How long does Thompson's water seal last? (2023)

How long does Thompson's water seal last?

Water Seal can only be used on bare and uncoated brick, stone or concrete. How long will Water Seal last? If applied correctly, Water Seal will last up to 4 years. This is dependent on conditions such as orientation of the wall and local climate.

Applying a sealer and/or stain typically is recommended every one to three years, depending on the finishing product, deck use, weather conditions, and sun exposure. All Thompson's WaterSeal products are DIY-friendly, and most need only a single application on a clean, dry deck.

One coat is enough, but if more color is desired, a second coat can be applied within two hours before the first coat has dried. With Thompson's^® WaterSeal^® Waterproofing Stains, you can clean your tools with soap and water. Let the deck dry for at least 24 hours and you're ready to replace the furniture.

Is Thompson's WaterSeal Any Good? Our experience with Thompson's WaterSeal Waterproofer Plus Clear Wood Protector was disappointing overall, and we would not recommend this product. Its inability to prevent UV graying is too harmful to your deck's wood.

Sealing a deck is best for cedar, teak, mahogany, or other quality woods as it enhances the wood grain and natural color. What is this? Staining a deck protects the wood from mold, mildew, moisture, and rot, and UV rays and sun damage.

I don't think it'd be the worst thing in the world if the deck got wet after you coated it with Thompsons. As long as it has a few hours to set up and the rain isn't a complete gullywasher. Just be sure not to put a coat of Thompsons on the wood if the wood is still damp from a previous rain.

The fastest way to apply is with a pump-up sprayer (using a coarse setting), but you can also apply with a brush or a roller. You should apply liberally. In the case of areas with heavy discoloration or dirt, apply a second coat, brush lightly with a broom and hose off.

Some, like Thompson's^® WaterSeal^® Waterproofing Wood Protector, recommend waiting 30 days before application on new pressure treated lumber. Other products, like Thompson's^® WaterSeal^® Waterproofing Stain, can be applied immediately to new pressure treated lumber.

Allow at least 48 hours to dry; however drying time will vary depending on the substrate, temperature, and humidity. Allow minimum of 30 days drying time before applying oil based paint over Thompson's® WaterSeal® Waterproofing Wood Sealer – Clear.

What is the longest lasting deck sealer?

Q. What is the longest-lasting deck sealer? An oil-based deck sealer, such as Varathane Ultimate Spar Urethane Oil Based, will protect a deck for up to 5 years.

Varnish, a combination of resin, solvent, and drying oil, gives a hard-shell finish that resists scratches without yellowing. To waterproof wood that will be placed outdoors, choose marine varnish, which contains UV absorbers to resist sun damage.

The Thompson's Waterseal resists mildew, algae, and mold for a few years, after which you will need to reapply it.

Thompson's^® WaterSeal^® Penetrating Timber Oil is an oil-based product that provides protection by penetrating into wood pores and sealing out water infiltration.

In general, an oil-based deck stain will last the longest, but it also depends on the type of wood, the weather conditions, and how long the deck has gone unprotected before staining.

Yes, you can put Thompson water sealer over stained wood whether the stain is water or oil-based. But surface preparation is key. If the stain has completely dried and cured it's fine to apply sealer, but if there is still some moisture, applying the water seal over the stain might cause problems.

DO repair, wash, and sand your deck before sealing it. Proper prep is key to a successful deck sealing. Begin by repairing or replacing any loose or broken boards. Then, use a power washer to scrub the surface clean.

Which material lasts longer? A deck made of untreated wood can last anywhere from 10 to 30 years. Decks made of treated wood and composite materials can last as long as 50 years.

Be sure that both surface and air temperatures are above 50°F during application and remain above 40°F for 48 hours after application. Do not apply product if rain is forecasted within 24 hours of application.

Allow at least 24 hours to dry; however drying time will vary depending on the substrate, temperature and humidity. When completely dry, perform the splash test to determine if second coat is necessary.

How long does ready seal last on a deck?

To properly maintain wood, a light cleaning and recoat are recommended every 2 years on horizontal surfaces and every 3 to 4 years on vertical surfaces. Some hardwoods, such as Ipe, Garapa or Tiger Wood may need reapplication yearly. These extremely dense hardwoods do not readily soak up sufficient amounts of stain.

When Should I Reseal My Deck? You should reapply wood sealer at least every three years. In many cases, you need to seal a wood deck once a year. The more foot traffic and sun exposure your deck gets, the more often you need to apply deck sealant.

Can you spray thompson's water seal? Yes, you can apply your Thompson's water seal using a standard pump garden sprayer and achieve the desired results. This sprayer is best to use when applying sealers.

And how can you apply it without having to watch your hard work come undone in short order? Experts recommended that you stain pressure treated wood rather than paint it. The primary reason for this is that paint rarely adheres to pressure-treated wood very well because of the process used for the pressure treatment.

How Long Does Pressure-Treated Wood Last? It depends on the climate, the type of wood, its uses, and how well it's maintained. While pressure treated poles can stay up to 40 years without any signs of rot or decay, decks and flooring might only last around 10 years.