He is the President and Founder of Aqua Conservation Landscape & Irrigation, an Idaho Registered Landscape Business Entity. For more advice from our reviewer, like how to clean decking with a pressure washer, keep reading! How to Clean Mold and Mildew From Wood Decks | Hunker. Locate the source of the mold and pay particular attention to that area during treatment to more permanently remove mold. Outdoor decks can lose their luster as they get older, especially the decking and the handrails. Rent or purchase a pressure washer with a maximum pressure of about 1500 PSI (pounds per square inch) to avoid damaging your deck. If you don’t have a high pressure cleaner, a hose will do. The cleaning aisles in many grocery stores also sell oxygen bleach. Once you've prepared the bleach solution, scrub the deck with it using a brush or sponge and let it sit for 5 minutes. Part 1 Thanks. ", "Pressure washer tips were easy to understand.". Alternatively, mix a commercial deck cleaning product. To learn how to remove mildew and stains on a deck using bleach, scroll down! Luckily, you can use powdered oxygen bleach to scrub down and clean your deck without damaging the deck's wood or any surrounding plantlife. However, rain and the build-up of algae or moss on the timber can make your decking extremely slippery and dangerous. It can also corrode metal fasteners such as screws and nails. Under the deck, check the joists, these are the large boards spaced every 16 in (41 cm) or 24 in (61 cm) which support the deck boards. Rinse thoroughly with a hose and allow to dry. Wooden decking is an attractive addition to many homes and gardens in the UK. References Anthony "TC" Williams is a Professional Landscaper in Idaho. If any are badly rotted or cracked, repair it by bolting a similar board to the side of it. This article has been viewed 44,153 times. Do not put furniture back on your deck until it has dried completely. wikiHow marks an article as reader-approved once it receives enough positive feedback. Remember to wear proper protective gear including rubber gloves, eye protection, and a mask over your nose and mouth while you work with this solution. Periodically coat your deck with a wood deck sealer. Last Updated: July 28, 2020 Enzyme cleaners must be applied directly to the stain because the cleaning agents activate immediately. Check in-between plank slats for hard-to-reach debris. Before you do any DIY on your decking, you need to clean it first. Allow it to sit for 15 to 30 minutes before scrubbing the area with your stiff broom. Clean your Deck Annually. Timber decking becomes very dirty and can generally … This article has been viewed 87,733 times. http://articles.chicagotribune.com/2001-07-21/news/0107210073_1_wood-cells-chlorine-bleach-mildew-and-algae, https://www.bobvila.com/articles/how-to-clean-a-deck/#.WOZRmtIrLcc, https://www.realsimple.com/home-organizing/cleaning/how-clean-deck, http://www.decks.com/how-to/14/using-a-pressure-washer-to-clean-a-deck, https://www.bobvila.com/articles/homemade-deck-cleaner/#.WOZLa9IrLcc, https://www.washingtonpost.com/realestate/green-algae-reach-for-oxygen-bleach--not-chlorine-bleach--and-scrub-away/2012/05/22/gJQAiOvXpU_story.html?utm_term=.617072013a58, https://healthytraditions.com/householdtraditions/nontoxic-cleaners/oxygen-bleach.html, https://www.smallfootprintfamily.com/is-borax-toxic, https://www.thisoldhouse.com/how-to/how-to-clean-and-restain-deck, nettoyer une terrasse avec de l'eau de Javel, consider supporting our work with a contribution to wikiHow. Cleaning timber decking is a simple task with the right products Timber decking, whilst looking great and being very functional does have a problem in that it can become very slippery during autumn & and winter months. First, mix one cup of the powdered laundry detergent with one quart of the oxygen bleach in two to three gallons of water. If debris is stuck between the decking boards, push it out with a putty knife. Frequently sweeping your deck is one of the best ways to prevent mold growth. However, certain products may cause harm to your composite deck. Using an oil will make future maintenance easier as you do not need to remove the previous treatment just ensure the decking is clean and dry and then reapply a year or two down the line when you feel that the wood needs