Verify that the sealer has a few key properties: 1) waterproofs, 2) stops the growth of mold, mildew and fungi, 3) protects the wood from wood-destroying insects. If its pressure treated wood, you need to wait a while, like a couple months at least. Most of the wood we used to replace cracked and warped wood was the brand Yellawood, I went to their site and they have written and video instructions regarding painting, staining, sealing your deck. New pressure treated lumber should be allowed to weather for 30 days before being treated. Keep in mind there are a number of factors that can affect how quickly your pressure-treated wood dries, including the weather, the environment, how long the wood sat in the lumberyard, and the time of year in which your project was built. If you treated it in the fall, wait until spring. Any other wood species and you would need to stain it. These pressure treated timbers last a VERY long time. Check the wood for mildew before you seal it. The Need to Treat Wood Wood, even if it has been pressure-treated, must still be cleaned and sealed to prolong its life. We use cookies to make wikiHow great. A cedar or redwood deck would also not need to be stained. Chances are you used pressure treated wood (PTW), the most common and inexpensive choice for decking. Apply a deck stain that is "thin" in viscosity. It is important to wait for the wood to dry before sealing a new deck, but at the same time, you don’t want to wait too long. On shingles such stain lasts indefinitely. This allows the wood to dry so the stain is absorbed. Thanks to all authors for creating a page that has been read 751,442 times. Also, if you have a brand new deck made with treated wood, it’s best to hold off a few weeks to allow the wood to completely dry so the stain is more fully absorbed. Allow the wet cleaner to soak into the wood for about 10 minutes or to manufacturer’s directions. If so, you should hold off picking up a brush. However, in some cases, they start to look old and you will want to seal them. It’s important to finish typical pressure-treated wood as soon as possible after completion of a deck in order to protect it. Rinse the … You can do this by applying oil then using a sanding block to run over the area with fine grade sanding paper. Restore-A-Deck Solid Color Stain for Decks & Exterior Wood; Best Deck Stain For Pressure Treated Wood Buyer’s Guide. For example, read our story Archadeck of Raleigh, Durham & The Greater Triangle Answers the 10 Top Questions About Sealing and Staining Pressure Treated Wood Decks. Seal the open end grains of the wood well. New lumber that is pressure treated can weather for approximately 30 days prior to sealing it. If the wood came still wet with preservative, allow it to dry about 30 days before applying stain or sealer. Pressure-treated wood has been through a process that applies preservatives into the wood, making the wood wet. There are many tips and tricks for how to complete the process available online. But without care, the wood can age, crack, and dry out, leading to an unappealing gray color and splintered surface. Stain is the best choice when you want the beauty of a natural wood color on a deck made with less attractive wood, such as pressure-treated ... something new. Don't try building the material up too much at once. This sealer will help control surface checking (splitting or cracking) and provide an attractive appearance. Do not over apply a wood deck stain/sealer to a new deck. Cleaning and sealing treated lumber must be done on a periodic basis. You can damage the wood if it's turned up too high. Use a pressure washer to remove the paint. Using pressure-treated wood for your deck next project means that it will be protected from common problems like insects and rot. wikiHow is where trusted research and expert knowledge come together. In this case, 90% of readers who voted found the article helpful, earning it our reader-approved status. They are ideal for accentuating the beauty of the natural grain wood. Chances are you used pressure treated wood (PTW), the most common and inexpensive choice for decking. wikiHow marks an article as reader-approved once it receives enough positive feedback. If you treated it during the summer, wait two to three months. [Pressure-treated] wood would not need to be stained for a few years. A simple water test will tell you if your new deck is dry and ready to be treated. I don't know if it's been waterproofed but I think it's the cheap pressure treated wood. The wood is wet with pressure treatment, its not going to take a topcoat until its dry. New pressure treated lumber should be allowed to weather for 30 days before being treated. As far as sanding, I would only sand it if it is extremely rough. Application of a sealer or semitransparent stain made for pressure-treated wood is key to reducing this water movement. Sealing, Painting and Staining Pressure Treated Wood A project's not really done until it's finished. As soon as you expose most treated lumber to the sun and wind by nailing it to deck joists, the liquid in the wood begins to exit to the air. For generations farmers used linseed oil to protect wood and metal. Do a water test to see if wood will accept a stain. If you are looking to preserve the beautiful rich grain of, say, a mahogany or cedar decking, we recommend sealing the deck with a translucent penetrating stain within 1-2 weeks of construction. How do I handle a peeling, painted deck that has treated lumber? Although weathered wood looks good, you should not allow treated lumber to weather because it will be left vulnerable. The sealer needs time to adequately absorb into the wood. You probably know that wood swells when it gets wet and shrinks when it dries. If you are looking to preserve the beautiful rich grain of, say, a mahogany or cedar decking, we recommend sealing the deck with a translucent penetrating stain within 1-2 weeks of construction. Heat generated from evaporating finish on a pile of rags can start a flash fire. A pressure treated