10 Best Decking Treatments 2025 in the United States

The Ready Seal 512 Natural Cedar Exterior Stain and Sealer is an oil-based treatment specifically designed for wood surfaces. It's a versatile product that doesn't require a primer and can be applied using a sprayer, roller, or brush. A standout feature is its 'Goof Proof' application, which reduces the risk of laps, runs, or streaks, making it easier for users to achieve a uniform finish.

The product is also designed to be applied in any temperature, adding to its convenience. Additionally, it requires no diluting or thinning, streamlining the application process further. The stain and sealer offer UV resistance, contributing to the long-term protection of the wood against sun damage. The finish is flat, which may or may not be to everyone's taste, depending on their preference for sheen.

It's also important to note that the product should not be applied over painted or newly stained surfaces as this can inhibit penetration and effectiveness. The Ready Seal 512 is a solid choice for those seeking an easy-to-apply, UV-resistant wood treatment, but users should be mindful of its limitations regarding surface compatibility.

Thompson’s WaterSeal Multi-Surface Waterproofer Stain, Clear, 1 Quart is a versatile product designed for various outdoor surfaces, including wood, concrete, and brick. It provides a clear finish that enhances the natural color while allowing the texture to show. This makes it suitable if you prefer a natural look for your deck or exterior wood surfaces. The product is highly water-resistant, effectively sealing out moisture to protect your surfaces from water damage.

Additionally, it offers UV protection, which helps in preventing the color from fading over time, ensuring a longer-lasting appearance. This fade-resistant quality is bolstered by advanced polymers that maintain the stain's color despite prolonged sun exposure. The application is straightforward, making it user-friendly even for those who may not be experienced with deck treatments. Simply ensure the surface is clean before applying.

It is essential to note that while the stain is clear, it will hide the wood grain, which might not be preferable for those who want to maintain the natural wood grain visibility. Some users may also find that the coverage area (100-125 square feet per quart) may require multiple purchases for larger projects. This product is best suited for those seeking an easy-to-apply, clear, and durable waterproofing solution for their outdoor surfaces, balancing effective protection with an enhanced natural look.

Ready Seal 125 in Dark Walnut is an oil-based wood stain and sealer designed for outdoor use, especially on decking. One of its main benefits is the easy, "goof proof" application—no need for a primer, wet-line application, back brushing, or thinning. You can apply it with a sprayer, roller, or brush, and it works well in any temperature, which makes the process more flexible. It covers about 125 square feet per gallon and dries to a matte finish. The color appears darkest right after application but settles into its true shade over about two weeks.

In terms of protection, it offers good water resistance and durability by sealing the wood, which helps prevent moisture damage. However, since it creates a sealed surface, reapplying over painted or newly stained wood isn’t recommended because it blocks penetration. The matte finish provides a natural look rather than a shiny one, which is great if you prefer a subtle appearance.

Ready Seal 125 is a solid choice for homeowners looking for an easy-to-use, durable stain and sealer combo with decent water resistance, especially if you want a straightforward application without fuss. Just keep in mind it’s not for use over existing painted surfaces and that its UV protection might be moderate.