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Product is not suitable for use on wooden substrates

Thompsons Water Seal Clear 5Ltr (52043)

5Ltr. Provides superb weather protection for bricks, mortar and concrete. Forms a transparent, waterproof barrier.

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£17.99INC VAT (£3.60/Ltr)
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Rated 4.2 out of 5 by 38 reviewers.
  • 2016-08-28 T10:42:03.071-05:00
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Rated 5 out of 5 by Water proof walls! I used a garden sprayer for applying this. I sprayed the whole of my extension as it was letting damp seep in through the brickwork and staining the internal walls. I used the no nonsense version which is a bit better for the fact that it is a, clear ans b, you can use it on wood. Not that i needed any of those benefits. I asked a friend to pour some water over the bricks and it rolled off like a perfectly waxed car! Amazing stuff! I Will revapply every year, well worth it. 28 Jul 2016
Rated 5 out of 5 by Best for waterproofing Been using this for years and yet again doing the job . Used it on a single skin brick garage wall which was letting in rain when rain was driving against the wall but after two coats with a sheep skin roller stopped problem completely 9 Jul 2016
Rated 4 out of 5 by Easy to apply Very easy to apply, brushes can be cleaned in water, and it seems to work! Throw a bucket of water over the untreated wall, and its absorbed into the brickwork. Same experiment a day after treating the wall, the water just beads and runs off. 5 Jul 2016
Rated 5 out of 5 by JUST THE JOB Always use when replacing a sink or bath to prevent future problems with the floor or walls so you get a chance to mop up before it through the ceiling below ! Generally useful sealant and clearly does the job . 12 Jun 2016
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30 Questions  27 Answers

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23 Aug 2016
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Pontypridd
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20 Aug 2016
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EXETER
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18 Aug 2016
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mansfield
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I have a garage with corrugated sheets and there are some hairline cracks which let water through. Would this product be suitable to stop this problem?
12 Aug 2016
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Keighley
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Answer: 
Thanks for your question, unfortunately Water Seal would not overcome an issue where cracks are allowing water through. You would need to consider the use of a membrane forming product such as
THOMPSONS 10 YEAR ROOF SEAL BLACK 4LTR (73091) to overcome this type of issue.
15 Aug 2016
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9 Aug 2016
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Glastonbury
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Answer: 
Thanks for your question. No Thompson's Water Seal doesn't contain any PVA. It contains silicon based compounds emulsified in water hence its unsuitability for use both prior to and after the application of masonry paints etc.
11 Aug 2016
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  • 2016-08-28 T10:41:33.818-05:00
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Specification
Brand Thompsons
Colour Clear
Manufacturer Guarantee 1 Year Manufacturer's 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)