Best Waterproofing For Pressure Treated Wood

Peter | 06-01-2026

In this article, we will explore the Best Waterproofing For Pressure Treated Wood that are now on the market. In addition to that, we have provided you with a detailed guide that will assist you in choosing the right product. We really hope that by looking through the reviews of the top Best Waterproofing For Pressure Treated Wood products that we’ve provided below, you’ll be able to quickly narrow your choices and select the one that best satisfies your needs.

We have spent lots of time testing. According to our research, we think OLYMPIC Best Waterproofing For Pressure Treated Wood is the best overall. For more of our top picks, read on! Also, check out our buying guide for some tips on how to choose the right Best Waterproofing For Pressure Treated Wood.

Editor's Choice
Olympic WaterGuard 11 oz. Clear Exterior Waterproofing Wood Sealer Spray
Olympic WaterGuard 11 oz. Clear Exterior Waterproofing Wood Sealer Spray
Premium Pick
Olympic WaterGuard 5 gal. Clear Exterior Waterproofing Wood Sealer
Olympic WaterGuard 5 gal. Clear Exterior Waterproofing Wood Sealer
Budget Pick
Thompson’s WaterSeal Transparent Waterproofing Wood Stain and Sealer, Natural Cedar, 1 Gallon
Thompson’s WaterSeal Transparent Waterproofing Wood Stain and Sealer, Natural Cedar, 1 Gallon

Top 10 Best Waterproofing For Pressure Treated Wood

We researched and compared the top products in the Best Waterproofing For Pressure Treated Wood category to provide you with these recommendations.

1. Olympic WaterGuard 11 oz. Clear Exterior Waterproofing Wood Sealer Spray

Olympic WaterGuard 11 oz. Clear Exterior Waterproofing Wood Sealer Spray
9.1

Olympic

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  • Ready to use clear sealant and waterproofer
  • Perfect for new wood, pressure-treated wood, weathered wood and wood with a weathered clear or semi-transparent stain
  • Durable sealant that provides waterproofing protection
  • Repels water
  • Provides SUNBLOCK UV protection
  • Provides a resistant coating
  • Penetrates the surface for protection
  • Clean up with just soap and water

2. Olympic WaterGuard 1 gal. Clear Exterior Waterproofing Wood Sealer

Olympic WaterGuard 1 gal. Clear Exterior Waterproofing Wood Sealer
7.9

Olympic

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  • Ready to use clear wood sealant and waterproofer
  • Perfect for new wood, pressure-treated wood, weathered wood and wood with a weathered clear or semi-transparent stain
  • Durable water base sealant that provides waterproofing protection; Coverage up to 350 sq. ft. per gallon
  • Repels water
  • Provides SUNBLOCK UV protection
  • Provides a resistant coating
  • Use on exterior wood surfaces including decks, fences, siding, railings, outdoor furniture and other wood or previously coated wood with a weathered clear sealant or semi-transparent stain
  • Water based stain cleans easily with soap and water

3. Olympic WaterGuard 5 gal. Clear Exterior Waterproofing Wood Sealer

Olympic WaterGuard 5 gal. Clear Exterior Waterproofing Wood Sealer
9.1

Olympic

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  • Ready to use clear wood sealant and waterproofer
  • Perfect for new wood, pressure-treated wood, weathered wood and wood with a weathered clear or semi-transparent stain
  • Durable water base sealant that provides waterproofing protection; Coverage up to 350 sq. ft. per gallon
  • Repels water
  • Provides SUNBLOCK UV protection
  • Provides a resistant coating
  • Use on exterior wood surfaces including decks, fences, siding, railings, outdoor furniture and other wood or previously coated wood with a weathered clear sealant or semi-transparent stain
  • Water based stain cleans easily with soap and water, eliminating the need for harsh chemicals

4. Thompson’s WaterSeal Transparent Waterproofing Wood Stain and Sealer, Natural Cedar, 1 Gallon

Thompson’s WaterSeal Transparent Waterproofing Wood Stain and Sealer, Natural Cedar, 1 Gallon
8.7

