Building a deck is a big investment, and you want it to last. Pressure-treated lumber is a great start, but it still needs protection from the elements. That’s where deck stain comes in. Choosing the right stain can be tricky, though, because not all stains work well with pressure-treated wood. I learned this the hard way after a weekend project resulted in a peeling mess, so I’m here to help you avoid that mistake.
In this article, I’ll share my top picks for the best deck stains for pressure-treated lumber. I’ve considered factors like durability, ease of application, and overall finish to help you find the perfect stain for your deck.
Product Overview / Quick Summary
- Ready Seal Exterior Stain and Sealer: Excellent penetration, easy to apply, and no back brushing needed.
- Thompsons WaterSeal TH.041851-16 Waterproofing Stain: Solid color stain, great for waterproofing and hiding imperfections.
- Olympic Stain Maximum Exterior Stain and Sealant in One: Provides a durable, mildew-resistant finish with excellent UV protection.
- DEFY Extreme Wood Stain: Water-based formula that’s environmentally friendly and provides exceptional UV protection.
- Rust-Oleum RockSolid Deck Resurfacer: Ideal for older decks, provides a thick, slip-resistant coating to restore and protect.
Top 5 Best Deck Stain For Pressure Treated Lumber
1. Ready Seal Exterior Stain and Sealer
Ready Seal is a popular choice among professionals and DIYers. It’s an oil-based stain and sealer that penetrates deeply into the wood, providing excellent protection against the elements. What’s great about this product is you don’t have to back brush.
Pros:
- ✅ Easy to apply – no priming needed
- ✅ Self-leveling formula eliminates streaks and lap marks
- ✅ Can be applied in any temperature
Cons:
- ❌ Oil-based, so it can take longer to dry
- ❌ Limited color options compared to other brands
- ❌ Some users report a strong odor during application
Verdict: If you’re looking for a hassle-free application and a natural-looking finish, Ready Seal is a great option. It’s especially good for larger decks where ease of application is a priority.
2. Thompsons WaterSeal TH.041851-16 Waterproofing Stain
Thompson’s WaterSeal Waterproofing Stain is designed to provide both color and protection to your deck. This is a solid color stain, which means it will completely cover the wood grain and create a uniform look. This can be helpful if you have an older deck with some imperfections you want to hide.
Pros:
- ✅ Provides excellent waterproofing
- ✅ Hides imperfections in the wood
- ✅ Available in a wide range of colors
Cons:
- ❌ Solid color finish may not appeal to everyone
- ❌ Can be difficult to apply evenly
- ❌ May require multiple coats for full coverage
Verdict: If waterproofing is your top priority and you prefer a solid color finish, Thompson’s WaterSeal Waterproofing Stain is a solid choice. It’s particularly useful for decks that are exposed to a lot of moisture.
3. Olympic Stain Maximum Exterior Stain and Sealant in One
Olympic Maximum is a stain and sealant in one, offering both color and protection in a single coat. It provides a durable finish that resists mildew and UV damage. I used this on my fence a couple of years ago, and it’s still holding up great.
Pros:
- ✅ Stain and sealant in one
- ✅ Resists mildew and UV damage
- ✅ Provides a durable, long-lasting finish
Cons:
- ❌ Can be more expensive than other options
- ❌ Some users report issues with color consistency
- ❌ May require more prep work than other stains
Verdict: For a durable, all-in-one solution that protects against mildew and UV damage, Olympic Maximum is a great choice. It’s best for decks that need long-lasting protection and a rich, vibrant color.
4. DEFY Extreme Wood Stain
DEFY Extreme Wood Stain is a water-based stain specifically formulated to provide exceptional UV protection. Water-based stains are known for being more environmentally friendly and easier to clean up than oil-based stains. If you are looking for a more eco-friendly solution, this might be your pick.
Pros:
- ✅ Excellent UV protection
- ✅ Water-based formula is environmentally friendly
- ✅ Easy to clean up with soap and water
Cons:
- ❌ May require more frequent reapplication than oil-based stains
- ❌ Limited color options
- ❌ Can be more expensive than other water-based stains
Verdict: If you’re concerned about UV damage and want an environmentally friendly option, DEFY Extreme Wood Stain is a great choice. It’s best for decks that are exposed to a lot of sunlight.
5. Rust-Oleum RockSolid Deck Resurfacer
Rust-Oleum RockSolid Deck Resurfacer is designed to restore and protect older, weathered decks. It’s a thick coating that fills in cracks and provides a slip-resistant finish. If your deck is looking a little rough around the edges, this could be a good solution.
Pros:
- ✅ Restores and protects older decks
- ✅ Fills in cracks and imperfections
- ✅ Provides a slip-resistant finish
Cons:
- ❌ Can be difficult to apply
- ❌ Limited color options
- ❌ Not suitable for decks with severe structural damage
Verdict: If you have an older deck that needs a serious makeover, Rust-Oleum RockSolid Deck Resurfacer is a good option. It’s best for decks that are structurally sound but need a new surface.
Buying Guide
Choosing the right deck stain involves more than just picking a color. Here are some factors to consider:
- Type of Stain: Oil-based stains penetrate deeper and provide better protection, while water-based stains are more environmentally friendly and easier to clean.
- Opacity: Clear sealers offer minimal protection and let the wood’s natural beauty shine through. Semi-transparent stains enhance the wood grain while adding color. Solid stains completely cover the wood grain and provide the most protection.
- Climate: Consider your local climate. If you live in a wet climate, choose a stain with excellent waterproofing properties. If you live in a sunny climate, choose a stain with UV protection.
- Deck Condition: If your deck is old and weathered, you may want to consider a deck resurfacer instead of a stain.
- Application: Some stains are easier to apply than others. Consider your experience level and choose a stain that you feel comfortable working with.
- Color: Select a color that complements your home and landscaping. Test the stain on a small, inconspicuous area of your deck before applying it to the entire surface.
FAQs
Q: How long should I wait to stain pressure-treated lumber?
A: It’s best to wait several weeks or even months for the pressure-treated lumber to dry out before staining. Check the manufacturer’s recommendations for the specific type of lumber you’re using.
Q: Do I need to prime pressure-treated lumber before staining?
A: In most cases, priming isn’t necessary. However, if you’re using a solid color stain or if the lumber has been exposed to the elements for a long time, priming can help improve adhesion and coverage.
Q: How often should I re-stain my deck?
A: The frequency of re-staining depends on the type of stain you use, the climate, and the amount of traffic the deck receives. Generally, you should re-stain every 2-3 years for semi-transparent stains and every 3-5 years for solid stains.
Q: Can I stain my deck in direct sunlight?
A: It’s best to avoid staining your deck in direct sunlight, as this can cause the stain to dry too quickly and lead to uneven coverage. Choose a cloudy day or stain in the morning or evening when the sun isn’t as intense.
Conclusion
Choosing the best deck stain for pressure-treated lumber depends on your specific needs and preferences. Whether you prioritize ease of application, waterproofing, UV protection, or restoration, there’s a stain out there that’s perfect for your deck. Remember to consider the factors outlined in the buying guide and choose a stain that will provide long-lasting protection and enhance the beauty of your outdoor space. Good luck with your project!
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