The Best Garden Decking Cleaners – Our Top 5

get your garden decking ready for summer!!! we bring you the very best in decking cleaners – check out our top 10!

SaleBestseller No. 1

Chemical Trade Store – Decking Cleaner | Deck Algae and Mould Remover – Removes Dirt, Grime and Bird Droppings – 2.5 Litre

Cleans and Revives: Chemical Trade Store Decking Cleaner effectively removes built-up dirt, grime, and debris while breathing new life into your timber decking, helping to restore its original vibrancy and enhancing its overall appearance.
Extra-Strength Formulation: The extra-strength formulation of Chemical Trade Store Decking Cleaner tackles a wide range of outdoor contaminants, from stubborn grease and dirt to stubborn stains, leaving your decking looking fresh and well-maintained.
Optimal Adhesion: By opening the wood’s pores, Chemical Trade Store Decking Cleaner provides optimal adhesion to the surface, providing a smoother and longer-lasting finish to protect your decking.
Ideal for use Prior to Finish: Chemical Trade Store Decking Cleaner is ideal for cleaning your decking in preparation for applying a finish, ensuring that the surface is properly prepped for superior absorption and durability.
Suitable for all types of decking: Suitable and effective on all types of decking, including softwood, hardwood, and composite materials, making it a versatile choice for various outdoor decking.

SaleBestseller No. 2

PatioXpert – Decking Cleaner & Reviver 2.5L – Powerful Algae & Mould Remover for Composite & Wood, Prepares Decking for Oils & Stains

Deep cleaning restoration: Rapid professional-strength formula breaks down green algae, mould, black spots, dirt and grime. Revives weathered boards and restores natural tone across outdoor decking areas.
Prepares Decking for Finishing: The perfect pre-treatment before applying decking oils, stains, or sealants. Enhances absorption for a longer-lasting, professional-quality finish.
Fast acting easy use: Apply generously to damp or dry boards, agitate with a stiff brush and leave 10–30 minutes. Rinse with a pressure washer or garden hose for effortless results on light to medium soiling.
High coverage versatility: Covers up to 10m² per litre depending on soiling and surface texture. Suitable for hardwood, softwood and composite decking, steps, rails and terraces in gardens, patios and balconies.
Seasonal revival care: Removes deep-set grease, grime and winter contaminants to extend deck life and appearance. Ideal for routine maintenance to reduce black spot return and keep outdoor spaces looking clean.

SaleBestseller No. 3

Jeyes 4-in-1 Patio and Decking Power, Outdoor Cleaner for Patios, Paths, Driveways, Stone & Concrete, 4 Litres (Packaging may vary)

Jeyes Fluid Outdoor Cleaning Fluid has been tackling a range of outdoor cleaning tasks for over 140 years
Kills 99.9% of germs, this strong disinfectant is effective at killing many different times of germs in the outdoor environment
Kills and prevents re-growth of mould, algae & mildew on all had outdoor surfaces including, patios, paths, driveways, stone, concrete & all wooden outdoor surfaces (e.g. decking, fencing)
No scrubbing, providing long lasting results and restores natural colour
Covers up to 180m2

Bestseller No. 4

5 Litre Concentrate Spray & Leave Cleaner – Patio Fencing Decking – Green Mould & Algae Killer

✓ CLEANS WITH NO EFFORT: Jarder Spray And Leave Kills All Green Mould, Algae & Lichen With Ease, Without The Need For Scrubbing Or Pressure Washing! Simply Mix, Spray & Walk Away – Works Like Magic!
✓ SUPER CONCENTRATE: One 5 Litre Bottle Of Jarder Spray & Leave Makes A Minimum Of 30 Litres Of Solution Covering A Huge 240m² Area – Jarder Spray & Leave Is a Maximum Strength Super Concentrate Boasting 50% More Active Ingredient Than Other Brands!
✓ ALL HARD SURFACES: Perfect For Use On Patios, Decking, Fencing, Paths, Driveways, Roofs, Sheds, Greenhouses, Garden Statues, Terracotta Pots, UPVC Windows, Boats, Caravans, Motor Homes And All Indoor & Outdoor Hard Surfaces Affected By Green Mould and Algae.
✓ PREVENTS REGROWTH: Once Treated Results Will Show In 2-3 Days. Spray & Leave Penetrates Your Outdoor Surfaces Creating An Invisible Barrier Which Will Help To Prevent Re-Growth For Up To Six Months!
✓ SAFE & GUARANTEED RESULTS: Biodegradable PH8; Non-Caustic, No Acid & No Bleach! Jarder Spray & Leave Is Safe For Children & Pets Once The Area Is Dried. Prepare To Be Amazed!

SaleBestseller No. 5

Furniture Clinic 5L Decking Cleaner for Wood – Weathered Deck Cleaner, Stain Remover & Restorer – Clean & Remove Dirt & Algae from Wooden Garden Patio Surfaces

ADVANCED FORMULA: Our wood Decking Cleaner and reviver provides highly effective results for cleaning and reviving garden decking, sheds, and fences. It cleans and restores the wood, bringing it back to its original colour.
QUICK ACTING AND EASY TO USE: Fast-acting and hassle-free. Simply apply directly to the surface and leave it to work.
REMOVES GREEN STAINING: This highly effective deck cleaner removes dirt, grease, and unsightly green staining from wood. It also works as an algae and lichen remover, ensuring your surfaces are left clean and fresh.
PREPARES WOOD FOR OILING: Use our wood Decking Cleaner before applying our Decking Stain or Decking Oil to open the wood pores, improving absorption for a long-lasting finish.
COVERAGE: One 5L bottle covers up to 25m² of garden decking, making it a cost-effective solution for cleaning large wooden surfaces.

