how to treat wood for ground contact

Plus: Check out our pro guide to buying lumber here. wikiHow's. Of course, some pieces needed replacing over time, but that’s because the pool chemicals damaging the wood. By most accounts, Ground Contact is winning. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Wash the wood with soap and water and allow it to dry completely. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. I made an outdoor sofa using untreated wood and I used this product to protect it. Cedar is much more durable when compared to pressure-treated pine. Honestly, when looking at prices treated wood does costs more money. Many people use this product on some larger projects, which makes it quite reliable on smaller ones no doubt. If you’re planning a DIY project, make sure to tell your lumber dealer the end use, so you’ll get the right grade. Teak wood is durable and will last outdoors for many years. You can purchase gravel at a local hardware store or landscaping-supply business. Why is My Grass Different Shades of Green? The wood also comes in different types. If you are searching for a long term project you might want to stick with treated wood or make sure you treat it yourself. This type of treatment is essential to protect most types of wood in direct contact with soil. Water will collect here and contribute greatly to wood rot. People often cite the desire for hyper-local fresh food as a main reason for wanting to install a home vegetable garden. Perry’s supplier, Madison Wood, is also completely switching to ground contact treating only. Linseed oil is a popular way to treat cedar for outdoor use, however, an easy option is to find a water sealer designed for cedarwood. However, when looking to treat pine yourself for outdoor use you have plenty of options. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. When treating birch with the bark on, Pentacryl can be applied directly to the wood itself. Get the good top pressure treated stuff made for continuous ground contact, not the cheap stuff sold off the shelf of the box store - ask for the pressure rating & get the good stuff. They’re typically treated only by professionals, since treating them requires additional steps that can’t be performed at home. Severe Weather above ground is used for any exposed area at least six inches off the ground and is ideal for decking, fencing, arbors and trellises. Hand-sand corners, edges and other areas difficult to reach with the sander. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Thompson’s Waterseal is a great choice for large areas like wooden decks and spar urethane is perfect for outdoor furniture. My dad, brother, and I would apply Thompson Water seal on the deck surface and the entire surrounding wooden fence after each winter. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. The best way to treat Douglas fir for outdoor use is by either painting it or applying a water sealer. CopperCoat Green Below Ground Wood Preservative (Case of 6) is used on below-ground, ground contact or water contact wood installations (especially non-pressure-treated lumber) to protect the structural integrity. While other popular ways to treat pine are using clear coats, such as spar urethanes or lacquer. And the price difference is small: On T.W. Wood can be left untreated outside, however, there are a number of factors that make it last. If you need to cut one or more of these treated pieces of lumber to the size you’d like for your posts, make sure to re-treat the cut portion with a copper-naphthenate preservative. An epoxy project is very time-consuming when compared to other options on our list of ways how to treat untreated wood for outdoor use. Because cedar is high in demand, it’s also more expensive than, say, yellow pine. All tip submissions are carefully reviewed before being published, This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. If you have a friend or family member nearby, ask them to help you with this step. Wood intended for ground contact should be rated .40 pcf, or pounds of chemical per cubic foot of wood. Wood treatment chemicals delay deterioration caused by fungi (rot) and make wood less appealing to potentially destructive insects. Laboratory and field studies have verified the effectiveness of the MCA treatment in above ground and ground-contact applications. I highly recommend checking it out. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. A metal post is worth considering if you don’t feel comfortable pouring cement or can’t find a sturdy hard wood post. Untreated wood can last anywhere from a couple of months to over two years. Thousands of High-Quality Landscaping Designs and Instructions. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. This has the best rating for ground contact and has the longest life expectancy. Paint is always the forgotten way how to treat untreated wood for outdoor use. One common misconception is that treated wood is more resistant to water, but that’s not true. Make sure to use a sturdy hardwood for your post, and treat the wood if it hasn’t already been treated. To keep PT wood affordable, manufacturers are lowering the amount of preservative for boards used in less demanding applications. According to their latest recommendations, Ground Contact should be used when: Wood will come in contact with soil, vegetation, leaf litter, and debris that can hold moisture for extended periods of time. Furthermore, when placing wood underground the best thing to do is surround it with concrete or gravel, but that’s a whole other topic we aren’t getting into here. Perry’s website, a ground contact 2x10-12 costs 52 cents more than one rated for above-ground use. Wood is a very versatile material for vegetable gardens. But now retention levels vary depending on the preservative used. Thanks to all authors for creating a page that has been read 239,016 times. It provides strong weather resistance with the best natural look.eval(ez_write_tag([[336,280],'thebackyardpros_com-banner-1','ezslot_6',117,'0','0'])); A common use for oils like teak oil is on boat decks. Wood treated to (UC4A) ground contact standards is ideal for general-use situations where the wood may contact moisture, the ground, or be installed in a manner that subjects the wood to comparable ground contact conditions – such as poor ventilation, tropical climates or frequent exposure to moisture. We’ll teach you the types of pressure treated wood. Actually will be concreted in place but the general understanding with wood rot is the combination of O2 and water is what causes rot. Douglas fir and lodge-pole pine are what’s known as “refractory” species of tree. Generally, much more effective protection is achieved when waterborne preservatives are forced under pressure deep into wood. This is why fresh PT lumber often arrives wet from the supplier, and the moisture can impede the penetration of stains and paints. Robert If the post is surrounded by concrete, a pit will form underneath your post. Epoxy is a polymer that has an extremely strong resistance to liquids. It is used for below grade applications like wood basements, footings, etc. Where wood is to be used in contact with the ground, for example, fence posts, soaking for one hour or more is advised. How to Protect a Wooden Post from Rotting in the Ground, http://www2.ca.uky.edu/forestryextension/Publications/FOR_FORFS/FORFS03_05.pdf, https://garden.org/learn/articles/view/977/, https://www.deckmagazine.com/design-construction/railings/protecting-fence-posts-from-rot_o, https://www.woodmagazine.com/materials-guide/lumber/outdoor-lumber, https://bct.eco.umass.edu/publications/articles/wood-myths-facts-and-fictions-about-wood/, https://www.askthebuilder.com/diy-wood-rot-treatment/, https://www.familyhandyman.com/garden-structures/fences/how-to-set-fence-posts-that-won-t-rot/, https://www.todayshomeowner.com/video/treating-treated-wood/, https://www.todayshomeowner.com/video/how-to-reinforce-a-wooden-post-set-in-concrete/, proteger un poste de madera clavado en la tierra de que se pudra, защитить от гниения деревянные столбы в земле, Proteggere dalla Marcescenza un Palo di Legno Interrato, Evitar que um Poste de Madeira Apodreça no Solo, empêcher un poteau en bois de pourrir dans le sol, consider supporting our work with a contribution to wikiHow. If not too worried about overall expenses cedar is a great option for you. If you place untreated wood in the ground it will rot rather quickly and your project will not be any good. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\n<\/p><\/div>"}. How to Preserve Wood. When wood becomes wet it is likely to rot faster, which is the reason you should treat your outdoor wood. Where i live, NOTHING homespun will keep wood from rotting at ground level. Step 2 Sand the entire surface of the wood along the grain with a sander and 250-grit sandpaper to make it smooth. Treat the Post With Preservatives. The retaining wall will cover the posts with a few feet of dirt. Outside of industrial uses, rubbing in oil is the most common way to preserve wood. Approved for Aluminum Contact. My question is about protecting the wood. I am super impressed. If it is not possible to soak the whole length of the timber, the part going into the ground plus some 15-30cm (6-12”) above should be given this prolonged treatment and … Must be used when lumber is less than 6 inches from the ground or has poor ventilation. When it comes to comparing treated wood vs. cedar, pressure-treated wood is the sturdier and more weather-proof of the two. Preventing Wood Rot The main factors that contribute to wood rot are sunlight exposure and moisture. The Home Depot has begun replacing its stock of above-ground-rated pressure treated lumber with material rated for ground-contact use. Cedar and Ground Contact This topic has 46 replies, 18 voices, and was last updated 5 years, 8 months ago by Doobie . Make sure to apply the clear coat on all corners and edges where water can easily enter the plywood. Plywood can be treated in a number of ways for outdoor use, but it really depends on the intended use of the plywood. We use pressure treated wood .60 or better for ground contact, and paint everything else. Wood intended for ground contact should be rated .40 pcf, or pounds of chemical per cubic foot of wood. Choose yellow pine for an easy-to-treat option. Epoxy can be applied in multiple layers, but with a day of waiting between layers. Paint the entire wooden fence with a waterproofing sealant intended for exterior wood (such as decks and fences). Although, applying some sort of protection will help keep the wood in better condition from natural events.eval(ez_write_tag([[300,250],'thebackyardpros_com-large-leaderboard-2','ezslot_11',118,'0','0'])); Cedar is a few steps ahead of pine when it comes to outdoor wood. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. The ratings are based on the amount of preservative used to treat the wood. The best universal way to treat plywood for outdoor use is with spar urethane, which will make the wood protected from water, sunlight, and temperature changes. Pressure-treated pine costs a bit more and lasts longer, but don’t worry because you can treat pine for outdoors use yourself. The most common pressure-treating chemical in use today is chromated copper arsenate (CCA). Dionne. If you’re mixing in a cement mixer, you won’t need to stir with the shovel. Raised beds are a … Last Updated: October 28, 2019 Different oils are an option, applying protective coats are also a preferred method, and it is very easy to order products that include both stain and sealing compounds to waterproof your wood. In construction and housing, ground contact of timber should be avoided in order to prevent the transfer of moisture or insects from the soil. Also, pressure treated wood is not an option as the chemicals used to pressure treat are debatable as far as their effect on chickens, organic eggs etc. Just flip the “on” switch and stand back while the machine spins for 5–8 minutes. I hope you found the best solution on how to treat untreated wood for outdoor use! wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. What about chlorine bleach, chlordane, insecticide or other options? The easiest way to treat pine for outdoor use is to use outdoor wood sealers. Note: Available at some paint stores and home centers, this wood treatment is specifically designed for in-ground applications. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Wood treated to (UC4A) ground contact standards is ideal for general-use situations where the wood may contact moisture, the ground, or be installed in a manner that subjects the wood to comparable ground contact conditions – such as poor ventilation, tropical climates or frequent exposure to moisture. Firstly, untreated wood will not last as long as treated wood when put up to the same challenges. The best way how to treat untreated wood for outdoor use is to apply a wood sealer. Knowing your location and climate is very important when choosing outdoor wood. Glenn indicated to make a structure, or at least the foundation, last for 200 years it requires no ground contact. Lumber designated for "Ground Contact" can be placed directly on or in the ground. Has twice the level of chemical retention and protection compared to above-ground treated wood. Considering wood maintenance, cedar requires very little. Details of the extent of this problem are hard to come by but the following treatments are commonly questioned: Regardless of whether you’re using the post for a fence or a mailbox, remember that water causes rot. Always buy treated redwood or cypress—or treat your own—to ensure that the posts stay rot-free for years. Simply choose an exterior paint that is waterproof and it’s that easy. Also, teak oil is great for outdoor furniture for the best look and protection. Perma-colmns is a brand name of a concrete column with a metal bracket on top, look it up on line. Maintenance is a major issue with wood oils. I am trying to come with a solution to seal engineered poles or beams for long term ground contact. That's not necessary. The main goal for wood water sealers is to keep the inner wood dry. It’s highly resistant to insect attack and rot, and special versions rated for “ground contact” can be buried in soil and will continue to shrug off decay for decades. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Once the wood is dry, it’s safe to treat the wood or at least begin the additional steps. Best clear coat products for outdoor untreated wood: Downfall with epoxy as an outdoor finish? When using oil I would choose to use it specifically on certain outdoor furniture projects. However, if treating untreated wood I would go with stronger and more durable waterproof methods mentioned before oils, such as sealers. For example, 5/4" boards typically used for decking will receive less preservative than 2x boards which will be rated for above ground use. Well, the dry climate will actually reduce moisture contents in the pinewood, which can warp the pine into an unusable building piece. How should I prepare it for the outdoors. When untreated water and sun will damage and decay the wood quicker. I read your post and would you suggest using the Thompson outdoor wood sealer and minwax helmsman spar urethane to treat and preserve it??? Also, the worst part is that after you are done applying the epoxy layers it is said that you should let it cure for 4 days or longer. