Rising damp on a concrete shed base - looking for a cheap way to sort it


Postby br2004ad » Thu Aug 25, 2011 4:19 pm

hi
my brother and i done a concrete base for my shed which as got got rising damp..i,ve tested with plastic/tape on the floor plus other stuff in there was damp..my wooden sheds on a row of breeze blocks and floors not smooth so needed some help how to sort the damp out..been lookin on net and come across this Google "wickes.co.uk/liquid-damp-proof-membrane/invt/241217/" just lookin for the cheap way to sort it,if only temp for this year..so would i beable to use this then smooth floor off and use liquid damp proof again...?
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Postby welsh brickie » Fri Aug 26, 2011 1:15 pm

to level the floor,Mix a pva solution 50/50 and pour it on and brush it in,when the pva is tacky mix a self level compound and spread it on the floor.
The pva is a waterproof bonding sealant so it should do the job.
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Postby br2004ad » Fri Aug 26, 2011 9:55 pm

the floor from top to bottom is about 2 inches out.pritty bad job..did put pva on it a while ago but think it was 80/20.water/pva
br2004ad
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Postby james11 » Wed Sep 07, 2011 6:59 am

welsh brickie wrote:to level the floor,Mix a pva solution 50/50 and pour it on and brush it in,when the pva is tacky mix a self level compound and spread it on the floor.
The pva is a waterproof bonding sealant so it should do the job.



What's this pva solution???
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Joined: Fri Sep 02, 2011 11:38 am


Postby welsh brickie » Thu Sep 08, 2011 12:55 pm

seeing as its nearly 2"out of level you can lay a polythene membrane down and then lay a 50-75mm screed on top
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