Is it better to clean or power wash a deck?

Author: Dr. Isaias Senger V  |  Last update: Saturday, January 31, 2026

To wash your deck, we recommend first applying a deck cleaning solution, and then power washing. A good deck cleaner will remove gray fibers, dirt, mold, mildew and other impurities deep in your deck boards, that power washing alone won't be able to accomplish.

Is it better to pressure wash or clean a deck?

Pressure washing is recommended if you have an older deck or need a really deep clean. The downside to using pressure washers before you stain or paint is that they are extremely good at pushing moisture to the core of your boards.

What is the best way to clean a wood deck?

A few drops of washing up liquid dissolved in water is sufficient. Simply spread generously over the wooden slats and then scrub them thoroughly with a brush or bristled broom. Finally, rinse the deck with clean water. Liquid soap also works.

Is a deck brush better than a pressure washer?

A deck brush is not better or worse than a pressure washer. The scrub brush is used for scrubbing the deck with a cleaning product while the pressure washer is used for washing the cleaning product off the deck. They should be used together to clean a deck properly...

Did I ruin my deck with a pressure washer?

It is only when pressure-washers are used improperly that they damage wood decks. Proper pressure-washing does not harm wood decks and effectively cleans the wood; removing unwanted buildup and helping to restore the look of the deck. Myth 2: Pressure-washing is a simple task that I can easily DIY.

How to Safely Pressure Wash Your Deck | Consumer Reports

Why is my deck fuzzy after power washing?

Pressure washing removes the outer layer of dead wood, and can sometimes make it look like it has short fuzzy hairs. This is caused by the tearing of the wood fibers. This is normal and does not indicate damage. These fuzzies will generally go away in 2 or 3 weeks.

Can I use Dawn dish soap to wash my deck?

Simply squeeze dish soap into a bucket and run some hot water over it. Then mop the solution on to the deck. Brush in the direction of the grain with a stiff-bristled brush (one with a long handle is easier to work with). Rinse off with a hose, allow to dry, inspect the deck and repeat if necessary.

What is the best tool to clean decking with?

We recommend having a long handled, stiff bristled scrubbing brush/broom in your garden deck cleaning kit. Not only will this help with the cleaning process and help prevent damage caused by the overuse of a power washer, but it's also handy to have year round to help keep your deck in tip top condition.

What to spray on a deck before pressure washing?

Pre-treatment of your wood deck, or patio, is important, as this will help to soften up thick dirt or grime before high-pressure washing. For heavily soiled decking, apply a wood-specific, Composite cleaner or detergent and allow to soak in for 5-10 minutes.

Does Simple Green clean decks?

Simple Green Oxy Solve Deck and Fence Cleaner is ideal for both manual and pressure washing to lift and remove dirt and debris from the deck surface. The fast-acting foaming formula eliminates stains from mold and mildew, tree sap, pollen, oxidation, weathering and other grime.

What does vinegar do to a wood deck?

Vinegar is acidic so, normally, it's actually used to remove stains. Issues can arise when vinegar is left to sit on decking for too long, as doing so can seep the color out of the wood. Using undiluted vinegar is especially harmful, as the stronger concentration results in even more acidity that can damage your deck.

What is the best deck cleaner?

The 10 Best Deck Cleaners & Sealers
  • Wolman DeckBrite Wood Cleaner.
  • Simple Green Deck & Fence Cleaner.
  • Olympic Premium Deck Cleaner.
  • Cabot Australian Timber Oil.
  • Ready Seal Natural Cedar Exterior Wood Stain and Sealer.
  • TWP Stain and Sealer.
  • Armstrong-Clark Oil-Based Stain.
  • Deckwise Wisecoat Deck and Siding Waterproof Sealer.

What is the fastest way to clean a deck?

  1. Mix equal parts white vinegar and water.
  2. Apply the cleaner using a pump sprayer, starting from the highest point of the deck and working downwards.
  3. Sprinkle baking soda over stains.
  4. Scrub the deck using a stiff-bristled brush.
  5. Rinse thoroughly with a garden hose or power washer to remove all the cleaner and dirt.

Do I have to seal my deck after pressure washing?

Sealing a deck after pressure washing is crucial to keeping it looking great and preventing damage from the elements.

Can you pressure wash a deck with just water?

The typical cost of a rental for one day is $40 to $100. A pressure washer is a straightforward machine that can clean very well with only water. However, it can ruin your deck if it's not used properly.

What is the hack for cleaning decking?

To clean your deck, combine 250 ml of vinegar with 3.8 litre water. Sprinkle baking soda on any mildewed timber and use vinegar and warm water to scrub over all the boards. Borate is also a natural cleaner and versatile for indoor or outdoor cleaning. Use a ratio of 240 ml of Borax to 3.8 litre of water.

What is in 30 seconds outdoor cleaner?

30 Seconds Ready To Use Outdoor Cleaner is made from a combination of ingredients, with the active ingredient being Sodium Hypochlorite. What happens when you apply the product is that it works immediately on any organics by emulsifying the growth.

Can you clean decking with a pressure washer?

Using a pressure washer to get rid of algae, lichen and moss is the best way to clean decking, as you can avoid the hard work of using a manual scrubbing brush. Pressure washers have a powerful pump and narrow nozzle, allowing them to blast water with a forceful spray.

Do it yourself deck cleaning?

Once you've gathered your ingredients, follow these 4 easy steps:
  1. Mix together the water and vinegar and apply a layer over the decking.
  2. Sprinkle on a layer of baking soda.
  3. Scrub over all the boards using a scrub brush. Add more vinegar solution if necessary.
  4. Rinse with water.

Is Dawn safe for pressure washer?

If you choose to use Dawn in your pressure washer, proper dilution is crucial. A general recommendation is to mix no more than a few ounces of Dawn with a gallon of water to prevent excessive foaming and reduce the risk of pump damage.

What is the best soap to clean a deck with?

It sounds odd, but liquid dish soap is great for cleaning your lightly soiled decks. Just like it's safe to use on your delicate dishes, the dish soap will be safe on your stained deck. It's gentle on the stain and doesn't leave any residue after rinsing.

Why does my deck shake when I walk on it?

Deflection refers to how bouncy a deck feels when walked on. Excessive spans and undersized joists and beams are the primary causes of bounciness. Racking, or more commonly called swaying, refers to when a deck moves from side to side.

What is the best water sealer for decks?

Best Deck Sealers for Clear, Maximum Protection
  • RONSEAL ULTIMATE PROTECTION DECKING OIL, 5 LITRES. ...
  • ROXIL WOOD PROTECTION CREAM, 3 LITRES. ...
  • EVERBUILD WOOD PRESERVER, 5 LITRES. ...
  • CUPRINOL WOOD PRESERVER, 5 LITRES. ...
  • BARRETTINE DECKING OIL, 5 LITRES.

How do you clean and revive decking?

Start by removing any plant pots, furniture or parasols to leave you with a clear deck. Give the surface a wash down using a hose and brush away any debris. Next, we recommend you use the Osmo Decking Cleaner or Osmo Power Gel to give the wooden decking a thorough clean.

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