Best Way to Seal a Fan Vent

Discussion in 'Plumbing and Central Heating' started by slangivar, 14 Oct 2017.

  1. slangivar

    slangivar

    Joined:
    1 Jul 2009
    Messages:
    51
    Thanks Received:
    1
    Location:
    Edinburgh
    Country:
    United Kingdom
    This picture shows the fan vent coming through my bathroom ceiling and heading up through the roof:

    [​IMG]

    Where that initial white flexible pipe goes into the black pipe there is no sealing which I assume is far from ideal. It means that some of the bathroom ventilation ends up in the loft. I could simply wrap some tape round the join but I assume there must be a better way to join the pipes and wonder what it is.

    How would you go about sealing this joint?
     
  2. Sponsored Links
  3. Have you considered removing the black flexi pipe and try to extend the white concertina pipe up to the straight black pipe adjacent to the yellow label ? If it fits then secure it with a large cable tie or duct tape.
     
  4. slangivar

    slangivar

    Joined:
    1 Jul 2009
    Messages:
    51
    Thanks Received:
    1
    Location:
    Edinburgh
    Country:
    United Kingdom
    Thanks. That's not a bad option although the concertina pipe is the same diameter as the top pipe but I think I can make it fit. Unfortunately it's too short. Before I buy a longer length I thought I would check the other 2 fans in the loft. One of them is fine and the joint is nicely taped while the other one simply has the black pipe sitting over the fan outlet with nothing sealing it. How airtight should a fan duct be? Should I redo this one at the same time?
     
  5. DIYnot Local

    DIYnot Local

    Joined:
    3 Sep 2019
    Country:
    United Kingdom

    If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.

    Select the supplier or trade you require, enter your location to begin your search.


    Are you a trade or supplier? You can create your listing free at DIYnot Local

     
Loading...

Share This Page