building on existing patio
All manner of questions and solutions to problems and issues surrounding the subject of brickwork, blockwork and stonework

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60minuteman
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building on existing patio

by 60minuteman » Fri Sep 07, 2007 4:25 pm

I have a block patio and it slops quite badly 5m x 6m. I wish to build a deck and an L shaped seating area out of blocks which will then be rendered and painted. Should I dig the patio up first and dig foundation trenches? or should i level it out and use it as the foundations?

loomo
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by loomo » Sun Sep 09, 2007 7:56 am

yeah dig it up and put a foundation in. just dig it down till you get to a stable footing and obviously making it wide enough for the blockwork. leave a bit of scarcement either side,ie, if it's nine inch block then have four inch of concrete remaining either side.

thedoctor
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Joined: Sat Apr 08, 2006 1:15 pm

by thedoctor » Sun Sep 09, 2007 11:10 am

See our project on foundations to get the principle here. The job will only be as good as its foundation.

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