Bostik Concentrated Mortar & Brick Cleaner 5L

By Bostik Product code: 98902 Pack size: Each

Please note: We are unable to sell or deliver this item to anyone under the age of 18. An age verification process is in place to check all orders. Physical proof of age may be required before dispatch, as well as at point of delivery.
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Product Details

Hydrochloric acid-based cleaner for trade use only. Removes heavy cement and mortar stains from brick, concrete, paving, scaffolding and tools. For exterior use.


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
Age restricted (18)
Manufacture ID 30812503
Safety Data Sheet click here
Volume (L) 5
Delivery details

Covid-19 Update

  • Free Next Business Day delivery for orders over £25 to home and site is available for orders placed before 5pm
  • Saturday and Sunday delivery is now available for orders placed before 4pm on Friday for Saturday delivery and 4pm Saturday for Sunday delivery, see here for details
  • We have temporarily suspended our Pre-12 delivery service
  • Once your order has been dispatched you will receive an invoice email with the courier details and your tracking number
  • Alternatively go to MyAccount, click on your Order History, click on the TRACK icon to link through to the carrier website and the tracking details for your delivery
  • If your order contains more than one item it may be split into two deliveries as we manage volume across our network
  • Due to carrier constraints it is not currently possible to deliver age restricted items. Please use our Click & Collect service for these products
  • Delivery direct from suppliers is now available and specific delivery times will be displayed on the product page
Order Value: Under £25 Over £25 but less than £75 £75 & Over
Next Business Day Delivery (Mon-Fri) usually before 6pm £5 Free Free
Pre-12 Delivery before 12 noon Next Business Day £10 £5 £5
Remote areas standard delivery (2-4 days) £5 Free Free
Saturday Delivery order by 4pm Friday £10 £5 Free
Sunday Delivery order by 4pm Saturday £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

Covid 19 Update

Click & Collect

  • Branches are now fully open and operating safely in line with government guidelines
  • Safe contactless collection is available 7 days a week at our branches
  • Our branches are open 7am-8pm Monday-Friday, 7am-7pm Saturday and 9-4pm Sunday
  • Keeping our colleagues and customers safe and well and respecting stringent social distancing requirements is our number one priority – 2 metre rule enforced
  • Our available product range will not require more than 1 person to lift
  • Please see our guide to click and collect below

  • Please ensure that your mobile number is added so that we can text you when your order is ready to collect

Call & Collect

Due to current trading conditions we have suspended our Call & Collect service until further notice.

If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 5 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 7pm Mon-Fri (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.
Reviews
Bostik Concentrated Mortar & Brick Cleaner 5L is rated 4.6 out of 5 by 92.
Rated 4 out of 5 by from Good product Actually does what it claims to do!
Date published: 2020-08-07
Rated 3 out of 5 by from Not as good as expected Bought this cleaner to remove 'over spill' cement from slabs. Result was disappointing. It is a very mild cleaner not a cement remover.
Date published: 2020-07-21
Rated 5 out of 5 by from Works Great Had a pretty shabby looking garden wall to clean up, this is extreme stuff but did a great job, use with care and take the recommended precautions.
Date published: 2020-07-21
Rated 5 out of 5 by from Excellent product After completing a brickwork project, the brick faces were marked with dried mortar. This product disolved the unwanted mess, leaving the brickwork looking great. I used the solution neat, after testing on a spare brick first, to check for adverse reaction to the acid.
Date published: 2020-07-20
Rated 5 out of 5 by from Very good stuff. Make sure you use PPE Great stuff. Used it to clean week old cement from a new wall as it started raining while i was laying the bricks. best method i found was to wet the bricks with a hose pipe and brush on the liquid neat. Wait 2 minutes and then scrub like mad. Jet washed off and they cam out really well. Just make sure to clean with plenty of water at the end.
Date published: 2020-07-17
Rated 5 out of 5 by from Effective brick mortar cleaner I was a bit nervous after seeing other reviews as being mixed. After using would definitely recommend. Very easy to use and results are instant as it fizzes away any excess mortar. I diluted as per instructions 1:4 but in more aggressive application would use 1:2
Date published: 2020-07-17
Rated 5 out of 5 by from Very Useful Cleaner I have never used this type of product before but it has made the cleaning of a forty year ol barrow very easy .I will now use it on many other applications .ie small pivot wall and some other brickwork that has cement that needs removing. Excellent value for the money
Date published: 2020-07-16
Rated 1 out of 5 by from Weak as water This was really disappointing. It didn't froth or fizz on contact with the mortar at all and really didn't remove it. I have tried scrubbing it twice and the bricks still look the same. A chemist friend cautiously inspected the contents and found few of the signs that we had been warned about as an acid-based product. It might have been water in there for all the help it was.
Date published: 2020-07-15
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