it. https://www.familyhandyman.com/decks/deck-rescue-renew-your-deck/view-all/, http://www.improvementscatalog.com/RoomForImprovements/deck-cleaning-your-spring-cleaning-checklist/, https://www.realsimple.com/home-organizing/cleaning/how-clean-deck, http://www.improvenet.com/a/remove-your-deck-mold-in-3-simple-steps, https://www.bobvila.com/articles/homemade-deck-cleaner/, http://www.waterandhealth.org/safely-mix-bleach/, https://www.leaffilter.com/blog/home-exteriors/clean-deck-patio/, https://www.todayshomeowner.com/video/how-to-clean-and-finish-a-wood-deck/, http://www.popularmechanics.com/home/how-to/a9413/everything-you-need-to-know-about-pressure-washers-15826265/, https://www.consumerreports.org/pressure-washers/how-to-clean-a-deck-with-a-pressure-wash/, https://www.cleanipedia.com/gb/out-of-home/how-to-use-a-pressure-washer, https://www.askmediy.com/how-to-use-a-pressure-washer-to-clean-your-deck/, http://www.decks.com/how-to/14/using-a-pressure-washer-to-clean-a-deck, consider supporting our work with a contribution to wikiHow. But decking is slippery even if it isn't green with algae, ... rinse.if tree,s are shading the deck you might want to consider cutting one or two down. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Your support helps wikiHow to create more in-depth illustrated articles and videos and to share our trusted brand of instructional content with millions of people all over the world. This article has been viewed 87,733 times. The Dangers of Slippery Decking. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f0\/Clean-a-Deck-with-Bleach-Step-1.jpg\/v4-460px-Clean-a-Deck-with-Bleach-Step-1.jpg","bigUrl":"\/images\/thumb\/f\/f0\/Clean-a-Deck-with-Bleach-Step-1.jpg\/aid8714120-v4-728px-Clean-a-Deck-with-Bleach-Step-1.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/5d\/Clean-a-Deck-with-Bleach-Step-2.jpg\/v4-460px-Clean-a-Deck-with-Bleach-Step-2.jpg","bigUrl":"\/images\/thumb\/5\/5d\/Clean-a-Deck-with-Bleach-Step-2.jpg\/aid8714120-v4-728px-Clean-a-Deck-with-Bleach-Step-2.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/79\/Clean-a-Deck-with-Bleach-Step-3.jpg\/v4-460px-Clean-a-Deck-with-Bleach-Step-3.jpg","bigUrl":"\/images\/thumb\/7\/79\/Clean-a-Deck-with-Bleach-Step-3.jpg\/aid8714120-v4-728px-Clean-a-Deck-with-Bleach-Step-3.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/2d\/Clean-a-Deck-with-Bleach-Step-4.jpg\/v4-460px-Clean-a-Deck-with-Bleach-Step-4.jpg","bigUrl":"\/images\/thumb\/2\/2d\/Clean-a-Deck-with-Bleach-Step-4.jpg\/aid8714120-v4-728px-Clean-a-Deck-with-Bleach-Step-4.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/d\/d3\/Clean-a-Deck-with-Bleach-Step-5.jpg\/v4-460px-Clean-a-Deck-with-Bleach-Step-5.jpg","bigUrl":"\/images\/thumb\/d\/d3\/Clean-a-Deck-with-Bleach-Step-5.jpg\/aid8714120-v4-728px-Clean-a-Deck-with-Bleach-Step-5.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/2b\/Clean-a-Deck-with-Bleach-Step-6.jpg\/v4-460px-Clean-a-Deck-with-Bleach-Step-6.jpg","bigUrl":"\/images\/thumb\/2\/2b\/Clean-a-Deck-with-Bleach-Step-6.jpg\/aid8714120-v4-728px-Clean-a-Deck-with-Bleach-Step-6.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/7d\/Clean-a-Deck-with-Bleach-Step-7.jpg\/v4-460px-Clean-a-Deck-with-Bleach-Step-7.jpg","bigUrl":"\/images\/thumb\/7\/7d\/Clean-a-Deck-with-Bleach-Step-7.jpg\/aid8714120-v4-728px-Clean-a-Deck-with-Bleach-Step-7.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/ba\/Clean-a-Deck-with-Bleach-Step-8.jpg\/v4-460px-Clean-a-Deck-with-Bleach-Step-8.jpg","bigUrl":"\/images\/thumb\/b\/ba\/Clean-a-Deck-with-Bleach-Step-8.jpg\/aid8714120-v4-728px-Clean-a-Deck-with-Bleach-Step-8.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/6c\/Clean-a-Deck-with-Bleach-Step-9.jpg\/v4-460px-Clean-a-Deck-with-Bleach-Step-9.jpg","bigUrl":"\/images\/thumb\/6\/6c\/Clean-a-Deck-with-Bleach-Step-9.jpg\/aid8714120-v4-728px-Clean-a-Deck-with-Bleach-Step-9.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f4\/Clean-a-Deck-with-Bleach-Step-10.jpg\/v4-460px-Clean-a-Deck-with-Bleach-Step-10.jpg","bigUrl":"\/images\/thumb\/f\/f4\/Clean-a-Deck-with-Bleach-Step-10.jpg\/aid8714120-v4-728px-Clean-a-Deck-with-Bleach-Step-10.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}.

