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lapvent - anyone ever use for venting a fan through roof

  • 14-11-2018 4:07pm
    #1
    jmBuildExt
    Registered Users, Registered Users 2 Posts: 692 ✭✭✭


    Hi,
    I've to ventilate an upstairs bathroom of a house I rent out.
    Wall fully tiled, so don't want to go out through the wall - so ive decided to put in a fan and vent out the roof.

    Came across these www.lapvent.co.uk on amazon.
    Instead of replacnig the roof tile with a vent tile, you slide this product over the overlap in the roof membrane (old bitumin type in my case) from the attic side.
    Then the tube from the fan attaches to this as normal.

    When its fitted it is not visible from the outside - and emits the air through the slates it would seem.

    Given I'm doing it myself and I'm not a roofer, it would make the job much handier for me - but i cant help thinking it will be potentially emitting onto the roof battens. Also if the overlap in the membrane is particularly long, it will be somewhat blocked and you've no real way of knowing.

    Thoughts?


Comments

  • #2
    gctest50
    Registered Users, Registered Users 2 Posts: 9,605 ✭✭✭gctest50


    jmBuildExt wrote: »


    Wall fully tiled, so don't want to go out through the wall -


    Just remove one tile and drill a 4 inch hole ?


  • #3
    gctest50
    Registered Users, Registered Users 2 Posts: 9,605 ✭✭✭gctest50


    for people looking at this thread in the future




  • #4
    jmBuildExt
    Registered Users, Registered Users 2 Posts: 692 ✭✭✭jmBuildExt


    Thanks - I'm already doing that in the other rooms in the house.

    As said, I'm not removing wall tiles in bathroom though - they're 600x200 - specifically looking to know about lapvents


  • #5
    listermint
    Registered Users, Registered Users 2 Posts: 34,141 ✭✭✭✭listermint


    gctest50 wrote: »
    for people looking at this thread in the future



    This is zero crack though. Id hate to do this for a living.

    I drilled 16 of these in my house with a proper bells and whistles core drill (not a basic SDS)

    Crack was no fun . hated every second of it.


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