Cuprinol Decking Cleaner 2.5L - Clean and Prepare Your Decking for Staining | JDS DIY
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Cuprinol Decking Cleaner 2.5L

Cuprinol Decking Cleaner

Barcode: 5010368058822
Regular price
£10.85 GBP
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£10.85 GBP
Regular price
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Tax included. Order before 6pm weekdays for premium delivery (1-2 days), only £3.99 or Free on orders over £75

Cuprinol Decking Cleaner is an all-in-one decking cleaner that is perfect for use on garden decking, patios and stonework. Containing specially formulated detergents, it effectively cleans a wide range of surface contaminates, including dirt, grease, algae and mould.������������������������������This product can be used as a pre-treatment for cleaning biological matter from wooden decking before applying a Cuprinol decking oil or decking stain.

Please Note: Cuprinol Decking Cleaner is not intended as a replacement for the regular treatment of decking.

Looking for a cleaner for garden furniture? Try Cuprinol Garden Furniture Cleaner

Cuprinol Decking Cleaner. A powerful decking detergent specially formulated to remove dirt, grease, algae and mould.

Features and Highlights
An effective anti-algae decking cleaner for softwood and hardwood decking
Suitable for use on garden decking, patios and stonework.������������������������������Contains powerful detergents, specially formulated to remove dirt, grease, algae and mould.������������������������������Ideal as a pre-treatment before applying a decking oil or stain.������������������������������Sterilises surfaces to help prevent re-growth.������������������������������Water-based

  • Brand Cuprinol
  • No. of coats 1
  • Coverage Up to 12m������������������������������ per litre
  • Drying time 16 hrs
  • Size 2.5L
  • MPN 5083456
  • GTIN 5010368058822

Remove excessive organic growth and soiling with a scraper, stiff brush or broom before treating decking boards with Cuprinol Decking Cleaner.

Always do small a test area before beginning any project to check suitability and compatibility. Follow the manufacturer s instructions on the tin at all times.

  • For lighter organic growth, dilute with an equal amount of water
  • For heavy mould / algal growth, apply undiluted
  • Apply generously by brush, spray or watering can (fitted with a rose)
  • When spraying, use a coarse (airless) spray and avoid misting
  • Scrub affected area with a stiff brush or broom
  • Leave for a few minutes then rinse off with water

Allow to dry fully dry for a minimum of 16 hours before applying a decking oil or stain

Please Note: Heavily soiled decking may require a second application to fully clean. Take care to ensure that Cuprinol Decking Cleaner does not come into contact with nearby plants, fish ponds, watercourses or drains.


We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at


All orders are processed within the same day. We will contact you if there are any delays. However, some orders may be despatched within the same day and some may take up to 1 day.

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The order will arrive within 1 business days & will be tracked. Express Shipping is £3.99.


0161 241 6842


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Unit S Highfield Road, Manchester, M38 9ST