yorky15 Posted December 2, 2015 Share Posted December 2, 2015 What is the best method to stop rainwater soaking into the stonework of a house? I know that there are several clear solvents in DIY stores to stop the ingress of water in these cases, but do they work efficiently and are there any drawbacks in applying them? Link to comment Share on other sites More sharing options...
aliceBB Posted December 2, 2015 Share Posted December 2, 2015 Some kinds of stone are porous and will allow water to soak in. It only really matters if there is no cavity in the wall and the water ends up inside the building. There are clear silicone treatments which some builders claim are effective barriers against water ingress, but you have to allow the wall to dry out first before applying - so at the end of a hot summer, ideally. It's not cheap, either - allow several £k. I do not know of any DIY treatment which works. Link to comment Share on other sites More sharing options...
Fogey Posted December 2, 2015 Share Posted December 2, 2015 Is it actually soaking through the stone or finding its way through the mortar joints? Beware of sealing things like stonework as you may trap moisture in the stone( coming from inside your house) which could degrade the stonework. If you're considering this get a pro like a chartered surveyor or chartered architect. Link to comment Share on other sites More sharing options...
yorky15 Posted December 2, 2015 Author Share Posted December 2, 2015 Thank you both for your comments. It is so easy to make a knee-jerk reaction and try to solve problems whilst being naïve of the consequences. I think I will seek some expert advice as suggested. cheers Link to comment Share on other sites More sharing options...
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