Water-repellent paint - exterior

Sep 24, 2007 3 Replies

I'm pretty sure I've got penetrating damp (happens only when there's heavy rain) and my DIY book says I should use water-repellent paint all over the exterior wall to cure the problem.



I've looked on the 'net and found this:



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£80/25litres or £3/litre



However, I visited B & Q and found Thomson's water proof paint at £8/5 litre or £2.50/litre.



Is any of this stuff any good?



How long does it last?



Is there any special recommendation?


Another Dave


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> i.e. £80/25litres or £3/litre

A simple comparison between the information provided on the supplied link and that at

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with the linked pdf's may assist you in this area.

Peter K

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I've had excellent results with this

think carefully before painting anything on to it.

yes quite. Penetrating damp patches suggests a non-cavity wall, which suggests a historic property. Rain repellant paints really arent the best solution. Ask people with the subject knowledge:

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