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Shape of condensation

  • 04-09-2019 10:08am
    #1
    moldy_sea
    Registered Users Posts: 162 ✭✭


    Why does condensation take this shape?


Comments

  • #2
    moldy_sea
    Registered Users Posts: 162 ✭✭moldy_sea


    moldy_sea wrote: »
    Why does condensation take this shape?

    Picture attached


  • #3
    Calahonda52
    Registered Users, Registered Users 2 Posts: 12,595 ✭✭✭✭Calahonda52


    some form of thermal bridging leading to the edge of the glass being colder than the middle.
    DG or TG?

    “I can’t pay my staff or mortgage with instagram likes”.



  • #4
    moldy_sea
    Registered Users Posts: 162 ✭✭moldy_sea


    Calahonda52 wrote: »
    some form of thermal bridging leading to the edge of the glass being colder than the middle.
    DG or TG?

    DG, brand new, -snip-


  • #5
    Calahonda52
    Registered Users, Registered Users 2 Posts: 12,595 ✭✭✭✭Calahonda52


    moldy_sea wrote: »
    DG, brand new, centre parcs lodge.

    So it looks like the spacer between the panes is conducting the cold.
    Is it all the way around all the windows?
    may need to reduce the water vapour load in the rooms

    “I can’t pay my staff or mortgage with instagram likes”.



  • #6
    jmBuildExt
    Registered Users, Registered Users 2 Posts: 692 ✭✭✭jmBuildExt


    moldy_sea wrote: »
    DG, brand new, -snip-.

    Head around to the outdoor stream - I believe its lovely and warm there :)


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  • #7
    moldy_sea
    Registered Users Posts: 162 ✭✭moldy_sea


    Calahonda52 wrote: »
    So it looks like the spacer between the panes is conducting the cold.
    Is it all the way around all the windows?
    may need to reduce the water vapour load in the rooms

    Broadest in corner then bottom, thins as it goes up left and right hand sides. Would spacer be visible? Only ventilation is trickle vent on window itself.


  • #8
    jmBuildExt
    Registered Users, Registered Users 2 Posts: 692 ✭✭✭jmBuildExt


    You sure there's no mechanical ventilation anywhere else? i.e. the vent wont necessarily be on an outside wall...


  • #9
    moldy_sea
    Registered Users Posts: 162 ✭✭moldy_sea


    jmBuildExt wrote: »
    You sure there's no mechanical ventilation anywhere else? i.e. the vent wont necessarily be on an outside wall...

    Fairly sure, it's either hidden or combined with fire/smoke alarm (doubtful)


  • #10
    Calahonda52
    Registered Users, Registered Users 2 Posts: 12,595 ✭✭✭✭Calahonda52


    moldy_sea wrote: »
    Broadest in corner then bottom, thins as it goes up left and right hand sides. Would spacer be visible? Only ventilation is trickle vent on window itself.

    Makes sense as the warmer air higher up can hold more moisture..
    That format is not unusual

    I asked about all windows?
    .
    .
    What follows is for the experts here:
    is it possible that the trickle vent is allowing cold air into the space around the glazed unit.
    Probably not

    “I can’t pay my staff or mortgage with instagram likes”.



  • #11
    moldy_sea
    Registered Users Posts: 162 ✭✭moldy_sea


    Calahonda52 wrote: »
    Makes sense as the warmer air higher up can hold more moisture..
    That format is not unusual

    I asked about all windows?
    .
    .
    What follows is for the experts here:
    is it possible that the trickle vent is allowing cold air into the space around the glazed unit.
    Probably not

    Apologies, misread, I'll check tomorrow morning.


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  • #12
    BryanF
    Moderators, Home & Garden Moderators Posts: 10,143 Mod ✭✭✭✭BryanF


    Calahonda52 wrote: »
    I asked about all windows?
    thats the question. 1 in 100 windows?
    New big build, probably a lot of windows, probably just a bang in transport/ install,


  • #13
    moldy_sea
    Registered Users Posts: 162 ✭✭moldy_sea


    BryanF wrote: »
    thats the question. 1 in 100 windows?
    New big build, probably a lot of windows, probably just a bang in transport/ install,

    Happens on all bedroom windows in my home. Hence the interest. Nothing this morning, will check again tomorrow.


  • #14
    Calahonda52
    Registered Users, Registered Users 2 Posts: 12,595 ✭✭✭✭Calahonda52


    BryanF wrote: »
    thats the question. 1 in 100 windows?
    New big build, probably a lot of windows, probably just a bang in transport/ install,
    all the ones in his house, not the site :D

    “I can’t pay my staff or mortgage with instagram likes”.



  • #15
    BryanF
    Moderators, Home & Garden Moderators Posts: 10,143 Mod ✭✭✭✭BryanF


    moldy_sea wrote: »
    Happens on all bedroom windows in my home. Hence the interest. Nothing this morning, will check again tomorrow.

    Is this a new house you built? What is the window supplier saying?


  • #16
    moldy_sea
    Registered Users Posts: 162 ✭✭moldy_sea


    BryanF wrote: »
    Is this a new house you built? What is the window supplier saying?

    No it's a 2006 estate development. I want to make sure I avoid this on new build. Not sure who supplied windows but they are DG PVC with trickle vent. I *think* it has renson written on it somewhere.


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