SaleBestseller No. 6

Jeyes 4 In 1 Patio & Decking Cleaner (2 Litre). Patio Cleaner Fluid for Paths, Drives, Decking & Fencing – Outdoor Disinfectant Liquid or Pressure Washer Detergent – Tackles Dirt, Algae & Stains

4 IN 1 COMPLETE CLEAN FOR PATIOS & DECKING – Tackle tough grime on paths, patios, decking and fencing the easy way – just use Jeyes! No mixing, no fuss—just powerful 4-in-1 cleaning action. Pressure washer compatible for an even deeper clean
RESTORES THE NATURAL COLOUR OF HARD SURFACES – Lift away layers of sludge and slime to reveal the true beauty of your patios and decking. Jeyes driveway cleaner gets to work fast, eliminating buildup for outdoor spaces that are fresh and ready to use
FIGHTS DIRT, LIMESCALE, STAINS & ALGAE – Get your garden summer-ready with Jeyes’ powerful 4-in-1 action. Tackling everything from stubborn limescale to ground-in dirt, this patio and decking cleaner delivers long-lasting results without scrubbing
READY TO USE STRAIGHT FROM THE BOTTLE – The pre-diluted formula makes cleaning quick and easy. Simply apply and let Jeyes outdoor patio cleaner solution handle the tough stuff. For lighter surface growth, simply dilute for a milder application
THE ORIGINAL OUTDOOR CLEANER – Jeyes has been keeping outdoor spaces clean and protected since 1877. Trusted by generations, with over 145 years’ expertise, our products fight dirt, stains, bacteria and germs to make outdoor cleaning easier than ever

Bestseller No. 7

SmartSeal Deck Cleaner – Powerful And Efficient Composite Decking Cleaner & Fence Cleaner- No Pressure Washing – Concentrated Formula Decking Cleaner for Wood – Removes Algae Easily! (5 Litre)

🧹 REVITALISE AND CLEAN YOUR DECK WITH SMARTSEAL DECK CLEANER – High-Performance Decking Cleaner and Reviver. Specifically designed to remove green growth, algae, and black spot lichens from decks, fences and other external wooden surfaces, this powerful non-acidic formula ensures thorough cleaning. Say goodbye to unsightly growth and enjoy a rejuvenated wooden deck with this highly effective decking cleaner and algae remover.
🛠️ RESTORE YOUR DECK WITH CONFIDENCE – Say goodbye to the need for pressure washing, which could potentially damage your decking. Our deck restorer is designed to remove the need for aggressive pressure washing, preventing potential damage such as marks, striping, and compromised wood integrity. Safely revive your composite or wooden decking with our effective formula. Revive the colour and beauty of your garden decking with our trusted deck restorer.
🦠 POWERFUL DECKING ALGAE REMOVER AND RESTORER – Experience the ultimate solution for killing off green growth and removing organic matter from your decking and garden furniture. Our formula contains potent biocides specifically designed to target and eliminate green algae and other organic substances such as black lichen. Revive the colour and appearance of your composite decking with our effective and reliable decking restorer.
🧑‍🔧EFFORTLESS COMPOSITE DECKING RESTORATION – Rejuvenate your composite decking and restore its vibrant colour with ease. Our composite decking restorer provides a simple DIY solution that can be carried out by anyone. Simply apply the product and work it into the surface using a brush or stiff broom, then allow it to sit for 1-2 hours. Finally, rinse with water. No professional assistance required – you can confidently undertake this project yourself.
🧴 SUPERIOR BLACK SPOT AND ALGAE REMOVER – Discover the power of our algae remover and cleaner. Effortlessly eliminate algae, grime, and black spots. Most dirt and grime disappear after one application, for a “Good as New” look. For stubborn areas, consider a second coat. Say goodbye to green algae and black lichen with our effective deck cleaning solution.

SaleBestseller No. 8

Kärcher 62957570 3-in-1 Wood Plug and Clean Pressure Washer Detergent, 6.295-757.0

Unique 3in1 formula = clean, care and protect in one step
Cold Water Activator: Tough on grease, algae and soiling caused by emission even when using cold water
UV Protection for decelerating the darkening or fading of wooden surfaces
Intensive Care for long-lasting durability
Convenience – with Plug ‘n’ Clean and Suck ‘n’ Clean no mixing or decanting of detergent necessary

SaleBestseller No. 9

Chemical Trade Store – Composite Decking Cleaner | Plastic UPVC Deck Algae and Mould Remover – Removes Dirt, Grime and Bird Droppings – 2.5 Litre

Cleans and Revives: Chemical Trade Store Composite Decking Cleaner effectively removes built-up dirt, grime, and debris while breathing new life into your composite decking, helping to restore its original vibrancy and enhancing its overall appearance.
Extra-Strength Formulation: The extra-strength formulation of Chemical Trade Store Composite Decking Cleaner tackles a wide range of outdoor contaminants, from stubborn grease and dirt to stubborn stains, leaving your decking looking fresh and well-maintained.
Versatile Outdoor Cleaning: Not just for decks, Chemical Trade Store Composite Decking Cleaner is perfect for patios, fences, and other outdoor surfaces. Effortlessly restore the beauty of your entire outdoor space.
Variety of Applications: Suitable for all composite materials, Chemical Trade Store Composite Decking Cleaner is incredibly easy to apply. Whether you use a sprayer, pressure washer, or brush, Chemical Trade Store Composite Decking Cleaner ensures a simple and hassle-free cleaning process.
Suitable for all types of decking: Suitable and effective on all types of decking, including softwood, hardwood, and composite materials, making it a versatile choice for various outdoor decking.

SaleBestseller No. 10