Bostik Cementone Water Seal 5L

By Bostik Product code: 99144 Pack size: Each

£14.41 Exc. VAT £12.01 Price per unit £2.88/L

Product Details

• High performance waterproofer
• Increases life of brick, stone, render and terracotta
• Helps prevent condensation and frost damage
• Exterior use only

Bostik Cementone Water Seal is a high performance, clear waterproofer for masonry and wood. Forms a water resistant barrier on porous exterior surfaces, increasing their life by protecting against rain, damp & frost damage. Suitable for concrete, brick, stone, slate, terracotta and render, and wood.

Technical Specification
Brand Bostik
Colour by dominance Clear
Manufacturer ID 30812236
Safety Data Sheet click here
Volume (L) 5
Delivery details

DELIVERY OPTIONS (UK mainland only)

Next Day Delivery – £5.00 or FREE for orders over £25

  • Order before 9pm Monday to Thursday for next business day delivery
  • Order Friday to Sunday before 6pm for Monday delivery
  • Orders placed after Sunday at 6pm will be delivered the following Tuesday
Pre-12pm Delivery – £10.00 or £5.00 for orders over £25, to arrive before 12pm on the scheduled days above

Saturday Delivery – £10.00 or £5.00 for orders over £25 & FREE for orders over £75 (order by 6pm Friday)

Sunday delivery – £10.00 or £5.00 for orders over £25 & FREE for orders over £75 (order by 4pm Saturday)

Times may vary for items being delivered directly from the supplier. For more information, please visit our delivery information page Items over 30kg can only be delivered next Business Day Mon-Fri. Orders placed after 9pm Thursday will be delivered the following Monday
More about Delivery & Returns
Click & Collect details

Collection Details

We are fully open and delighted to welcome our customers into our branches. Our opening times are 7am-8pm Monday-Friday, 7am-7pm Saturday and 9-4pm Sunday

We advise that you check your local branch is open on the branch locator page, before you visit.

Once you have placed your order online, we’ll have it ready for you at the branch you have selected in as little as 5 minutes. We will hold your order for 14 days, after which we will automatically generate a refund to the payment type you used to place the order.

Please wait for your text or email before coming to collect it and be aware that we will still have health & safety measures in place, so we ask that you observe the branch guidelines.

Don’t forget your mobile number – Please ensure that your mobile number is added so that we can text you when your order is ready to collect.

Bostik Cementone Water Seal 5L is rated 4.7 out of 5 by 156.
Rated 2 out of 5 by from WaterSeak I can't give a review on a water sealant products effectiveness 2 weeks after purchase.
Date published: 2021-09-15
Rated 5 out of 5 by from Fab water seal Used this before. Covers easily and drys quickly. I used on raw brick n painted bricks. Fantastic results really beads water off. Great value.
Date published: 2021-09-11
Rated 5 out of 5 by from Another great product from Bostik This Water Seal is not only a great product but at a very good price when compared to a lot of products out there. Cannot comment on them as I have never used them, but this one is very good. Care should be taken when pouring into a paint kettle as this is like water and can easily be spilt. I used a 5" Masonry brush to apply which goes on very easy no effort at all, but do not get on a path or windows so use some sort of covering when using it. One point not mentioned on the website if ordering online, that is what coverage should a can give you. On the can it does say 2sqm - 4sqm depending on how puros your walls are. I did get a lot better coverage than stated as the walls I was doing were not too puros. Worth every penny though, leave to dry for 24 hours and put a hose pipe on it the results are amazing
Date published: 2021-09-11
Rated 5 out of 5 by from Good price, easy to apply no staining Really good price easy to apply and did not stain brickwork, just waiting for the storms to see the performance
Date published: 2021-09-08
Rated 4 out of 5 by from Water seal Its does what it says on the tin
Date published: 2021-09-06
Rated 5 out of 5 by from exceeds expectations cleaned the Indian stone flags, left to dry, and then applied the bostik waterproofer, it says use above ground level but I suppose they are above ground level technically. Anyway been on for 2 weeks and repels water lovely, without it sinking into the patio, still got half left so will do again next year.
Date published: 2021-09-05
Rated 5 out of 5 by from Easy to apply Easy to apply, soaks into bricks like water and dries clear without affecting the colouration of the brick. Only time will tell how effective it is over the longer term but I'm optimistic it will last. Strong smell for a day or so after application.
Date published: 2021-08-31
Rated 5 out of 5 by from Waterseal Easy to apply and seems to work so far but it has a really strong solvent smell that lingers. However as I was told manu year's ago if it doesn't smell it doesn't work.
Date published: 2021-08-31
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