew and UV Damage
  • Applies to Freshly Cleaned Damp or Dry Wood

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Sold By Price
Amazon.com – Seller
eBay – khardwarestores
litvon
MechanicSurplus.com

Product Details

Specifications

Details
Surface Recommendation Wood
Item Dimensions LxWxH 7 x 4.5 x 10.6 inches
Recommended Uses For Product Exterior
Opacity Semi-transparent
CPSIA Cautionary Statement No Warning Applicable

Reviews From Real Customers

kbockover

4. 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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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

5. Thompson’s WaterSeal Waterproofing Stain, Solid, Maple Brown – 1 gal

Thompson's WaterSeal  Waterproofing Stain, Solid, Maple Brown - 1 gal

  • 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.com

Product Details

Specifications

Details
Surface Recommendation Wood
Item Dimensions LxWxH 6.63 x 6.63 x 7.69 inches
Recommended Uses For Product Exterior
Opacity Solid
CPSIA Cautionary Statement No Warning Applicable

6. Thompsons Waterseal 21802 VOC Wood Protector, 1.2-Gallon, Clear

Thompsons Waterseal 21802 VOC Wood Protector, 1.2-Gallon, Clear

  • Item Weight: 9.65 lb
  • Country of Origin: China
  • Brand name: Thompsons Water Seal
  • Item Dimensions: 4.1”L x 6.6”W x 11.0”H

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Amazon.com – Seller
eBay
Walmart
Fred Meyer

Product Details

Specifications

Details
Container Size 1 GALLON
Application Method Brush Pad Roller Spray
Product Type Sealant
Color Clear
Product Weight 9.6500 lb

7. 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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Sold By Price
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

8. 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

9. 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

10. 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

11. Thompsons Waterseal 043811-16 Waterproofing Stain, Solid, Harvest Gold,

Thompsons Waterseal 043811-16 Waterproofing Stain, Solid, Harvest Gold,

  • 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

Check Latest Price

Sold By Price
Amazon
eBay – max_warehouse
Life and Home
Max Warehouse

Product Details

Specifications

Details
Product Type Waterproofing Wood Sealer
Transparency Solid
Tintable No
Color Harvest Gold
Water Repellent Yes

12. Thompsons Waterseal Wood Sealer Clear 1.2gal

Thompsons Waterseal Wood Sealer Clear 1.2gal

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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

13. Thompson’s Waterseal Multi-Surface Waterproofer, Clear, 5 Gallon

Thompson's Waterseal Multi-Surface Waterproofer, Clear, 5 Gallon

  • This item is Thompson’s Multi-Surface Water seal Voc 5 Gl
  • Used For Painting Supplies, Caulk & Sealants Accessories
  • The product is manufactured in United States

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Amazon
eBay – unbeatablesales
Walmart
Lowe’s

Product Details

Specifications

Details
Product Type Multi-Surface Waterproofer
Base Type Water-Based
Indoor or Outdoor Outdoor
Full Cure Time 24 hr
Container Size 5 gal

14. 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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Amazon
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

15. Thompsons Water Seal 24111 1.2-Gallon Clear Low VOC Water Sealer for Exterior Use

Thompsons Water Seal 24111 1.2-Gallon Clear Low VOC Water Sealer for Exterior Use

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Amazon
Sears

Product Details

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. 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

18. Thompson’s Waterseal Transparent Wood Sealer, Natural Cedar, 1 Gallon

Thompson's Waterseal Transparent Wood Sealer, Natural Cedar, 1 Gallon

  • Durable Protection from Water & Sun Damage
  • Year-Round Protection in Just One Coat
  • Enhances Wood Grain
  • Guaranteed 4 Years on Decks, 5 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 on decks, fencing and siding
For Use with Siding yes
For Use with Decking yes
For Use with Fencing yes
Furniture Ready 24 hours

19. Thompson’s Waterseal Th.043811-16 Solid Exterior Stain & Sealer, Gallon

Thompson's Waterseal Th.043811-16 Solid Exterior Stain & Sealer, Gallon

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Walmart – ADVENTURERS BAG

Product Details

20. Ronseal 36285 Thompsons Water Seal 2.5 Litre

Ronseal 36285 Thompsons Water Seal 2.5 Litre

  • Thompson’s Water Seal utilises hydrophobic technology to deliver invisible protection against water damage.
  • Assuming application instructions and coverage guidelines are adhered to it provides effective water repellency for years.
  • Suitable for use on brick, concrete, stone and wood. For exterior use only.

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bigamart.com

Product Details

Specifications

Details
dimensions 16.9 x 17.7 x 11 cm; 2.79 Kilograms

Reviews From Real Customers

DannyMK

Conclusion

There are many different ways to create a water seal for your deck. The best way to figure out which method is best for you is to consult with a professional. They will be able to help you choose the right materials and methods for your particular deck.

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