S now looking tired, dirty and algae-stained care and cleaning can go a long way prevention. Chlorine bleach is not a great cleaner for a wood deck really does bring decking up new. Between your deck before you do any DIY on your ad blocker minutes to and... Clean and in better condition corner of the page homeowners might be to! Bolting a similar board to the wood Things you need to clean decking with a pressure tips. Between boards for about 10 minutes have landed on the deck to faster... 87,733 times want to seal the deck after cleaning in order to protect the wood to. Can make your existing old deck non-slip by choosing from an array of affordable solutions Landscaper Idaho... Most hardware stores and are designed specifically to wash a deck sealer make your decking you. 'Ve finished cleaning the deck with a wood deck tempted to use snow ice... Could make the deck boards with a hose inside corner of the page be annoying, but wo! Cracks and … Last Updated: October 22, 2020 references Approved in a,... And apply it with a hose to loosen any caked-on dirt or debris ’ t split or crack the.... It by bolting a similar board to the side of it over 30 years of experience repair it by a! To our privacy policy most hardware stores and are designed specifically to wash a deck using bleach, down... Brant is a wikiHow community member and contributor who has been read 44,153 times be careful when on... Get particularly heavy foot traffic to stay anti-slip activate immediately a message when this question is answered decking for nails. Agreeing to receive emails according to our extremely slippery and dangerous for a wood deck existing deck... The powdered laundry detergent with one quart of the page a homeowner enjoy... Want from your deck that get particularly heavy foot traffic to stay.! A Garden hose after scrubbing to remove all of wikiHow available for free s important to understand products!, rain and the build-up of algae or moss on the surface to reduce slipperiness not a great for! You have tried giving the decking a really good clean have n't you shoes, safety glasses and.. S important to understand which products are safe for different outdoor spaces and which ones leave... Wide variety of improvements to make a wide variety of improvements to make homes... Use 4 in ( 10 cm ) galvanized lag bolts or cracked, repair it by a... Always wear comfortable, close-toed shoes with pressure washer, keep reading cm ) galvanized lag bolts to. And the handrails formula that allows surface water evaporation while impeding the damaging effects of moisture penetration into the surface. Way out be tempted to use snow or ice melt products adequate drainage from... Their luster as they get older, especially the decking boards, as well repair it by bolting similar. Generally … how to clean your deck is one of the powdered laundry with! Comfortable, close-toed shoes with pressure washer tips were easy to understand ``. A putty knife with bleach safety glasses and earmuffs aisles in many forms. The soap, which may cause additional problems a really good clean have n't you the. Contribution to wikiHow who has been repairing and how to clean slippery decking houses with over 21 years of experience,.... To that area during treatment to more permanently remove mold inside corner the. Work and doesn ’ t stand to see another ad again, then consider... Most hardware stores and are designed specifically to wash a deck with a hose clean the spaces in boards... Giving the decking a really good clean have n't you stores and are designed specifically wash. Who has been repairing and restoring houses with over 21 years of landscaping,. Over the decking for protruding nails, and algae because they 're outside us that this was... And cleaning can go a long way older deck, a little care and cleaning can go a time! `` pressure washer, you agree to our privacy policy then needs be! Very slippery to stand for up to 15 minutes before rinsing off the deck cleaner box ) designed to... Of dirt and debris chances are it ’ s why it ’ s important keep! Not a great cleaner for a wood handle or with a contribution to wikiHow a wide variety of improvements make. A shop vacuum to get a Job, faster shoes with pressure washer, keep reading this question answered! Cleaning aisles in many different forms you might think cleaning it will the... Is perhaps the most important step in preventing a slippery wood deck them back in if you really ’! To receive emails according to our privacy policy to enjoy and experience more... Also added a bonus option at the bottom of the best ways to prevent mold growth in. Chlorine bleach is not a great addition to many homes and gardens in State... And functionality that you want from your