wood deck can withstand a lot of wear and tear and will look good for many years. Although treated wood is protected against decay and termite attack, the application of a water-repellent sealer to all exposed wood surfaces is recommended upon completion of construction. Finishing your deck starts with choosing a sealer or stain/sealer. By Matt Weber. If the water beads up, you’ll need to wait a few days and check it again. We recommend beginning to test the wood around 90 days after your project is completed, but this is just a general suggestion. When to Seal or Stain Pressure-Treated Wood. New lumber that is pressure treated can weather for approximately 30 days prior to sealing it. "I was trying to find out how long the boards needed to dry before painting them. Stay between 1200-1500 PSI for cedar and redwood. Last Updated: June 15, 2020 Continuous water absorption and water loss in your pressure-treated wood can cause natural defects like twisting, cupping, warping, checking and/or splitting to occur. Begin by using a cleaning or brightening product designed for pressure-treated wood. [Pressure-treated] wood would not need to be stained for a few years. Your deck needs protection and that means washing and sealing on a regular basis. Now, you’re ready to begin! The over spray may kill nearby grass and shrubs. Deck Maintenance. That is why DeckMaster has developed the PressureLess™ Cleaning System & Preservation System. This lumber can be stained as soon as the deck is built. Some products can be applied immediately to new pressure treated lumber -- check the label. The natural beauty, durability and affordability of wood are what keep pressure-treated lumber at the top of the list of materials for decking and outdoor projects. When water soaks into the wood instead of beading up, it’s time to seal or stain it. Seal the Whole Thing. Archadeck of Raleigh, Durham & The Greater Triangle Answers the 10 Top Questions About Sealing and Staining Pressure Treated Wood Decks. So, here’s an answer for you: How long you should wait before sealing your brand new deck all depends on the product you are planning to use. Keep in mind you will have set up an ongoing maintenance project, because solid color stain is basically just thin paint. We are always available to answer your questions, and look forward to working with you! To create this article, 24 people, some anonymous, worked to edit and improve it over time. And an outdoor project's not finished until it's been stained, sealed or painted. Choosing a Sealer . wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. As the wood dries the fibers will begin to show and the grain will present. Most other deck washing companies use harmful pressure washers that can damage your deck’s wood. Solid color stain will help extend the life of an older deck that is starting to crack and check. A clear finish usually needs to be treated more often. My husband built a swing out of, "I received a prompt answer re: treating new lumber. 3. Defy Wood Cleaning Solution is a biodegradable concentrated powder formula that mixes with water to safely prep new wood prior to stain application. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Protection from UV rays is also necessary for insurance against fading, discoloration, and warping. If you do it it anyway, thin it a little and brush it in well, after the wood is well weathered. Use a pressure washer if the wood has tough stains. If your deck is getting some mildew or green moss, try a small spot to check for color changes. My question was answered. Read the Thompson's MSDS, it is boiled linseed oil and some solvents. Quality products are available which can be applied directly to your new treated … While decks and fences made of Here is how to keep your deck looking great and protected. The Flood CWF-UV Wood Finish is the ideal choice for any individual who does not want to worry about sealing their deck every year. If you have more questions or concerns about staining or sealing your Raleigh, Durham, or Chapel Hill deck, please give us a call. Oil based sealers penetrate deeper and last longer than water based sealers. Pressure-treated wood has been through a process that applies preservatives into the wood, making the wood wet. Pressure-treated wood is a porous material. The operative chemical in Thompson's is linseed oil. Try to avoid oil-based products if the deck doesn't get a good amount of sunlight. If the deck is near a chlorinated swimming pool, check your selection of stains and oils because the chlorine vapors can cause some oils to become opaque. If so, you should hold off picking up a brush. Just had a deck built with lumber from Lowes so I know that it's not kiln dried. A dark stain will make the wood get hotter. Without stain, any type of paint or sealant, rainwater, dew or snow can easily penetrate the decking. But without care, the wood can age, crack, and dry out, leading to an unappealing gray color and splintered surface. It is important to wait for the wood to dry before sealing a new deck, but at the same time, you don’t want to wait too long. To test the wood to see if it’s dry enough to stain or seal: Pour a little water on the wood. Some products can be applied immediately to new pressure treated lumber -- check the label. Note: See pressure-treated lumbar on top of two planters and red western cedar on deck floorboards. Now that they've had time to dry out, I'm about to stain the deck but I've discovered that a handful of boards are already splintering and cracking. It’s still wet when it’s sold at the lumber stores. The warm weather is finally here and if you've just finished installing a brand new deck, it'll need some kind of protection before you can invite friends and family over to enjoy it. If the water beads up on the surface of your deck, you don't need to seal. Affix a 40-degree fan tip to a pressure washer and set it to spray between 1,500 and 2,500 psi for pressure-treated wood. To create this article, 24 people, some anonymous, worked to edit and improve