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Timber warping in house

  • 10-01-2013 2:59pm
    #1
    sas
    Registered Users, Registered Users 2 Posts: 1,282 ✭✭✭


    Hello,

    I'm having issues with cupping\warping of some items in our new home.

    We have 2 large doors that were made for us. They are timber around the edges with an infill panel of mdf. They are a very basic style. They were hung in the house mid April last year. We moved in within a fortnight so the conditions on site weren't wet at that point. Around the start of Dec we noticed that one of the doors was out of line with the other.
    I pulled a line on it and the door has bowed along the vertical plane.

    Our house is a low energy how with low humidity levels. HRV ventilated etc.

    My understand is that it's drying out that causes warping. As I don't believe that the doors could have absorbed much moisture on site at the time they were installed, how could this have happened? Could they have been made with timber that wasn't sufficiently dried?

    We also have 2 landings on our stairs (concrete) clad in oak. The boards are approx 100m wide and glued together. On 2 of the landings we are experiencing lift between 2 boards and gaps appearing between 2 others.

    The oak was installed 2 weeks after we moved in i.e. again pretty well into drying time. Any thoughts on what could have gone wrong?

    Same supplier for both jobs incidently


Comments

  • #2
    CJhaughey
    Registered Users, Registered Users 2 Posts: 14,907 ✭✭✭✭CJhaughey


    You will find that any wood that wasn't kiln dried will probably move quite a bit in a low humidity house like yours.
    I think my humidity is around 60% most days inside.
    Some of the flooring moved a small bit, cupped mainly but I can live with that.
    The rest of the doors are solid pine and haven't moved at all.


  • #3
    sas
    Registered Users, Registered Users 2 Posts: 1,282 ✭✭✭sas


    CJhaughey wrote: »
    You will find that any wood that wasn't kiln dried will probably move quite a bit in a low humidity house like yours.
    I think my humidity is around 60% most days inside.
    Some of the flooring moved a small bit, cupped mainly but I can live with that.
    The rest of the doors are solid pine and haven't moved at all.

    Fortunately we have engineered oak doors everywheel else and they haven't moved.

    I can live with the stairs as it is if it doesn't get anyworse. My concern is that we're in 8 months and it still appears to be slowly moving.

    Thanks for the feedback.


  • #4
    1chippy
    Closed Accounts Posts: 1,716 ✭✭✭1chippy


    You will get that with timber. with all the best intentions and will in the world it is next to impossible to control timber. The possability of it moving can be limited but sometimes doors will just twist and floors will just shrink and expand.
    I seen a house that the doors started twisting in that had been in for 17 previous years and no issue.


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