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20 Best Wood Sealer For Outdoors (2023 Updated)

A wood sealer is a coating that is applied to outdoor wood surfaces in order to protect them from the elements. Sealers provide a barrier against moisture, UV rays, and other environmental factors that can cause wood to degrade over time.

They also enhance the wood’s natural beauty by bringing out its grain and color.

20 Best Wood Sealer For Outdoors

Product Image Product Name Features Price

Ready Seal 112 Natural Cedar Exterior Wood Stain and Sealer, 1 Gallon

  • 1 Gal

Seal-Once So7614 1 Gal Marine Premium Wood Sealer

  • 1 Gallon

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

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

Watco 67741 1 Quart Natural Exterior Wood Finish

  • Ideal for use on exterior wood including decks, siding, fences and more
  • Unique penetrating oil hardens in the wood, not on the wood for long-lasting protection

Anchorseal 2 Green Wood Sealer Quart

  • Quart

Pettit Clear Sealer Quart

  • Quart

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 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

Flood Cwf-uv Penetrating Wood Finish, Natural, Size: 1 gal

  • Oil-Based Finish Ideal For Newer , Less Weathered Wood
  • Adds Minimal Color And Highlights The Natural Wood Grain
  • Penetrates And Protects Against Moisture And Sun Damage , Resists Mildew

Kilz Exterior Waterproofing Wood Stain, Semi-Transparent, Cedar, 1 Gallon

  • Provides up to three years of protection for decks
  • Provides up to five years of protection on fences and siding
Ready Seal 112 Natural Cedar Exterior Wood Stain and Sealer, 1 Gallon
  • 1 Gal
Seal-Once So7614 1 Gal Marine Premium Wood Sealer
  • 1 Gallon
Thompsons Waterseal 21802 VOC Wood Protector, 1.2-Gallon, Clear
  • Item Weight: 9.65 lb
  • Country of Origin: China
  • Brand name: Thompsons Water Seal
Watco 67741 1 Quart Natural Exterior Wood Finish
  • Ideal for use on exterior wood including decks, siding, fences and more
  • Unique penetrating oil hardens in the wood, not on the wood for long-lasting protection
Anchorseal 2 Green Wood Sealer Quart
  • Quart
Pettit Clear Sealer Quart
  • Quart
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 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
Flood Cwf-uv Penetrating Wood Finish, Natural, Size: 1 gal
  • Oil-Based Finish Ideal For Newer , Less Weathered Wood
  • Adds Minimal Color And Highlights The Natural Wood Grain
  • Penetrates And Protects Against Moisture And Sun Damage , Resists Mildew
Kilz Exterior Waterproofing Wood Stain, Semi-Transparent, Cedar, 1 Gallon
  • Provides up to three years of protection for decks
  • Provides up to five years of protection on fences and siding

1. Ready Seal 112 Natural Cedar Exterior Wood Stain and Sealer, 1 Gallon

Ready Seal 112 Natural Cedar Exterior Wood Stain and Sealer, 1 Gallon

  • 1 Gal

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Lowe’s

Product Details

Specifications

Details
Container Size 1 Gal
Color Natural Cedar
Included (qty.) 1
Product Weight 7 lb
Dimensions L x W x H (in.) 6 1/2 x 6 1/2 x 12 1/4

2. Seal-Once So7614 1 Gal Marine Premium Wood Sealer

Seal-Once So7614 1 Gal Marine Premium Wood Sealer

  • 1 Gallon

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Home Depot

Product Details

Specifications

Details
Weight 10 lb

Reviews From Real Customers

Richard S.
Earl
Eric Gulino

3. 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

Reviews From Real Customers

designer_handbag_babe

4. Watco 67741 1 Quart Natural Exterior Wood Finish

Watco 67741 1 Quart Natural Exterior Wood Finish

  • Ideal for use on exterior wood including decks, siding, fences and more
  • Unique penetrating oil hardens in the wood, not on the wood for long-lasting protection
  • Allow at least 8 hours to dry before light use; 1 quart covers up to 170 sq ft
  • Provides UV and mildew protection, resists warping and swelling due to changes in weather, and transforms wood to become water repellent
  • Will not crack, chip or peel creating a long-lasting finish

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Amazon.com – Seller
Walmart
Ace Hardware
McGuckin Hardware

Product Details

Specifications

Details
Color Natural
Product Type Wood Finish
Base Type Oil-Based
Time Before Recoating 15 min
Paintable Yes

Reviews From Real Customers

Leonard
Timothy K
Timothy K.

