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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 2pm
  • Saturday and Sunday delivery is now available for orders placed before 2pm on Friday for Saturday delivery and 2pm 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 2pm Friday £10 £5 Free
Sunday Delivery order by 2pm 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

  • Safe contactless collection is available 7 days a week at our branches
  • Our branches are open 8am-5pm Mon-Sat and 9am-4pm Sun
  • 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 4.7 out of 5 by 65.
Rated 5 out of 5 by from It Works Purchased to remove stains in brickwork, lead flashing and patio, worked perfectly removed years of annoying marks. Make sure you rinse with water after about 5 minutes
Date published: 2020-05-26
Rated 5 out of 5 by from Good results Excellent product strong stuff and does exactly as advertised I used to clean up old debris grout cement an screening off old floor tiles, almost good as new now would definitely recommend and cheaper than the internet
Date published: 2020-05-26
Rated 5 out of 5 by from Bostik brick and mortar cleaner Worked really well cleaned the lime scale without much effort tried other makes not worked as good.
Date published: 2020-05-25
Rated 5 out of 5 by from Great Used it as weed killer. Diluted it with water and sprayed it on weeds that had grown between patio slabs.Had to spray twice thrice over 3 days to kill the weeds from roots.
Date published: 2020-05-22
Rated 4 out of 5 by from Good stuff Does what it says on the tub. used a stronger mix than recommended without any problems, but as long as PPE is used, no issues. reasonably priced would recommend, however you'll also need to scrub lightly with a wire brush and wash down with hose. Very happy with the results
Date published: 2020-05-21
Rated 5 out of 5 by from Brilliant stuff Bought this a few times the best for cleaning slabs and monoblock great for oilstains too
Date published: 2020-05-20
Rated 5 out of 5 by from Great product Made easy work of cleaning old paving flags
Date published: 2020-05-19
Rated 5 out of 5 by from Covid click and collect Perfect for job in hand and great price
Date published: 2020-05-16
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