Thompson's

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  • WATERPROOFING STAIN Bring out the beauty of your outdoor wood with Thompsons WaterSeal Transparent Waterproofing Wood Stain. Along with adding smooth color, its a deck sealer that prevents water damage to help you maintain your outdoor living spaces.
  • TRANSPARENT WOOD STAIN This outdoor wood stain provides a transparent finish. It will hide the wood grain, but still allow the wood texture to show. It provides complete protection while adding boldly tinted color.
  • FADE RESISTANT FINISH The advanced polymers in this outdoor wood and deck stain deliver fade-resistant color so it stays looking great year-round. The coating resists UV damage, so you can apply with confidence.
  • EASY TO USE Whether youre refinishing an existing fence or putting the finishing touches on a new deck, this waterproofing wood stain is easy to apply. It can be applied to damp or dry wood. Clean the surface thoroughly prior to use for best results.
  • EXCEEDS INDUSTRY STANDARDS Thompsons Waterproofing Exterior Wood Stain exceeds Industry Standard ASTM D-4446 for waterproofing wood.

5. Garden Box Sealer 32OZ/946ML, Non-Toxic & Plant-Based Waterproofing Wood Sealer for Raised Garden

Garden Box Sealer 32OZ/946ML, Non-Toxic & Plant-Based Waterproofing Wood Sealer for Raised Garden
8.3

Shabebe

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  • PROFESSIONAL-GRADE PROTECTION FOR ALL WOOD TYPES: Our premium wood sealer penetrates deep into wood surfaces to help protect against the effects of moisture, sun exposure, and outdoor wear. Suitable for cedar, pine, hardwood, bamboo, and pressure-treated wood. A great choice for garden beds, planter boxes, fences, and other outdoor wood structures. Note: Not recommended for laminated or coated wood.
  • PLANT-BASED FORMULA FREE FROM HARSH FUMES: Made with naturally derived ingredients, this formula contains no synthetic solvents, waxes, or strong odors. Designed with your garden and family in mind, its a safe choice for spaces shared with plants and pets.
  • LONG-LASTING PERFORMANCE WITH LESS MAINTENANCE: Unlike surface coatings that wear away quickly, our formula bonds with wood to help extend its appearance and durability over time. Helps minimize the impact of outdoor elements such as water and sun.
  • HOME GARDEN & PET-FRIENDLY USE: Great for DIY garden projects, home planters, and wooden enclosures near pets. Perfect for raised beds, flower boxes, and other non-painted outdoor wooden items.
  • EASY APPLICATION & LASTING RESULTS: Apply using a brush, roller, or sprayerjust two coats on a clean, dry surface are all it takes. Dries in approximately 2 hours between coats. Covers Up To 50200 sq ft depending on the woods porosity. NOTE: Before applying, ensure the wood is clean, dry (moisture content < 15%), smooth, and free from dust, grease, and old coatings.
  • SMART SAVINGS, EXCEPTIONAL VALUE: Experience professional-grade performance for less than your weekly coffee budget, while our product costs about the same as a family pizza night. Many comparable products on the market often exceed $30, yet our offering excels in quality and effectiveness, ensuring you receive the best value for your investment.
  • TRUSTED BRAND, CHOSEN BY THOUSANDS OF FAMILIES: Our product has undergone rigorous testing and has earned the confidence of countless households. With extensive user trials conducted prior to its launch on Amazon, we proudly showcase our commitment to quality. Made with 100% safe ingredients for gardens and pets, our product ensures peace of mind for your family. Boasting exceptional customer satisfaction, it proves its effectiveness and safety in real-world applications.
  • DEVELOPED BY EXPERTS, MEETING YOUR NEEDS: Our product is co-developed by a professional team and industry experts who have a deep understanding of consumer needs. Our dedicated research team continuously tests the product in real-world settings, such as vegetable gardens and flower beds, to ensure its safety and reliability. We have effectively addressed the shortcomings of other brands regarding odor and durability, allowing you to enjoy a pleasant experience while providing up to 10 years of protection.

6. Thompson’s WaterSeal Semi-Transparent Waterproofing Wood Stain and Sealer, Chestnut Brown, 1

Thompson’s WaterSeal Semi-Transparent Waterproofing Wood Stain and Sealer, Chestnut Brown, 1
7.7

Thompson's

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  • WATERPROOFING STAIN Bring out the beauty of your outdoor wood with Thompsons WaterSeal Semi-Transparent Waterproofing Wood Stain. Along with adding lightly tinted color, its a deck sealer that prevents water damage to help you maintain your outdoor living spaces.
  • SEMI-TRANSPARENT WOOD STAIN This outdoor wood stain provides a semi-transparent finish. It will hide the wood grain, but still allow the wood texture to show. It provides complete protection while adding lightly tinted color.
  • FADE RESISTANT FINISH The advanced polymers in this outdoor wood and deck stain deliver fade-resistant color so it stays looking great year-round. The coating resists UV damage, so you can apply with confidence.
  • EASY TO USE Whether youre refinishing an existing fence or putting the finishing touches on a new deck, this waterproofing wood stain is easy to apply. It can be applied to damp or dry wood. Clean the surface thoroughly prior to use for best results.
  • EXCEEDS INDUSTRY STANDARDS Thompsons Waterproofing Exterior Wood Stain exceeds Industry Standard ASTM D-4446 for waterproofing wood.

