How To Clean Decking Quickly Without A Pressure Washer

Do you ever think back to the days when your deck was first installed? The smell of new wood and fresh polish. Maybe even slightly obsessed in the hope of preserving its condition till eternity. Then, life happens. Food and drinks get spilled, debris and sand are delivered by the wind, and rain, snow, and bird poop all get time to settle on the wooden deck.

You want to do what it takes – in the most economically effective way – to keep it clean, hazard-free, and maintain its good condition. Not owning a pressure washer is no excuse to avoid deck maintenance or restoration. It’s possible to bring your deck back to life, without pumps, washers, and arm action workouts.

Here’s the best way to clean your decking quickly so it looks like new (without a pressure washer).

How To Clean Your Decking: Remove Algae, Moss & Lichen

Moss that starts growing in and around the garden, paving, and patio, can look unsightly but more importantly, it can be a serious hazard during autumn and winter when the moss turns into a lethal ice-rink.

For a quick and effective clean, use the Pro-Kleen 5 Litre Simply Spray & Walk Away Concentrate. You read that correctly. Simply Spray & Walk Away.

Pro-Kleen 5 Litres - Simply Spray & Walk Away Concentrate Patio - Fencing - Decking - Green Mould and Algae Remover (5L Simply Spray)

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  • This biodegradable, non-acidic, powerful concentrate does not contain bleach yet effectively eradicates moss, mould and algae.
  • Suitable for a variety of surfaces such as patios, fencing, upvc windows, roofs, boat, driveways, decking, even garden ornaments and pots – whatever outdoor hard surface is affected by algae and moss.
  • The active ingredient is non-acidic, has no bleach and is biodegradable PH8 (Water PH7) so no need for the special forces to protect treated areas from children and pets after drying.

How To Clean Your Deck Step By Step

  1. Clear the area so remove plants, furniture, and any other items lying around.
  2. Thoroughly sweep off dust and debris.
  3. Mix 1 litre of Simply Spray & Walk Away with 4 litres water or 1-part concentrate with 4 parts water.
  4. Pour evenly over the affected areas.
  5. Simply walk away and let Pro-Kleen work with time to eliminate the lichen and moss.
  6. See the results in a few days that will last for months.

However, you can use a watering can or if you want to try a pressure washer, this Pump Action Pressure Sprayer is perfect for use with water, fertilizer, or pesticides.

5L Pump Action Pressure Sprayer - use with water, fertilizer or pesticides

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  • It comes with a shoulder strap and extended spray lance to help you make those garden tasks little easier. The spray lance has 2 bar pressure and a trigger lock to control the output flow as required, which can also be adjusted to mist or spray.
  • Frost-resistant and shatterproof, it’s also designed for safe use with pesticides.

Just spray on the Pro-Kleen solution using a low-pressure garden sprayer and transform your deck to looking good as new. It really is as simple as it sounds.


Can I use bleach to clean my decking?

There is a bit of contention around using bleach-based products on a wood deck. Chlorine bleach (like the type we find in swimming pools) contains the potent sodium hypochlorite and should be avoided. Products that contain sodium percarbonate are recommended as its less intense and doesn’t damage the lignin in the wood which is needed to bind the wood structure.

Can I use vinegar to clean my decking?

You can use diluted vinegar with equal parts water if you need to scrub off grime that stubbornly attached to your deck. Remember though that vinegar is acidic and if you use too much of it, too often, with hot water then you may end up damaging the wood. Use sparingly and infrequently.

Can I paint or stain after cleaning my decking?

The very short answer is yes. BUT you must dry the deck properly before applying any paint or stain. Generally, the rule is to wait at least 48 hours with dry, sunny conditions but longer if you’re having damp or wet weather. Whether you’re painting or staining, be sure to follow the proper procedures and techniques to avoid any DIY disasters.

Can I use it on anything else?

Yes good news. You can also use the cleaner on garden fences, block paving and patios.

