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Kitchen extract through flat roof

Discussion in 'Roofing and Guttering' started by askman, 19 Mar 2020.

  1. askman

    askman

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    Does anyone have a suggestion for a product to use to go through a flat roof for a kitchen extract fan? It is a traditional felt roof.
     
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  3. noseall

    noseall

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    A short piece of plastic (110mm) drain pipe, a vertical lead multi slate and a mushroom cowl glued on top. You will need to support the pipe with some ceiling timber cradling until the flat roof material has got hold of everything.

    Not sure what you'll do if its a 125mm duct though...?
     
    Last edited: 22 Mar 2020
  4. Aunsh

    Aunsh

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    You could search for a flat roof extraction vent, which will probably take you to a supplier of Ubbink or Klober vents in a variety of pipe diameters. I have fitted a couple of 100mm Klober units in the past.
     
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