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Product Details

Hydrochloric acid based cleaner for exterior use. Removes stubborn stains from brick, concrete, paving and patios, scaffolding and tools.

Hydrochloric acid based cleaner for exterior use. Removes stubborn stains, limescale, ingrained dirt, heavy cement and mortar stains from brick, concrete, paving and patios, scaffolding and tools.
Apply by brush. Use protective goggles, gloves and clothing to cover face, eyes and skin. For exterior use only.
Dilute as stated and test on a small concealed area before proceeding to clean the whole area.

Technical Specification
Brand Bostik
Unavailable offshore
Manufacture ID 30812503
Safety Data Sheet click here
Volume (L) 5
Delivery details
Order value: Under £10 £10 & over
Express usually Next Business Day before 6pm £5 Free
Turbo usually Next Business Day before 12 noon £10 £5
Remote areas standard delivery (2-4 days) £5 Free
Order Value: Under £25 Over £25 but less than £75 £75 & Over
£10 £5 Free

Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details
If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 10 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 8pm Mon-Sat (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Bostik Cementone Concentrated Mortar & Brick Cleaner 5L is rated 4.7 out of 5 by 23.
Rated 4 out of 5 by from Good farts from the lizard company Its cleaned up the bricks really nicely. It lost a star because it smelt of farts.
Date published: 2019-07-10
Rated 5 out of 5 by from Great cleaner I bought this because some idiot decided to paint Graffiti on my Brick Wall. Cleaned most of it off and cleaned the Brick at the same time.. Brilliant..
Date published: 2019-07-07
Rated 5 out of 5 by from Brilliant for heavily soiled block paving I wanted something to clean red brick block paving which was covered in years of grime, algae and lichen. I was apprehensive about using such strong acid as this product, but the recommended dilution strength really softened the grime layer so that a rotary brush pressure washer had a much easier job removing it. I still needed a wire brush on some persistent lichen and black spot mould spots but overall I was very pleased. I reckon I could have used a slightly stronger solution for the more heavily soiled areas, but be aware that when the solution comes into contact with cleaner bricks, it really effervesces and dissolves the top layer. It gives of a very acerbic odour, so wear a good face mask and glasses.
Date published: 2019-07-05
Rated 5 out of 5 by from Powerful This is concentrated stuff, NOT ready for usr. It is extremely strong. If you have had no success with othet products, try this!
Date published: 2019-06-27
Rated 5 out of 5 by from super duper clean! superb, works very well! effortless and easy to use, follow instructions tho’! half the price of other suppliers!
Date published: 2019-06-09
Rated 5 out of 5 by from very very good great product easy to use and did perfect job
Date published: 2019-06-05
Rated 5 out of 5 by from Good gear Did a great job on my patio
Date published: 2019-05-27
Rated 4 out of 5 by from Good cleaner I used this neat on masonry paint spills n cleaning my yard it worked slowly with a pressure washer but loosened it enough to clean it!!!
Date published: 2019-05-22
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