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flush with cavity closer

  • 21-04-2019 10:45pm
    #1
    yoloc
    Registered Users Posts: 375 ✭✭


    Building a small garage in donegal and closed the cavity off with a cavity closer (old way i know but no part L for garages). I was to put an overhang on the outside for soffit boards, fascia etc.. but not changing to flush eaves on wives instructions :(

    Would bringing the flush eaves down ontop of the CC cause any issues for moisture to travel over to the inner block or should it be covered in such a way so the closer isnt on the outer face.

    Have been getting conflicting opinions on the matter. One saying that gravity always pulls the rain down the wall and damp wont happen on the inner block unless it was on the bottom and the other saying itll have issues.


Comments

  • #2
    Bonzo Delaney
    Registered Users, Registered Users 2 Posts: 1,577 ✭✭✭Bonzo Delaney


    Can you not drop the fascia to below the cavity closer by repositioning the birds mouth on the rafter ,depending on roof build up eg :
    Wall plate.
    Joists
    2nd Wall plate , birds mouth plate (move this in to eliminate soffit).
    Rafter
    It'll always be a damp point if left exposed plus you could never rule out "converting" it in the future.
    By sorting it now could save you a load of pain further down the line .


  • #3
    yoloc
    Registered Users Posts: 375 ✭✭yoloc


    Bonzo Delaney wrote: »
    Can you not drop the fascia to below the cavity closer by repositioning the birds mouth on the rafter ,depending on roof build up eg :
    Wall plate.
    Joists
    2nd Wall plate , birds mouth plate (move this in to eliminate soffit).
    Rafter
    It'll always be a damp point if left exposed plus you could never rule out "converting" it in the future.
    By sorting it now could save you a load of pain further down the line .

    its felted, battened out thee last few weeks.


  • #4
    Bonzo Delaney
    Registered Users, Registered Users 2 Posts: 1,577 ✭✭✭Bonzo Delaney


    Ah I see.
    There's a thin insulated cement board made by botamant Google it supplied some hardware stores and tile suppliers that could be applied to the outside face of the closure and down halfway on the last row of block .
    Then plastered over with the rest of the building . That's stop 99.9 % of the damp and reduce cold bridging also


  • #5
    yoloc
    Registered Users Posts: 375 ✭✭yoloc


    Bonzo Delaney wrote: »
    Ah I see.
    There's a thin insulated cement board made by botamant Google it supplied some hardware stores and tile suppliers that could be applied to the outside face of the closure and down halfway on the last row of block .
    Then plastered over with the rest of the building . That's stop 99.9 % of the damp and reduce cold bridging also

    Seen some bring the felt on down wrapped around 12mm ply then expanded metl on the face, scratch coat and the finish coat.


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