10 Best thompson deck sealers 2026 in the United States

Thompson’s WaterSeal Multi-Surface Waterproofer Stain, Clear, is a versatile option for protecting various exterior surfaces, including wood, concrete, and brick. As a clear stain, it maintains the natural texture of the wood while providing a protective layer, which is ideal for those looking to enhance their outdoor spaces without altering the appearance significantly. One notable strength is its robust water resistance, which can safeguard surfaces from water damage effectively. Additionally, it offers UV protection, helping to prevent fading and maintaining the appearance over time.

The product is easy to apply, making it a convenient choice whether you’re working on a fence, deck, or patio. However, it is important to note that while the clear finish preserves the texture, it might not be suitable for users seeking a more opaque or colored finish to hide imperfections. The durability is commendable, although regular maintenance might be necessary to keep up its effectiveness over long periods, especially under harsh weather conditions.

Thompson’s WaterSeal Clear Multi-Surface Waterproofer Stain is a strong candidate for those looking for a versatile, easy-to-use sealer that provides good water and UV protection while maintaining the natural look of their exterior surfaces.

Thompson's Waterseal Wood Protector 6 Gl Low Voc is an oil-based wood sealer from the reliable Thompson's Water Seal brand. It features a clear finish, making it suitable for preserving the natural look of wood surfaces. This product is designed to protect wood both indoors and outdoors, which is ideal for decks, fences, and other wooden structures. The key strength of this sealer is its robust water resistance, effectively preventing water damage and extending the lifespan of wood surfaces.

Additionally, its low VOC (volatile organic compounds) formula is environmentally friendly compared to other oil-based options, making it a safer choice for both the user and the environment. The oil-based formula also ensures deep penetration into the wood, providing strong protection from within. However, it's worth noting that this sealer doesn't explicitly mention UV protection, which means it may not prevent the wood from graying or fading over time due to sun exposure. The ease of application is another positive aspect, although at a substantial weight of 51.5 pounds, handling the container might be cumbersome.

The clear finish is appealing for those who prefer a natural wood look, though some users might prefer tinted options for added color enhancement. In conclusion, this product is a solid choice for anyone looking to protect their wood surfaces from water damage with a clear, natural finish, but those needing UV protection might want to consider additional products.

Thompson’s WaterSeal Semi-Transparent Waterproofing Wood Stain and Sealer in Chestnut Brown is designed to enhance and protect outdoor wood surfaces. One of its main strengths is its ability to provide a semi-transparent finish that allows the wood texture to show through while adding a touch of color. This product is excellent for waterproofing, preventing water damage, and maintaining the beauty of decks, fences, and other exterior wood structures.

It also features advanced polymers that deliver fade-resistant color and UV protection, ensuring the wood stays looking great over time. Users will find this sealer easy to apply, even on damp wood, which makes it convenient for various projects without extensive preparation. It meets and exceeds industry standards for waterproofing, offering reliable performance.

The coverage can vary depending on the wood’s condition and porosity, which might require more product for larger areas. Also, the semi-transparent nature might not completely hide imperfections in the wood. The 1-gallon can covers between 150 to 400 square feet, so plan accordingly for your project size.