We Use CookiesWe use cookies to enhance the security, performance,
functionality and for analytical and promotional activities. By continuing to browse this site you
are agreeing to our privacy policy
10 Best Deck Sealers
From leading brands and best sellers available on the web.
Related Products
Recommended lists
Buying Guide for the Best Deck Sealers
Choosing the best deck sealer is all about protecting your outdoor wood surfaces while keeping them looking great. A good deck sealer prevents water damage, resists mold and mildew, and can enhance the color or natural grain of your wood. The key is to understand what you need your deck sealer to do—how much rain or sun your deck gets, how much you care about looks versus pure protection, and how much maintenance you're willing to do. By focusing on the most important features, you can pick a sealer that fits your needs and keeps your deck in top shape.Type of SealerDeck sealers generally come in three main types: clear sealers, semi-transparent stains, and solid stains. Clear sealers focus mainly on protection, allowing the wood’s natural appearance to show through, but offer less UV protection. Semi-transparent stains add a hint of color and more UV protection while still letting you see some wood grain. Solid stains cover most of the wood’s appearance, offering the best protection from UV and weather but hiding natural grain. Choose based on how much you want to enhance or preserve the wood’s appearance and the level of protection needed for your climate.
Water ResistanceWater resistance refers to how well a sealer prevents water from soaking into your deck. Water-resistant sealers form a barrier that helps prevent swelling, splitting, and warping. The level of resistance varies: some are designed for periodic rainfall while others can withstand heavy, consistent moisture. If you live in a wet or humid area, focus on products known for strong water repellency, while drier regions may allow for a more basic level of protection.
UV ProtectionUV protection is about blocking ultraviolet rays from the sun, which can fade and damage wood over time. Sealers offer different levels of UV protection depending on their pigment—clear sealers offer minimal defense, while solid stains have the most. Think about how much direct sunlight your deck gets; for heavily sun-exposed spots, stronger UV protection will help maintain your deck’s color and integrity longer.
Durability and LongevityDurability refers to how long the sealer will last before needing reapplication. Some products last only a year or so, while others can protect for several years between treatments. If you prefer less frequent maintenance, prioritize longer-lasting formulas, but be aware that more durable products may take longer to apply or be tougher to remove if you change your mind about color.
Drying and Curing TimeDrying and curing time is how long it takes for a sealer to be safe for foot traffic and fully set for the best protection. Some sealers dry quickly in a few hours, while others may take a day or more to cure completely. If you need to use your deck soon after sealing, look for fast-drying options, but always allow for full curing when maximum weather resistance is needed.
Application MethodSealers can often be applied with a brush, roller, or sprayer, and some formulas are easier to apply than others. If you’re doing it yourself, consider whether you want a product that cleans up easily with water or needs harsh solvents, and how comfortable you are with each application method. Simpler, user-friendly products are great for occasional DIY use, while more involved methods might suit experienced hands.
Finish AppearanceThe finish appearance can range from completely natural (no visible sheen) to glossy or richly colored, depending on the formula. Clear and semi-transparent sealers usually give a more natural, subtle look, while solid stains create a vivid, colored finish. Decide if your main goal is to preserve the wood’s natural beauty, add a bit of color, or cover imperfections with a solid color.