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17th November 2021, 14:28 | #1 |
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Help in deciding concrete sealer
I am really struggling to decide on what concrete sealer to buy, can you help with a recommendation please?
This is the paint i have https://www.screwfix.com/p/leyland-t...rey-5ltr/88106 It went down well but I think the concrete like a lot of this place is carp. The paint is just rubbing off. I am hoping a sealer will sink into the concrete and provide a decent surface that will accept paint. thanks macafee2 |
17th November 2021, 14:42 | #2 |
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I've used exactly the same product on my outdoor area and it's still good after 18 months use, did you wire brush the area first?
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17th November 2021, 15:08 | #3 |
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17th November 2021, 15:46 | #4 | |
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17th November 2021, 16:55 | #5 |
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Paint sealer is most effective if applied whilst concrete is "green"
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17th November 2021, 17:37 | #6 |
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I've used that paint to good effect but applied it on one of the hottest and dryest days in the summer after a long, dry spell. I don't know if it would have been the same over damp concrete. I did leave it a couple of days to cure too.
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17th November 2021, 18:46 | #7 |
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You're right to first suspect the substrate.
Most 'old' slabs need to be physically or chemically scoured and then sealed before painting (and good paint is nearly always two-part chemical reactive). New slabs usually form some sort of calcium/salt surface layer as they dry out/cure and that too needs to be removed/neutralised before any painting. Not sure about how 'dry' it needs to be but if there isn't a damp proof membrane (DPM) then dampness will always migrate to the surface in which case you'll need something special (£££) so speak to the experts. Last edited by rab60bit; 17th November 2021 at 18:49.. |
17th November 2021, 21:19 | #8 | |
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17th November 2021, 22:17 | #9 |
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You could just try sealing it with this and not painting it, or maybe paint it after with the one in your link ?
https://premiumpaints.co.uk/products...BoCLMIQAvD_BwE
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18th November 2021, 08:25 | #10 | |
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