Damp advice


Postby Jesse » Wed Oct 29, 2008 1:13 pm

We live in a 30s terraced house. The second floor outer wall is covered in pebbledash. Water has seeped through the wall at around 1m high, spoiling the wall paper and the plaster is crumbly. The guttering is fine. The pebbledash has not been painted for at least 4 years. Can anyone please advise on the best way of solving this problem at relatively low cost. A neighbour had a waterseal pebbledash style coating applied at a cost of £4000 and it hasn't worked for her. I don't want to make a similiar mistake!

Thanks
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Postby id99999uk » Tue Nov 11, 2008 1:58 pm

[quote="Jesse"]We live in a 30s terraced house. The second floor outer wall is covered in pebbledash. Water has seeped through the wall at around 1m high, spoiling the wall paper and the plaster is crumbly. The guttering is fine. The pebbledash has not been painted for at least 4 years. Can anyone please advise on the best way of solving this problem at relatively low cost. A neighbour had a waterseal pebbledash style coating applied at a cost of £4000 and it hasn't worked for her. I don't want to make a similiar mistake!


A thorough check of how the water is penetrating the property is required, if it a localised area is there signs of localised water to outside of property, it could be a cold patch from causing condensation , as it on the 1st floor it cannot be rising damp
Is the neighbours property still showing signs of water ingrss or is the damage caused by the brickwork drying out ... just some thoughts
Regards
paul
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Postby mdpmspitfire » Fri Nov 28, 2008 8:01 pm

hi , a couple of things
firstly , if your house has a dpc, prob slate if at all, the external render dash if to the ground may be bridging it and damp will rise and show internally. if so you will need to cut away dash from above the dpc and to the ground (150mm min). bitumise the then exposed brickwork to prevent rain splash or use silicon fluid. can take a year to dry internally by the way.

if rain is penetrating pebbledash then stabilise ext surface if needed and apply 2/3 coats of masonry paint. this waterproofs well. crown stronghold is good
mark
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Postby TheDoctor5 » Fri Jan 30, 2009 9:44 am

If you type the key words of your question into our search box to the left of the site you may find the answer is already posted or is in the DIY projects section of the website. Every post goes through a monitoring process and using the search box may speed up your answer.
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