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Cladding for Gable Wall/A Frame

  • 26-11-2014 12:43pm
    #1
    Registered Users, Registered Users 2 Posts: 624 ✭✭✭


    Hi folks,

    Getting the run around from a number of people (so-called experts) on this, but was wondering what are my options for the external finish of the front gable wall of our house. The wall consists of a Steel A frame with sliding doors underneath and a fixed triangular window up top to the apex - see picture and planned elevation.

    Currently, there is only the steel frame forming the apex and I would like either a plaster finish or stone cladding on the outside. What is the best way to go about getting a thermally efficient, watertight and visually pleasing finish on the outside? While I know the A frame will be a thermal bridge of sorts, I have been advised to get it pumped with spray insulation prior to completion.

    PVC cladding of some sort has been recommended to me, but not sure about this. Looking to do with alu-clad windows. The side walls were existing and are mass concrete, so my main concern is the angular and middle bar sections.


Comments

  • Closed Accounts Posts: 1,011 ✭✭✭ht9zni1gs28crp


    What finish do you desire on the outside?

    Looking at that pic, I would say a cedar or larch style cladding would suit. Build it out in a Rainscreen style application and you have a sound watertight and thermally efficient wall.

    If budget wasn't an option and a render style is end gain then I would build it up and out as follows

    100mm Metsec or similar. Full filled with insulation.
    CP Board,
    100mm K15 insulation, taped and sealed,
    Vertical timbers.
    Steni style board and render..


  • Registered Users, Registered Users 2 Posts: 624 ✭✭✭tedimc


    Thanks miller_63 - you've introduced to a few solutions there I wasn't even aware of.

    Ideally, I'd like a plain plaster or stone cladding type finish.

    What is the use of the vertical timbers? is it to form a cavity? Would the solution you outline hold some of that 1 inch thick stone cladding?


  • Banned (with Prison Access) Posts: 1,221 ✭✭✭braddun


    is it north south east or west facing wall

    you can add external insulation,

    Stucco Over High-R Foam Insulating Board

    Wire stucco lath is placed over the foam insulating board


  • Registered Users, Registered Users 2 Posts: 624 ✭✭✭tedimc


    Its an East facing wall - one area I'm struggling with is actually fixing the higher sections.

    The vertical walls will be fine as they are concrete, but the horizontal beam and angled sections are all galvanized box (6inch & 4inch respectively). Would this give me sufficient grounds for metsec or insulation? I'll also need a bit of an overhang past both widths to cover the window frames.


  • Closed Accounts Posts: 1,011 ✭✭✭ht9zni1gs28crp


    tedimc wrote: »
    Thanks miller_63 - you've introduced to a few solutions there I wasn't even aware of.

    Ideally, I'd like a plain plaster or stone cladding type finish.

    What is the use of the vertical timbers? is it to form a cavity? Would the solution you outline hold some of that 1 inch thick stone cladding?

    Yes the vertical timbers produce the 38mm min cavity to form a ventilated rainscreen...if you detail in a 10mm air gap at jambs and heads, plus at eaves and base you will adequately maintain a rainscreen system.

    The stone cladding (I guess its the slip style glue/fix on sheet option) may be best option in terms of flexibility especially in those hard areas at the apex at either side of the triangulated window.


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