How To Keep Decking Clean: Stop Algae, Lichen & Moss

It is fairly common to for algae, lichen, and moss to form over hard surfaces in the gardens and the main reason for stopping the green invasion from spreading over your deck is to avoid your deck being a super slippery hazard.

Ronseal DPN5L Decking Protector is a new water-based product that is guaranteed to protect your wood deck from splitting and stretching. It guards against moisture penetration and prevents the growth of algae by keep the surface dry.

Ronseal Decking Protector - Natural - 5L

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The Decking Protector also protects your deck against the rain and sun. Rain can lead to rot, and the sun can turn it grey.

How To Use Ronseal Decking Protector: Step By Step

The Ronseal Decking Protector is the ultimate waterproof protection because the unique formula creates an effective barrier against damp and moisture penetration. By providing a vital seal, it also helps inhibit the crack and swelling process triggered by varying weather conditions.

Before you open the tin:

  • Note that Ronseal Decking Protector is only compatible with new or wood that is able to absorb the protector.
  • Clear everything off the deck and give it a good sweep from dust and debris. Remove any flaky or peeling coatings. It’s recommended to use the Ronseal Decking Cleaner and Reviver before applying the Decking Protector.
  • Clean the deck and allow to dry properly.
  • Do another sweep over the dry surface to be clear of any residue.
  • If you want to test the product first, choose a small area to apply the protector.
  • Shake the tin well before opening.

How To Apply Decking Protector:

  1. If you’re absolutely certain that the deck is drier than a bone, then double check the weather report to see you’ll be above 10 °C with some sunshine. Once the conditions are good, it’s time to get working.
  2. Pour the protector into a suitable container.
  3. Use the right brush or even a low-pressure sprayer. However, if you do spray, be sure to protect objects and plants lying in close proximity. If happen to overspray, you can quickly remove it with a damp cloth before it dries.
  4. Apply Ronseal Decking Protector liberally and on horizontal surfaces, remove accumulating excess by redistributing the Decking Protector to dry areas after 15 minutes.
  5. Apply the first coat and wait 2 hours before applying the second coat.
  6. Clean off any Decking Protector residue on your tools and thoroughly clean the brushes with water and detergent. If you used a sprayer, ensure this is cleaned well.

For a good combination in future maintenance, use the Pro-Kleen decking cleaner to keep your wood deck clean. Once a year, inspect your decking and the coating and simply re-coat with protector whenever necessary.

Frequently Asked Questions

How long will the decking protector last?

You’ll need to clean the decking and apply the protector at least once a year during the summer months. The Ronseal Decking Cleaner and Reviver is ideal as a pre-treatment to start removing the moss and algae.

Do you need to oil the decking after use?

It isn’t necessary to oil the deck afterwards because the Decking Protector contains all the ingredients that prevent the wood from discolouration, warping, and protects against UV exposure.

Does it make decking non-slip?

It is waterproof and prevents moisture from being absorbed or settling on the wood that could create slippery surfaces.

How long does it take to dry?

Drying time will vary depending on climatic conditions and porosity of the wood. Allow at least 24 hours after the final coat before allow activity and foot traffic on the deck.

How much can a 5-litre cover?

Coverage will vary dependent upon the properties of the wood. For planning allow about 6-8m2/litre. A 5-litre container is usually sufficient to apply two coats to 15-20 square metres.

As well as enhancing your deck’s beauty and providing super waterproofing protection our scuff resistant formula means it also protects against foot traffic.

Isn’t it better to clean with a pressure washer?

Pressure washers are an essential tool for cleaning a patio deck properly. In some cases, pressure washers have actually damaged wood, and stripped paint and stain. They can help to get rid of settle debris but a hardy brush, water and Pro-Kleen are very helpful items that are perfect for the job. If you have a pressure washer, by all means use it, but if you don’t own one, don’t fret. You’ll still get that deck looking brand new.

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