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Old 12-11-2011, 06:20 PM   #1
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Kitchen backsplash separates from exterior wall


Good day all. every year in Jan/Feb when it's very cold, the above happens to approx 1/4 inch gap. When it warms up,it's back flush. Same thing happens to my neighbor's EAST WALL.??
DOES ANYONE HAVE ANY IDEAS??
I can see the vapour barrier & house wrap below the bottom edge of the window frame with the trim off. Many thanx


Last edited by Colt45; 12-13-2011 at 04:18 AM.
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Old 12-11-2011, 06:47 PM   #2
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Kitchen backsplash separates from exterior wall


Pictures would help. It sort of sounds like truss uplift.
http://www.buildingscience.com/docum...truss%20uplift

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Old 12-12-2011, 03:47 AM   #3
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Kitchen backsplash separates from exterior wall


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Pictures would help. It sort of sounds like truss uplift.
http://www.buildingscience.com/docum...truss%20uplift
Thanx for your reply. I am quite familiar with truss uplift..thank god for crown molding! I find it strange that 2 houses have the same issue on the same exposure wall.
I guess it is best to caulk when the gap is at it's widest??
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Old 12-12-2011, 03:39 PM   #4
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Kitchen backsplash separates from exterior wall


How do you see the vapor barrier and house wrap under the window? Isn't it sealed?
How does a roof truss move a backsplash away from a wall?
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Old 12-12-2011, 05:20 PM   #5
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Kitchen backsplash separates from exterior wall


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How does a roof truss move a backsplash away from a wall?
If it's a gable end or interior wall, truss uplift could pull the truss up. If the top of the wall is fasten to the truss the entire wall could lift leaving a gap where the cabinet & counter stays on the floor.
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Old 12-12-2011, 10:37 PM   #6
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Kitchen backsplash separates from exterior wall


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If it's a gable end or interior wall, truss uplift could pull the truss up. If the top of the wall is fasten to the truss the entire wall could lift leaving a gap where the cabinet & counter stays on the floor.
I don't think this is it, for two reasons. Primarily, the separation described in not a vertical movement at the countertop, but horizontal between the wall and backsplash. Second, even if truss uplift were vertically lifting the entire wall(which I just don't see happening), the cabinets would rise with the wall, as they are screwed into the studs; so if a gap were to appear from this, it would be at the floor level.
I have a similiar event in my personal house, which is raised pier construction. I am convincedit is due to floor joist movement, because it correlates to how dry or rainy a period we are in. Just another theory
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Old 12-13-2011, 04:29 AM   #7
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Kitchen backsplash separates from exterior wall


Thanx, it is horizontal vs vertical movement. I think is a stud moisture broblem. House is 17 yrs old. Strange that neighbor has same problem on South exposure wall also.

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