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Old 02-12-2009, 05:10 PM   #1
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Partition separation


My house is 1974 vintage with fabricated trusses. I have partition separation due to improper truss installation. How can I fix this problem? Thanks.

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Old 02-12-2009, 06:11 PM   #2
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Partition separation


mik.....got a picture?

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Old 02-12-2009, 06:48 PM   #3
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Partition separation


Have no picture. I understand that prefab trusses are now installed with a slotted angle brace allowing the truss to move without pulling up the joist it is attached to with it. I have a 4' overhang front and back. What do these braces look like and where do you attach along truss?
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Old 02-16-2009, 09:35 AM   #4
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Partition separation


You have truss uplift due to bowing of the bottom cord. This happens as the top cords shrink less or actually expand more than the bottom.

There are brackets that few contractors use that the ceiling sheetrock sits into. You dont fasten the ceiling rock for about 18" from the corners and it is held in this track then hooks to the wall not the truss. It allows float.

Does the seperation come and go in winter and summer (respectively) or is it always there?

If it is always there, then you could just patch it up.

If it comes and goes (more liekly) then at this point you could just add cove molding here and attach it only to the ceiling.

Trying to prevent it is nearly impossible. If you fasten the truss with some brace as you speak of... to the top plate of the wall it might just pull the top plate off the studs or raise the wall splitting it at the floor.
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Old 02-16-2009, 09:38 AM   #5
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Partition separation


Oh, and if at this age it is still coming and going with the seasons... better attic air flow may help to reduce the truss lift. I like ridge and soffit vent. Also make sure no moisture is trapped up there esp. in the insulation.
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