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Home > Archive > Building and Construction > July 2006 > Origin of 4' module and 16" OC?
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Origin of 4' module and 16" OC?
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| HerHusband 2006-07-29, 1:25 pm |
| I'm just curious if anyone knows where the standard for 16" OC stud spacing
and 4 foot plywood widths came from?
Since older houses used individual boards instead of plywood, I assume the
4 foot width was designed to fit an existing 16" OC standard stud spacing?
But why 48" and not 32". I'm guessing it was the biggest size that could be
handled comfortably? A 64" wide sheet would be difficult for most people to
carry comfortably.
So, assuming the stud spacing came first, where did the 16" OC standard
come from?
Just curious... 
Anthony
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"HerHusband" <unknown@unknown.com> wrote in message
news:Xns980F66D33DD10herhusband@216.196.97.136...
> I'm just curious if anyone knows where the standard for 16" OC stud
> spacing
> and 4 foot plywood widths came from?
>
> Since older houses used individual boards instead of plywood, I assume the
> 4 foot width was designed to fit an existing 16" OC standard stud spacing?
> But why 48" and not 32". I'm guessing it was the biggest size that could
> be
> handled comfortably? A 64" wide sheet would be difficult for most people
> to
> carry comfortably.
>
> So, assuming the stud spacing came first, where did the 16" OC standard
> come from?
>
> Just curious...
>
> Anthony
I'm assuming its the largest possible spacing from an engineering
standpoint.
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| "HerHusband" <unknown@unknown.com> wrote in message
news:Xns980F66D33DD10herhusband@216.196.97.136...
> I'm just curious if anyone knows where the standard for 16" OC stud
> spacing
> and 4 foot plywood widths came from?
>
> Since older houses used individual boards instead of plywood, I assume the
> 4 foot width was designed to fit an existing 16" OC standard stud spacing?
> But why 48" and not 32". I'm guessing it was the biggest size that could
> be
> handled comfortably? A 64" wide sheet would be difficult for most people
> to
> carry comfortably.
>
> So, assuming the stud spacing came first, where did the 16" OC standard
> come from?
>
> Just curious...
>
> Anthony
My guess is probably a common sense thing. Midway, or 24" O.C., too much
play or give. The next logical and smaller sequence is 16" O.C. You can
notice this when applying the first row of ship-lap siding used years ago.
Back then, there was no 4' wide siding/plywood. Lamination came later.
Some use 24", some 16", and even 12" O.C. The two former are usually a code
or ordinance, the latter is a matter of architect, engineer, or
owner/builder preference im most cases. Can be also a structural
requirement due to weight supported, or total wind driven flex for the
latter.
--
Jonny
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