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Shop clearance and get 2 for 1 with the code BOGOF20. Available while stocks last.

Watco Decking Cleaner

Was £19.20 - Now £4.48

  • Keeps decking looking its best
  • Removes dirt, algae and lichen
  • Water-based and biodegradable
  • Will not harm surrounding plants
  • Economical concentrated formula

Watco Decking Cleaner is a powerful but gentle cleaning solution, specially formulated to remove dirt from timber decking surfaces. It is also effective in removing algae and lichen. 

Recommended areas of use

  • Watco Decking Cleaner is also useful for general cleaning of most hard surfaces including concrete


  • Biodegradable and virtually solvent free
  • Water based
  • Economical concentrated formula
Coverage 20m² per 5L.

Surface preparation

Remove any heavy build up of surface contamination and lichen growth by brushing, scraping or other suitable means before applying Watco Decking Cleaner.


Wear impermeable gloves and eye protection. Apply diluted Watco Decking Cleaner by brush or from a watering can fitted with a rose. Scrub with a stiff bristle brush or broom until clean. Leave for about 5 minutes. Repeat if necessary. Wash away residues with clean water. Allow to dry. It does not matter if Watco Decking Cleaner solution comes into contact with neighbouring flower beds or grass, and it will not stain concrete.

General maintenance

General maintenance regular use on treated or untreated timber will help maintain its appearance and minimise any deep seated dirt.

Data sheets

Safety data sheets

Safety Data Sheet

Technical data sheets

Technical Data Sheet

£4.48 (Ex VAT)


In stock

Delivery options
Click & Collect

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Help & Advice

Contact our friendly and professional Technical Advisors for expert help and advice for your project. You can give us a call on 01483 418 418 or email

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