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    Fadiibrahim's Avatar
    Fadiibrahim Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Aug 1, 2013, 06:32 AM
    Concrete roof slab is getting black mould!!
    Hi I have a garage with a concrete roof which is also my patio . It is tiled and has a sandbed below the tiles I think 30 to 40 mm thick . Every time it rains my driveway is wet up to a week after the rain water seeps out from the front edge of the slab and in the corner black mould keeps appearing? I have to change the gyprock every 6 month in the corner . I have injected that area and it still comes back I have sealed the tiles on top of the slab but still it gets black mould and leaks fron the front edge! Please can someone help me?
    N0help4u's Avatar
    N0help4u Posts: 19,823, Reputation: 2035
    Uber Member
    		  
    #2

    Aug 1, 2013, 06:51 AM
    Would putting something to divert the water from rolling down around it work? They say the best thing for cleaning black mold is vinegar.
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