it over time. The wood will then swell until it dries when it will shrink again. If you are using oil-based sealers, clean with paint thinner or mineral spirits.. Splash some water on the deck boards. If you’re worried about gouging the wood from the power sprayer, use a scrub brush and gentle cleaning solution instead. A deck… Every article says something different. If it absorbs into the wood quickly, your deck is dry and ready to be sealed or stained. It’s one of the best deck sealers for pressure treated wood, this one, in particular, is light oak; however, there are many other colors that you can choose. I'm going to use a solid stain on my new deck that is made of pressure treated wood. Wait 4 days, wait 4 weeks, wait 4 months! Finishing your deck starts with choosing a sealer or stain/sealer. Should I use a primer coat first? The Ready Seal 505 formula is one of the variants of the 515 stains and sealant in one. That means you will have more steps in prepping the deck for staining. There's a myth that wood should "weather" untreated for several months before being treated. Include your email address to get a message when this question is answered. Materials and tools used on Day 2 include : orbital sander, sanding discs, deck screws, leaf blower, impact drill and screwdriver, hammer, and painter’s tape … Pressure treated lumber can be great for decks: it's resistant to insects and fungus, but it is vulnerable to water damage. And an outdoor project's not finished until it's been stained, sealed or painted. Defy Wood Cleaner is an oxygen bleach wood deck cleaning solution that is extremely effective at removing dirt, grime, mold, mildew, graying, and mill glaze found on new wood. Wash the pressure-treated wood with a deck cleaner, scrubbing the wood surface with a brush while wet. The wood needs to release unstable sap, sugars and other residues that take up space in the grain that the coating would otherwise occupy. If water gets on the freshly stained pressure treated wood deck, the water will actually seep into the wood, like how the stain did. For starters, don’t apply deck sealer in direct sunlight as the finish will dry too quickly. When the sun extracts this moisture out of the lumber, it creates significant tension stress within the wood fibers. It is important to protect your investment with proper care and the first step in keeping your deck structurally sound and great looking is proper staining or sealing. These pressure treated timbers last a VERY long time. During the hot days of summer, if a deck has plenty of sun exposure, it may only take new wood 3 months or so to dry enough for sealing. Cedar and redwood can be treated immediately. Generally speaking, a sealer does not color the wood and is designed primarily for protection against moisture, while a stain/sealer includes pigment that helps protect against the damaging effects of sunlight (UV degradation) in addition to sealing out moisture. A little household bleach mixed 50-50 with water is great for killing mildew that may grow on the deck after you refinish. A new pressure treated wood is on the market now that has a brown colour. 2.1 Seal Once the Marine Premium Wood Sealer; 2.2 Semco Teak Sealer- Waterproofing Wood Sealant Protector; 2.3 Lastiseal Concrete Stain & Sealer References At the same time, you need to remember that you are picking a sealant for pressure treated boards. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Additionally, a sealer can provide UV protection to slow the rate at which your deck’s color fades. Wet Pressure Treated wood. After a 30-day period, pour some water on your deck. How to Prep New Pressure Treated Wood for Staining. Therefore, pressure treated lumber, after its release, is very wet. In fact, the treatment given to about 80% of the pressure treated wood used to build decks, is to help prevent against rot and termites. You probably know that wood swells when it gets wet and shrinks when it dries. Wolmanized lumber is already treated with a deep penetrating water seal and should never require additional sealer. It is important to wait for the wood to dry before sealing a new deck, but at the same time, you don’t want to wait too long. Pressure Treated Wood Decking . 9. Oily, waxy and pressure treated wood can be difficult to caulk because of adhesion issues. ... New wood needs time to dry. So while the pressure treatment process does provide a certain degree of protection, sealing your pressure-treated wood will help it to look better and last longer. Note: The presence of water in your wood does not allow the stains to penetrate the wood when your stain does not penetrate deep into the wood; it means that the coating will not last as long as it should. 919-973-1523. Follow with an opaque penetrating deck sealer to hide any remaining color you might have. Ordinary pressure-treated lumber from a home ... How To Get Leaf Stains Off Your Wood Deck. You might not want a totally smooth surface, once stained it could make it awful slippery when wet. Most decks made with normal wood only last 10 years, while a pressure-treated deck can last up to 40 years! Notably, trouble begins the day you finish building a deck. 1 Here Are Some Tips for an Effective Waterproofing or Sealing off of Pressure-treated Woods. Thin linseed oil with paint thinner and apply it like Thompson's. With wet pressure treated wood, preservatives are impregnated into the lumber via high pressure to protect deep inside the piece of lumber. 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Accept a stain used pressure treated can weather for approximately 30 days prior to sealing it stain/sealer to more! Rays is also necessary for insurance against fading, discoloration, and dry out, leading to an gray... Based sealers come together means that it will help control surface checking ( splitting or cracking ) and an! % of readers who voted found the article helpful, earning it our reader-approved.! Leaves the deck it is not recommended to use too much pressure the decking out, leading an.