5. Anchorseal 2 Green Wood Sealer Quart

Anchorseal 2 Green Wood Sealer Quart

  • Quart

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Amazon.com – Seller
eBay – woodcraft_supply
Woodcraft Supply
Zoro

Product Details

Specifications

Details
Length 4.15 in
Height 4.95 in
Width 4.2 in
Weight 2.35 lb

Reviews From Real Customers

Russell
westfieldriver123
horse4dogs

6. 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

Reviews From Real Customers

Do it right

7. Pettit Clear Sealer Quart

Pettit Clear Sealer Quart

  • Quart

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Amazon
Walmart
Defender Industries
Go2marine

Product Details

Specifications

Details
Packaged Weight 2.05 Lbs.
Number of coats 1-2
Coverage (theoretical) 500 sq. ft. / gal

Reviews From Real Customers

jamestowndistributors.com
Experienced boater
meg122183

8. 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

9. 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

10. 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

Reviews From Real Customers

mistress4paws
Lindsayyminaj

11. Ready Seal 5 Gal Pail Exterior Wood Stain & Sealer, Golden Pine

Ready Seal 5 Gal Pail Exterior Wood Stain & Sealer, Golden Pine

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Amazon
Sears

Product Details

Specifications

Details
Style Golden
Capacity 5 gal

12. 4pk Ready Seal 145 Exterior Stain and Sealer for Wood, Burnt Hickory

4pk Ready Seal 145 Exterior Stain and Sealer for Wood, Burnt Hickory

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Amazon
Walmart – ADVENTURERS BAG

Product Details

13. Flood Cwf-uv Penetrating Wood Finish, Natural, Size: 1 gal

Flood Cwf-uv Penetrating Wood Finish, Natural, Size: 1 gal

  • Oil-Based Finish Ideal For Newer , Less Weathered Wood
  • Adds Minimal Color And Highlights The Natural Wood Grain
  • Penetrates And Protects Against Moisture And Sun Damage , Resists Mildew
  • Tools Clean Easily With Soap And Water
  • Mfg #409163 1 Gallon Flood CWF-UV

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Walmart
Home Depot

Product Details

14. Ready Seal 112 Stain/Slr EXT WD Nat CDR CN 1G (Case of 4)

Ready Seal 112 Stain/Slr EXT WD Nat CDR CN 1G (Case of 4)

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Amazon
Contractor’s Wholesale Supplies

Product Details

15. TotalBoat Wood Sealer Varnish Primer Clear Quart Kit

TotalBoat Wood Sealer Varnish Primer Clear Quart Kit

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Amazon
TotalBoat

Product Details

Specifications

Details
Application Brush, Roll, or Spray

Reviews From Real Customers

Captain Gare Bear
Capt'n Marty
???

16. Kilz Exterior Waterproofing Wood Stain, Semi-Transparent, Cedar, 1 Gallon

Kilz Exterior Waterproofing Wood Stain, Semi-Transparent, Cedar, 1 Gallon

  • Provides up to three years of protection for decks
  • Provides up to five years of protection on fences and siding

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Amazon
litvon

Product Details

Specifications

Details
Product Dimensions 6.63 x 6.63 x 7.65 inches
Country of Origin USA
Style Semi-Transparent
Item Package Quantity 1
Number of Handles 1

17. BEHR Premium 1 gal. Deep Base Solid Color Waterproofing Exterior Wood Stain and Sealer, Multi

BEHR Premium 1 gal. Deep Base Solid Color Waterproofing Exterior Wood Stain and Sealer, Multi

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eBay

Product Details

18. 5 gal. #ST-210 Ultra Pure White Semi-Transparent Waterproofing Exterior Wood Stain and Sealer

5 gal. #ST-210 Ultra Pure White Semi-Transparent Waterproofing Exterior Wood Stain and Sealer

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eBay – kingtazietoolsandhomegoods
Bonanza – Kingtazie’s Tools and Home Goods

Product Details

19. BEHR Premium 1 gal. White Base Solid Color Waterproofing Exterior Wood Stain and Sealer

BEHR Premium 1 gal. White Base Solid Color Waterproofing Exterior Wood Stain and Sealer

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Product Details

Specifications

Details
Transparency Solid
Container Size 1 Gallon
Coverage Area (sq. ft.) 200
Application Method Brush,Paint Sprayer,Roller
Color/Finish White Base

20. Olympic Waterguard 1 gal. Woodland Cedar Transparent Exterior Wood Stain and Sealer

Olympic Waterguard 1 gal. Woodland Cedar Transparent Exterior Wood Stain and Sealer

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Walmart
Home Depot

Product Details

Specifications

Details
Transparency Transparent
Container Size 1 Gallon
Application Method Brush,Pad,Paint Sprayer
Color/Finish Woodland Cedar Transparent
Dry to touch (min.) 240 min

Reviews From Real Customers

AmberM86

Conclusion

The best wood sealer for outdoors is one that will protect your wood from the elements and keep it looking good for years to come. There are many different types of sealers on the market, so it is important to choose one that is right for your particular project.

If you are unsure of which sealer to use, consult with a professional before making your final decision.

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