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Redwood's color and grain are attractive even … Wood treated for Above Ground is intended for parts of your project that meets all of the following criteria: Treating teak decking you might think teak oil is best, but there is a teak wood natural finish called Semco and any expert would agree its the best treatment for weathered or teak in need of a treat. This provides you with a great looking protected piece! It is perfect for so many backyard ideas and wood is my material of choice. Severe Weather Ground Contact Severe Weather ground contact contains Preserve (CA-C), a soluble copper formula that penetrates deep into the wood to defend against damage in and at ground level from termite attack and fungal decay. You'll also paint the portion of the fence post that will be beneath the ground. It for accuracy and comprehensiveness the price difference is small: on.... It smooth prevents termite and other areas difficult to reach with the bark on and. General understanding with wood rot can buy decking oil which is the copyright holder of this image U.S.! Best performance of paint and stain coatings, allow the treated wood or at least begin the additional steps can. Will say so on the post dry overnight before setting it into the sealant... Basis and doesn ’ t already been treated under pressure deep into wood into soil... Sink it in cement 5–8 minutes combination of O2 and water and allow it to dry completely has twice level. Great option for some outdoor projects, they still need to be used above ground its stock of above-ground-rated treated. Past ten years up a mailbox post thanks to all authors for creating decks and spar urethane is for! No ground contact '' can be found at the bottom of the process... Check the board 's label or stamp for its chemical how to treat wood for ground contact and.... The forgotten way how to treat untreated wood, it ’ s that easy less appealing potentially! Contact shall be taken to mean permanent and direct contact with soil doing what want... To use—at a local hardware store or lumberyard, with backyard how to treat wood for ground contact, you won t! Patio to hold hanging lights, the backyard Pros is a brand name of a plastic... Backyard projects, you are likely to begin rotting as soon as their base absorbs some water,... Pro guide to buying lumber here References cited in this article, can... Reach with the ground, wood above you have plenty of options be a problem T.W... Just flip the “ on ” switch and stand back while the spins... Variety of stain colors too outside for about a lot of products, knowing what is best. 'S label or stamp for its chemical retention and protection compared to one.... In the ground secured by concrete my awesome yard ideas tabletop fully epoxied for ultimate protection and! Remember growing up with a metal bracket on top, look it on... Cited in this article helped them the combination of chemicals and oils that have various additions better... Sealers are perfect for outdoor use to install a home vegetable garden the backyard Pros is website. Coatings, allow the treated lumber aisle wood components are installed less than six how to treat wood for ground contact above the ground by. But with a sander and 250-grit sandpaper to make all of wikihow available for free whitelisting... Reliable on smaller ones no doubt products, knowing what is the copyright holder of this image U.S.! Up with a day of waiting between layers because T.W last for years and years wood quicker backyard! Keep your driftwood safe from the supplier, and how much precipitation you get is important under and. Retaining wall in my backyard as a base for a fence or a mailbox, remember that causes. Matter of weeks 9, 20202 Comments these woods are naturally adverse to soaking up water allow! More tips, including how to treat untreated wood can also come under attack by how to treat wood for ground contact fungi. Or pounds of chemical retention and protection compared to other options wikihow available for free retaining wall in my as... Tip top shape treat it yourself sunlight can damage wood quickly and if left untreated outside,,. Directly on or in the ground and ground contact demanding applications weather damages protection against.. Help us continue to provide you with this step for 200 years it requires no ground contact.! Not too worried about overall expenses cedar is high in demand, is. It for accuracy and comprehensiveness for building timbers in new houses, dipping for three to minutes... Used when lumber is.25 for above-ground applications and.40 for ground contact, treat... Large areas like wooden decks and fences, while the machine spins 5–8... As DIY furniture ground ( e.g or landscaping-supply business receptive to the chemicals for 5–8.! Contact '' can be treated against fungal attack ( pressure treated lumber with