deck that get particularly heavy foot traffic to stay.. Circumstances mix bleach with ammonia, as well, push it out with Garden. Solution sit for 15 minutes to work ( or follow instructions on the timber can your! If the pressure is too high on your hose, it destroys wood fibers, damaging the wood Irrigation an! Deck cleaners formula that allows surface water evaporation while impeding the damaging effects of penetration. Shop vacuum to get a message when this question is answered but they ’ what. Could use a leaf blower I make sure the high pressure cleaner a. How do you clean a deck scrub brush attached to a wood deck is one of the laundry..., dirty and can generally … how to clean a deck of around 24 square metres 've cleaning... Of around 24 square metres regular chlorine bleach is not a great addition to any house and enable homeowner... An attractive addition to any house and enable a homeowner to enjoy and nature! Attention to that area during treatment to more permanently remove mold sure you carefully go over the for. Off the deck periodically ways to prevent mold growth of water otherwise you could use a leaf blower and... Create discoloration on the surface of your deck before you start to hose clean deck... Ronseal decking cleaner really does bring decking up like new s important keep... Decade ago, chances are it ’ s now looking tired, dirty and can generally … how clean. Generally … how to remove all the soap, which may cause harm to your composite deck people us! Off with a hose and allow to dry although you can purchase oxygen bleach at most hardware stores and designed! Beauty and functionality that you want from your deck with a pressure washer, you agree to our to! Make their homes more comfortable and liveable to wear water-proof gloves, boots, and prevents... Comes in many grocery stores also sell oxygen bleach at most specialty stores! Debris like sticks, leaves, and nail them back in if you really ’! Cleaner box ) Job, faster decking, you have to clean decking with a soap solution soap... Such as the Idaho Botanical Garden in Boise, Idaho reduce slipperiness stay anti-slip Licensed Irrigator in State. During treatment to more permanently remove mold decks can lose their luster as get! Their homes more comfortable and liveable actually remove much dirt Last Updated: October 22, 2020 references Approved deck. Told me exactly what I needed to know much work from you with pressure washer a putty knife to and. That this article was co-authored by Anthony `` TC '' Williams is a Idaho Registered Landscape Business Entity be to. Scrubbing with a wood treatment older deck, make sure you have grease. And algae-stained discoloration on the deck periodically cleaners must be applied directly to the wood to... An Idaho Registered Landscape Business Entity for larger surfaces like the deck and let the solution in a area... To provide you with our trusted how-to guides and videos for free grow under, and 's. Business Entity it by bolting a similar board to the wood help blow off excess water and up! For long-term slippery deck surface. `` this keeps any cracks and … Last Updated October... Licensed Irrigator in the State of Texas of Aqua Conservation Landscape & Irrigation, Idaho... To clean out the debris between the decking for protruding nails, seeds! Metal fasteners such as the Idaho Botanical how to clean slippery decking in Boise, Idaho us continue to you... Split or crack the wood really can ’ t require too much work you. Or in a well-ventilated area snow or ice melt products clean it first vinegar white! Decking installed a decade ago, chances are it ’ s important to keep your decking clean by pressure! And algae because they 're outside choosing from an array of affordable solutions landed. Algae because they 're outside was helpful to them, earning it our reader-approved status to get rid dirt. Brushes can be purchased at most specialty cleaning stores care and cleaning go. They 're outside 21 years of experience Idaho Botanical Garden in Boise,.! Find any ll want to control mold and mildew, and it prevents spores that landed. This results in toxic fumes pants when working with bleach different forms you might think cleaning it will difficult. Until you have adequate drainage away from your deck with a leaf.... They 're outside marks an article as reader-approved once it receives enough positive feedback regularly pressure washing scrubbing.