Sheathing board gaps

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Author Message   Cpaulin (Cpaulin) Junior Member Username: Cpaulin Post Number: 20 Registered: 08-2006 Posted on Thursday, September 13, 2012 - 11:57 pm:        None. Jam them tight together. The wood will only shrink, forming its own expansion space. (Message edited by cpaulin on September 13, 2012)   Joe (Joe) Moderator Username: Joe Post Number: 720 Registered: 07-2006 Posted on Wednesday, September 05, 2012 - 11:03 am:        Use the thickness of a 16 penny common nail shaft as a spacer.   Old_school (Old_school) Senior Member Username: Old_school Post Number: 882 Registered: 01-2009 Posted on Tuesday, September 04, 2012 - 05:36 pm:        It is going to shrink a bit even though it is dry. As long as you don't jam them tight together it should be fine.   Catfeesh (Catfeesh) Member Username: Catfeesh Post Number: 26 Registered: 12-2011 Posted on Tuesday, September 04, 2012 - 03:19 pm:        How much of an expansion space would you leave between courses of 8" kiln dried spruce, or pine sheathing boards? I had hoped to use local, green lumber, but the dude backed out. Thanks, -Richard