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RE: Gaps between plywood sheathing

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Thanks Neil - I guess I better add this to my specifications.

Dennis

> -----Original Message-----
> From: Neil Moore [mailto:nmoore(--nospam--at)innercite.com]
> Sent: Thursday, April 19, 2001 7:20 AM
> To: seaint(--nospam--at)seaint.org; seaint(--nospam--at)seaint.org
> Subject: RE: Gaps between plywood sheathing
>
>
> Dennis:
>
> I just grabbed the first APA publication in my timber file
> drawer, which is
> the APA Product Guide for Performance Rated Panels.  This publication is a
> January 1986 issue:
>
> Under Panel Size and Spacing:
>
> "Recommended spacings between panels are 1/8 inch at end joints and 1/4
> inch at edge joints for APA RATED SHEATHING and 1/8 inch at both ends and
> edges for APA RATED STURD-I-FLOOR, unless otherwise recommended by the
> manufacturer."  (Capitol letters are as published. )
>
> I know that my firm went through all the causes of the buckling problems
> that we encountered in installed sheathing.
>
> Neil Moore, S.E.
> neil moore and associates
>
>
>
> At 09:40 PM 4/18/2001 -0700, Structuralist wrote:
> >While others are agreeing with the 1/8" spacing for plywood,
> I've only read
> >the standard for OSB which requires the gap. I don't recall
> anything in the
> >APA documents either on leaving expansion joints for plywood panels.
> >Dennis
> >
> >> -----Original Message-----
> >> From: George Richards, P.E. [mailto:george(--nospam--at)BORM.com]
> >> Sent: Wednesday, April 18, 2001 3:46 PM
> >> To: 'seaint(--nospam--at)seaint.org'
> >> Subject: RE: Gaps between plywood sheathing
> >>
> >>
> >> The numbers do not add up and I have never seen anything in APA lit. to
> >> address this issue.  Engineering Judgment.
> >>
> >> George Richards, P. E.
> >>
> >> -----Original Message-----
> >> From: Michael Bryson [mailto:michael.bryson(--nospam--at)englekirk.com]
> >> Sent: Wednesday, April 18, 2001 1:27 PM
> >> To: seaint(--nospam--at)seaint.org
> >> Subject: Gaps between plywood sheathing
> >>
> >>
> >> Typically you install sheathing with a 1/8" gap between sheets to
> >> allow for
> >> some expansion, correct? If the sheets are supported by a 2x
> >> framing member,
> >> how do you get your edge distance for a 10d nail?
> >>
>
>
>
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