10 bestDeck Cleanersof April 2025
112M consumers helped this year.
16% off
1
Cuprinol CUPDONO25L Decking Oils/Stains/Paints/Cleaning
Cuprinol
9.8
24% off
2
Kärcher 2.644-074.0 T7 Plus T-Racer Surface Cleaner
Kärcher
9.6
17% off
3
Pro-Kleen MY16 Patio Cleaner Simply Spray and Walk Away Green Mould and Algae Killer for Patios, Fencing and Decking 5 Litre Concentrate (Makes 25 litres)
Pro-Kleen
9.3
4
Decking Cleaner 5L - Quick Acting Formula That Cleans and Revives Weathered Decking by Furniture Clinic – Removes Algae & Moss – No Scrubbing Required
Furniture Clinic
9.1
5
KARCHER Genuine Patio + Deck Pressure Washer Cleaner Detergent Fluid - Mixes up to 5L (Pack of 2)
Kärcher
8.8
OtherUp to 16% off
Roxil 200 Wood & Patio Cleaner 5L- Cleans decking, fencing, wooden structures, patios and paving (200 Concentrate)
SmartSeal Deck Cleaner - Powerful And Efficient Composite Decking Cleaner & Fence Cleaner- No Pressure Washing - Concentrated Formula Decking Cleaner for Wood - Removes Algae & Moss Easily! (5 Litre)
Everbuild 401 Brick & Patio Cleaner 5Ltr.- BC5L
Karcher 5 L Canister Pressure Washer Detergent - Wood Cleaner
6
Rustins Composite Decking Cleaner - Effective Mold and Mildew Remover | Deep Cleaning Solution for Decks, Patios, and Outdoor Spaces 4 litre
RUSTINS
8.5
7
Roxil 100 Mould, Algae & Lichen Killer (2 x 5L) - Restore the appearance of your Patio, Deck, Fence or Paving
Roxil
8.2
8
Composite Decking Cleaner & Aftercare Pack 10L
HLS Supplies
7.9
9
HLS Composite Decking Cleaner and Restorer 5L - High-Performance Concentrated and Easy-to-Use Formula for Comprehensive Deck Care and Restoration
HLS Supplies
7.6
30% off
10
Ronseal DC Decking Cleaner 5 Litre
Ronseal
7.3
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A Guide to Selecting the Best Deck Cleaners
Choosing the right deck cleaner is essential for maintaining the beauty and longevity of your deck. A good deck cleaner will effectively remove dirt, grime, mold, and mildew, while being safe for the deck material and the environment. When selecting a deck cleaner, consider the type of deck material you have, the level of cleaning required, and any environmental concerns. Understanding the key specifications of deck cleaners will help you make an informed decision that suits your specific needs.
Type of Cleaner
Deck cleaners come in various types, including oxygenated, bleach-based, and biodegradable cleaners. Oxygenated cleaners are generally safe for all types of wood and are effective at removing dirt and mildew without harsh chemicals. Bleach-based cleaners are powerful and can remove tough stains and mold, but they may be too harsh for some wood types and can harm surrounding plants. Biodegradable cleaners are environmentally friendly and safe for most surfaces, but may require more effort for deep cleaning. Choose a cleaner type based on the material of your deck and the level of cleaning required.
Application Method
Deck cleaners can be applied using different methods such as spray, brush, or pressure washer. Spray cleaners are convenient and easy to use, ideal for light cleaning tasks. Brush application allows for more control and is effective for scrubbing stubborn stains. Pressure washers can cover large areas quickly and are suitable for deep cleaning, but they require careful handling to avoid damaging the deck surface. Consider the size of your deck and the extent of cleaning needed when choosing an application method.
Concentration and Dilution
Some deck cleaners come in concentrated form and need to be diluted with water before use, while others are ready-to-use. Concentrated cleaners offer more value as they can be adjusted for different cleaning strengths, but require careful mixing. Ready-to-use cleaners are convenient and save time, but may be less economical for large areas. If you have a large deck or need to tackle tough stains, a concentrated cleaner might be more suitable. For smaller decks or routine maintenance, a ready-to-use option could be more convenient.
Compatibility with Deck Material
Different deck materials, such as wood, composite, or vinyl, may require specific types of cleaners. Wood decks, especially those made from softer woods, need gentle cleaners to avoid damage. Composite decks can handle more robust cleaners but still require products that won't strip away protective coatings. Vinyl decks are generally easy to clean but need products that won't cause discoloration. Always check the cleaner's compatibility with your deck material to ensure effective cleaning without causing harm.
Environmental Impact
The environmental impact of a deck cleaner is an important consideration, especially if you have plants or a garden nearby. Biodegradable and eco-friendly cleaners are designed to minimize harm to the environment and are safe for use around plants and pets. These cleaners are typically free from harsh chemicals and are a good choice if you are environmentally conscious. If environmental impact is a priority for you, look for products labeled as biodegradable or eco-friendly.
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