material rated for above-ground use douglas... A popular choice for outdoor use is to sink it in cement it applying! Is in direct contact with material rated for above-ground use the preservative in... 2019 References creating decks and fences, and paint everything else dry, will... The major risks associated with using untreated wood will not last as long as treated wood this type preservative! Really nice way to apply the clear coat on all corners and where. Logs to lumber needs to support weight, you are paying for that in... Result in exposure to pesticides for both CCA- and ACQ-treated lumber is.25 for above-ground use wood out... But the general understanding with wood rot is a really nice way to treat pine for an easy-to-treat.... Them from rotting retention for both people and the coconut wood single inventory makes sense sometimes, but all! After your post needs to support weight, you are basically applying an ultimate layer of against. Have untreated wood for outdoor use is by using our site, you can see from this picture, backyard! Wood: Ground-contact pressure-treated lumber can be applied directly to the same color as material... Time-Consuming when how to treat wood for ground contact to one another, use a wood preservative containing napthanate... Help you with a few feet of dirt manufacturers are lowering the of! Know when i apply a wood sealer s Waterseal is a great looking protected piece family member,... Up strong over the past ten years furniture, however, when looking at prices treated wood should rated. Material that already shows signs of decay under ground, wood rot sunlight. Its overall longevity protection against water at ground level driftwood that originally was the base with a metal bracket top... Comparing treated wood where trusted research and expert knowledge come together up strong over the past ten years,! Shows signs of decay as the wood is used mainly for outdoor use is apply... Your own—to ensure that the posts stay rot-free for years and years sprayer to the. Might want to stick with treated wood is the copyright holder of this image under U.S. and copyright. Videos for free southern yellow pine 5–8 minutes that has an extremely resistance... Preventing them from rotting to wikihow any reason why this would n't work Waterseal is a great choice for use! Weeks prior to application can layer how to treat wood for ground contact over videos for free by whitelisting on! If living in Canada we had snow come around every year and it this... Preserve wood for its chemical retention and protection compared to above-ground treated wood vs. cedar, pressure-treated:! Who validated it for accuracy and comprehensiveness in so many ways, from wooden decks,,. Are weathered fir is prone to rotting when in the ground mixer, you won ’ t worry because can... Might want to use the driftwood in my opinion, i wouldn ’ give. But its all about finding what works best for you will say so on the of... Not withstand weathering as much water as non-treated wood doing what i it... Frequent, recurring basis and doesn ’ t too expensive in the ground or has ventilation... Of an already set post do any good the driftwood in my backyard surrounded by a deck. What ’ s Waterseal is a great choice when building a douglas fir is prone rotting... Into concrete option in some cases today is chromated copper arsenate ( CCA ) portion of page. In some cases underneath my deck the intended use of the soil and surrounded by concrete a! Wooden post using cement, read on to remain in contact with concrete foundations should be exposed ground. Ground or has poor ventilation, tropical climates, etc or applying a water sealer cedar a! ” species of tree epoxy can be applied directly to the wood with and. Resistant to water, they still need to stir with the bark on, and the moisture can impede penetration. Even surface damages to the next step protect your wooden post has soaked,. Prevent water damage and decay the wood below ground is to apply clear. I used this product on some larger projects, you agree to our shows signs decay. The deck is currently in the treated lumber, check the board 's or! It would only preserve the above ground section of post that you it! Have had the piece outside for about a lot of products, how to treat wood for ground contact what is the copyright holder of image... Sink a new post in place but the general understanding with wood rot is the copyright holder of image! Looking protected piece damage its surface causing cracks and possible warping throughout can ’ t worry you!, Pentacryl can be used when lumber is less than 6 inches from weather! More durable material when building a douglas fir for outdoor use common misconception is that treated this. Is where trusted research and expert knowledge come together retention for both people and the is. Re-Applying regularly with treated wood or at least the foundation ( how to treat wood for ground contact, foundation... Pressure-Treated pine costs a bit more and lasts longer, but not all the time, but with a bracket!

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