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Extractor fan venting into attic.

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Comments

  • #32
    listermint
    Registered Users Posts: 33,570 ✭✭✭✭listermint


    sonny liston wrote: »
    Having listened to the feedback here; and after looking at plans of the apartments, and found 100mm extraction fan vents on the side of building, I'm now pretty sure the 40mm pipe in the attic is a soil pipe.
    Sorry for the confusion, I was not even aware of soil pipe vents and assumed it was extractor vent.

    Is a soil pipe venting into the attic space against building regulations, or just lazy/bad practise?

    It's against regs. It should be out through the roof. It's meant to vent external to the building and above the top of the block line.


  • #33
    sonny liston
    Registered Users Posts: 55 ✭✭sonny liston


    Ok thanks.
    Do you know if it would have been against regulations in 2007 when built?
    Is there any authority to complain to, force the builder to correct it?


  • #34
    listermint
    Registered Users Posts: 33,570 ✭✭✭✭listermint


    sonny liston wrote: »
    Ok thanks.
    Do you know if it would have been against regulations in 2007 when built?
    Is there any authority to complain to, force the builder to correct it?

    2007! , go back a long long time for this pre 97 I'd say.

    No idea. Who you can complain to tbh. Probably on your management company to fight this battle.


  • #35
    dathi
    Registered Users Posts: 1,383 ✭✭✭dathi


    sonny liston wrote: »
    Ok thanks.
    Do you know if it would have been against regulations in 2007 when built?
    Is there any authority to complain to, force the builder to correct it?

    1.2.2.12 If the values in Diagram 3 are
    exceeded, the branch pipe should be
    ventilated by a branch ventilating pipe to
    external air, to a discharge stack (modified
    single stack system), to a ventilating stack
    (ventilated system) or internally by an air
    admittance valve complying with I.S. EN
    12380: 2002 air admittance valves for
    drainage systems - Requirements, test
    methods and evaluation of conformity.

    taken from part H building regulations TGDs


  • #36
    iwillhtfu
    Registered Users Posts: 6,367 ✭✭✭iwillhtfu


    Looking into this a bit more after noticing a soil pipe vent on the gable wall of my own house. Is this pipe an air admittance inlet and not actually a vent at all? apparently these aid the draining of the system for flushing etc.


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  • #37
    listermint
    Registered Users Posts: 33,570 ✭✭✭✭listermint


    iwillhtfu wrote: »
    Looking into this a bit more after noticing a soil pipe vent on the gable wall of my own house. Is this pipe an air admittance inlet and not actually a vent at all? apparently these aid the draining of the system for flushing etc.

    from description that is your vent system for the soil stack. I suppose you could say they aid draining due to air pressure, but thats not their primary purpose.


  • #38
    iwillhtfu
    Registered Users Posts: 6,367 ✭✭✭iwillhtfu


    listermint wrote: »
    from description that is your vent system for the soil stack. I suppose you could say they aid draining due to air pressure, but thats not their primary purpose.

    I'm just thinking when you pour water from a barrel if you pierce the end of the barrel when pouring it'll poor out easier so makes sense there would be an air inlet at the highest point.


  • #39
    listermint
    Registered Users Posts: 33,570 ✭✭✭✭listermint


    iwillhtfu wrote: »
    I'm just thinking when you pour water from a barrel if you pierce the end of the barrel when pouring it'll poor out easier so makes sense there would be an air inlet at the highest point.

    no i got it, and technically its correct. But consider the system isnt necessarily pressurised and all your neighbours systems are vented if that makes sense.


  • #40
    GreeBo
    Registered Users Posts: 27,003 ✭✭✭✭GreeBo


    iwillhtfu wrote: »
    Looking into this a bit more after noticing a soil pipe vent on the gable wall of my own house. Is this pipe an air admittance inlet and not actually a vent at all? apparently these aid the draining of the system for flushing etc.

    You have been behind water to aid draining and to prevent siphoning the water from all your other traps.
    It also stops gas build up.


  • #41
    iwillhtfu
    Registered Users Posts: 6,367 ✭✭✭iwillhtfu


    listermint wrote: »
    no i got it, and technically its correct. But consider the system isnt necessarily pressurised and all your neighbours systems are vented if that makes sense.

    It's not actually mine I'm just spit balling ideas :D


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  • #42
    SteelyDanJalapeno
    Registered Users Posts: 14,234 ✭✭✭✭SteelyDanJalapeno


    I did this very job today in my own house, birds had gotten in and damaged our Flexi pipe before we bought it.
    It's a veyr simple job with the right access, get a few metres of the flexipipe below and run it from the extractor fan to an exterior wall or roof vent.

    https://www.screwfix.ie/p/manrose-pvc-flexible-ducting-hose-white-3m-x-100mm/18232


  • #43
    kravmaga
    Registered Users Posts: 1,945 ✭✭✭kravmaga


    MicktheMan wrote: »
    I doubt the extractor fan is very good in the apartment below.

    Its probably a cheap Manrose extractor fan which was put into most apartments built in 2005/2006.

    Most developers back then put in the cheapest of materials and charged skyrocket prices for apartments in the celtic tiger boom in the early to mid 2000's.


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