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Product is not suitable for use on wooden substrates

Thompsons Water Seal Clear 5Ltr (52043)

Provides superb weather protection for bricks, mortar and concrete. Forms a transparent, waterproof barrier.

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£19.99INC VAT (£4.00/Ltr)

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Thompsons Water Seal Clear 5Ltr is rated 4.3 out of 5 by 43.
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Rated 5 out of 5 by from It does wot it says on the tin Always find what i want at SCREWFIX, you cant go wrong service and backup is second to none, staff always knowledgeable and helpful thanks again Regards Spockie
Date published: 2017-03-24
Rated 5 out of 5 by from All weather. Bought this for my garage floor as it was too cold to paint. Will stop anything that seeps through the floor tiles marking it. Also used on the concrete cills to make them easier to clean. Versatile product.
Date published: 2016-12-08
Rated 5 out of 5 by from Excellent Had water coming through the wall, applied the product and it really stopped. Absolutely excellent.
Date published: 2016-12-03
Rated 5 out of 5 by from Good product Although only time will tell how waterproof this leaves the roof and cement that's been applied, it seems to be fine so far. It was easy to apply and the brushes were easily cleaned off afterwards, leaving little or no sign of the product having stuck to the bristles. It's not left a stain on the concrete either, so I am satisfied that this is a recommendable product. I think it's pretty good stuff overall.
Date published: 2016-10-25
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Can this product be use on painted brick walls

Asked by: Simmo1990
Thanks for your question. Unfortunately Thompson's water Seal is not suitable for use on painted surfaces or for use prior to application of masonry paint etc.
Answered by: Thompson's Product Expert
Date published: 2017-03-15

Can I use this product on already damp brickwork

Can't wait till summer for brickwork on my garage to be completely dry can I use it whilst it is slightly damp. If this product cannot be used then can you recommend one that can? Thanks
Asked by: BeardedBadger
Thanks for your question. Ideally the product should be applied to a dry substrate however if it cannot be avoided application to a slightly damp surface is acceptable. Moisture in the wall will inhibit penetration of the Seal but the drier the wall the less of an issue this will be.
Answered by: Thompson's Product Expert
Date published: 2017-03-14

Does Waterseal also have a stabilising/binding effect on dusty/chalky surfaces, similar to a stand alone stabilising solution?

Asked by: Jonno1234567
Thanks for your question. Unfortunately Water Seal does not have any stabilising properties it acts purely as a waterproofing agent.
Answered by: Thompson's Product Expert
Date published: 2017-02-03

Is this product suitable for sealing sandstone

Asked by: SteveG71
Thanks for your question, yes this would be fine for a sandstone wall, we don't recommend it for use on patios or paving etc.
Answered by: Thompson's Product Expert
Date published: 2017-03-25

will this stop a wall getting wet

I have just replaced my wooden decking with a plastic decking, but where the decking meets a garage wall the wall is getting wet. has happened more with the recent frost. Will this help stop the wall getting wet through
Asked by: sogs
Thanks for your question, we could only be certain of the products performance if it can be applied to the whole of the exterior of the wall. Applying the product to a section of the wall may help but may not alleviate the problem entirely. The product will also not act as a substitute for a missing or ineffective DPM.
Answered by: Thompson's Product Expert
Date published: 2017-03-25
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Specification
Brand Thompsons
Colour Clear
Manufacturer Guarantee 1 Year Guarantee
Pack Size 1
Pieces in Pack/Case 1
Product Type Water Seal
Sealant Adhesive Volume 5 Ltr
Total Product Weight 5 kg

Curing time: . Coverage: .

Downloads

Safety Data Sheet (COSHH)