drainage ventilation

  1. J

    Patio covering air bricks (& drainage issues)

    Hi, We had a patio done over a year ago, but have started noticing some damp and some smells. Upon investigating one possible cause could be that the patio seems to be badly laid and not following standard rules e.g. butting up against external wall too high, no drain for rain water and fall...
    • jonnypron
    • Thread
    • damp damp external wall damp problems dpc drainage drainage ventilation patio
    • Replies: 5
    • Forum: Building
  2. B

    Downstairs toilet

    Hi, I’m trying to figure out how best to go about a little project of installing a downstairs toilet and sink, the drainage is the bit I’m stuck on so any help will be greatly appreciated. I’m planning on putting a toilet and sink in our garage. In picture 1 you can see the existing set up in...
  3. E

    Can AAV be installed for the whole drainage installation?

    Hello, my question is: I'm working in the refurbish of an old building. The existing drainage is not going to be retained, moreover, it was external, but not coming through the roof, was wall mounted. I wouldn't like to do any hole in the roof. Could I use Air Admittance Valves for all the...
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