7. 32oz Garden Box Sealer - Covers 37.5 to 187.5 sq ft., Ideal Garden Bed Sealer - Wood Waterproofing,

32oz Garden Box Sealer - Covers 37.5 to 187.5 sq ft., Ideal Garden Bed Sealer - Wood Waterproofing,
8.3

Not Rocket Sciences

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  • GARDEN SAFE WOOD SEALER: This waterproof wood sealer is 100% non-toxic, plant-based, food safe wood sealer. It has FDA food contact-safe ingredients that are ideal for plants, pets & the environment.
  • EFFECTIVE WOOD SEALANT: Our non toxic wood sealer works great as a wood protector outdoor & water sealer for wood. It shields garden beds against sun, water & weather damages to remain intact for years.
  • MAINTAINS BEAUTIFUL WOOD: This wood sealer for garden beds not only shields the wood from deterioration but also enhances its natural beauty, creating a stunning garden while keeping your plants healthy.
  • VERSATILE GARDEN BED SEALANT: Works well for Cedar garden bed and all wood types like Cypress, Juniper, Redwood, Douglas Fir, Black Locust, Pine, Hardwood, Bamboo, pressure treated, exotics, and more.
  • EASY TO USE: Apply at least 2 flood coats of the waterproof sealant for wood using a sprayer, brush, or roller on a clean, dry surface with sealed gaps. Allow 2 hours of dry time between coats.

8. Thompson’s WaterSeal Solid Color Waterproofing Wood Stain and Sealer, Sedona Red, 1 Gallon

Thompson’s WaterSeal Solid Color Waterproofing Wood Stain and Sealer, Sedona Red, 1 Gallon
8.3

Thompson's

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  • WATERPROOFING STAIN Bring out the beauty of your outdoor wood with Thompsons WaterSeal Solid Color Waterproofing Wood Stain. Along with adding smooth color, its a deck sealer that prevents water damage to help you maintain your outdoor living spaces.
  • COLOR WOOD STAIN This outdoor wood stain provides a solid finish. It will hide the wood grain, but still allow the wood texture to show. It provides complete protection while adding boldly tinted color.
  • FADE RESISTANT FINISH The advanced polymers in this outdoor wood and deck stain deliver fade-resistant color so it stays looking great year-round. The coating resists UV damage, so you can apply with confidence.
  • EASY TO USE Whether youre refinishing an existing fence or putting the finishing touches on a new deck, this waterproofing wood stain is easy to apply. It can be applied to damp or dry wood. Clean the surface thoroughly prior to use for best results.
  • EXCEEDS INDUSTRY STANDARDS Thompsons Waterproofing Exterior Wood Stain exceeds Industry Standard ASTM D-4446 for waterproofing wood.

9. Roxil Wood Waterproofing Cream (1 Quart) 10-Year Outdoor Clear Sealer - Treatment & Sealant for

  • Weatherproofs wood for 10 years - Shower-proof application - Instantly Waterproofs
  • Reduces water uptake for improved resistance to warping and cracking
  • Breathable, Colourless Protection - Creates an invisible waterproof barrier that protects the wood.
  • One coat application by brush or roller, no drip formulation. Effective on softwoods and weathered hardwoods.
  • Roxil Wood Protection Cream will cover approximately 50 to 60 sq. ft. per gallon

10. Olympic WaterGuard 1 gal. Clear Exterior Waterproofing Wood Sealer

Olympic WaterGuard 1 gal. Clear Exterior Waterproofing Wood Sealer
7.7

Olympic

Check Price On Amazon
  • Ready to use clear sealant and waterproofer
  • Perfect for new wood, pressure-treated wood, weathered wood and wood with a weathered clear or semi-transparent stain
  • Durable sealant that provides waterproofing protection; Coverage up to 350 sq. ft. per gallon
  • Repels water
  • Provides SUNBLOCK UV protection

Peter

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