Bostik Concrete Sealer 5L

By Bostik Product code: 90684 Pack size: Each

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Product Details

A quick drying, low VOC water based sealer that seals and stabilises surfaces. Prevents dusting and enables easier cleaning of floors due to its improved resistance to dirt, oil and stains. Suitable for non-structural internal concrete such as garage and utility floors.

Technical Specification
Brand Bostik
Material Concrete
Manufacture ID 30612883
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 6pm
  • 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
  • Pre-12 delivery service is now available. Place your order before 6pm Mon – Fri for next business day delivery by 12pm. Orders placed after 6pm Friday and before 6pm Sunday will be delivered by 12pm Monday. UK mainland
  • 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
  • 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.
Bostik Concrete Sealer 5L is rated 4.9 out of 5 by 16.
Rated 5 out of 5 by from Does what it says on the can Reasonable price, time will tell if it is as good as the more expensive items.
Date published: 2020-07-02
Rated 5 out of 5 by from Great concrete floor sealer. Easy to brush and roller apply. It does go white during application so easy to see where you gave been. Dries clear. Only just had enough to cover my floor so square meterage stayed on tub is tight if you are applying first coat to untreated concrete. Very good product though and would recommend if you can get it!!
Date published: 2020-06-28
Rated 5 out of 5 by from Expensive but Worth it! Great Product for sealing my newly laid workshop concrete floor. Used a long handled roller to apply and it went on and spread like water although its a milky colour. Great coverage rate, only used approx 1.25 Lt of the 5 Lt tub to cover approx 12 sq mtr. Painted over the next day with concrete floor paint with great results.
Date published: 2020-06-23
Rated 5 out of 5 by from No more dust Brushed and then vacuumed my very dusty garage floor before rolling concrete sealer on. Very slight darkening in colour but the dust has gone away like magic. Appears to put a very thin rubber membrane over the floor. Dried in about 30 minutes (Summer application).
Date published: 2020-06-22
Rated 4 out of 5 by from Seems to be a quality product Goes on nice and easy and coverage is excellent. I used a roller and paintbrush to apply it to concrete flooring in a 6m X 6m double garage and one bottle did over half the area (and it wasn't applied sparingly!). Dries quickly and leaves a slight sheen that makes it easy to spot any bare patches for touch up later. Strangely, despite the floor being quite rough in places, a medium pile roller did a better job than the long pile I used for the second half, which left a few bare patches (not sure why this would be). Easily had enough left to reapply, so we'll see what happens. Poured some water on after a day just to check and it beaded off nicely, so seems to do the job. Also, doesn't seem to have an unpleasant or overpowering odour like a solvent based sealant would. Not sure why anyone has had trouble cleaning up afterwards as washing up liquid and warm water seen to clean everything off easily.
Date published: 2020-06-13
Rated 5 out of 5 by from Fantastic Product Was exactly what I needed to seal my garage floor and prevent it from constantly releasing dust. Product has roughly the consistency of milk and was easy to apply with a long handled roller. 5 litres was enough to give my double garage floor a single coat which has done the job admirably.
Date published: 2020-06-13
Rated 5 out of 5 by from Great coverage 4 litres covered the floor of my garage 6mx3.6m and I was being generous with the product. I used a paint roller and was easy to apply. But use a disposable one. The washing afterwards was a pain compared to paint. Will buy again to do the floor of the similar sized car port.
Date published: 2020-06-10
Rated 5 out of 5 by from Great stuff. Easy to apply, good price, good coverage, does the job.
Date published: 2020-06-09
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