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external garage condensation

  • 12-12-2018 11:44am
    #1
    s7ryf3925pivug
    Closed Accounts Posts: 4,007 ✭✭✭


    I have an external block built garage. It gets damp inside. Lots of stuff stored there at the moment. Wired. Has one decent looking double glazed window, one bad single glazed window, a plank door with small gaps that doesn't close tight, normal garage lift up door. Uninsulated attic.

    Plan to convert it to anxiliary living space in a year or two. In the meantime I'd like to reduce condensation in it.

    Things to do in the short term:

    Clean gutters (very blocked)
    Clear a lot of contents, which should help airflow.

    Not keen to insulate the attic as it is low crawlspace which would make it an unpleasant job, and I'm not sure I trust the rafters to bear my weight (14st). If it would likely make a huge difference then I might put planks across the rafters to get around it and lay fibreglass insulation.

    Is insulating the attic a no-brainer? Is the concern about the rafters probably silly? Are there any other measures I should consider?


Comments

  • #2
    GreeBo
    Registered Users, Registered Users 2 Posts: 27,369 ✭✭✭✭GreeBo


    Would you consider dropping the ceiling and insulating from below & reboarding?

    #1 should be to determine where the moisture is coming from.
    What is the finish on the walls & floor?

    Do you know what the floor construction is?


  • #3
    s7ryf3925pivug
    Closed Accounts Posts: 4,007 ✭✭✭s7ryf3925pivug


    GreeBo wrote: »
    Would you consider dropping the ceiling and insulating from below & reboarding?

    #1 should be to determine where the moisture is coming from.
    What is the finish on the walls & floor?

    Do you know what the floor construction is?
    Yes but too big a job to do in the short term.

    There's a crack in the wall the whole way through from the corner of the door to the bottom of the roof, but there is no apparent localised, and it's thin enough.

    Floor and walls are just exposed concrete or screed.

    No idea about floor construction. Took a reading on a moisture meter before, while the weather was better. Don't remember what it was but it wasn't that high.


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