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RE: Roof Framing, Joist Spacing...Input please

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Vulcrafts catalog (1998) says a multiple span 16 gauge deck can span a max
10'-3" per SDI.  The USD catalog that I have (a little older) says 10'-9"
for the same deck per SDI.

Scott Maxwell, PE, SE


On Fri, 21 Jul 2000, Roger Davis wrote:

> I don't believe the Steel Deck Institute limits deck span to 5'-0".  The
> literature I have (several years old) says you can span up to 9'-1" with
> type "B", 18 gauge.  If rigid insulation is adhered to the metal deck, it
> may break free from the deflected deck, but the deck would meet SDI
> deflection criteria.
> 
> Roger Davis
> SDS Architects, Inc
> 205 N. Dewey Street
> Eau Claire, WI 54703
> 715-832-1605
> rdavis(--nospam--at)sdsarch.com
> 
> 
> -----Original Message-----
> From:	c2 [mailto:jimmycccccc(--nospam--at)email.msn.com]
> Sent:	Thursday, July 20, 2000 7:52 PM
> To:	seaint(--nospam--at)seaint.org
> Subject:	Re: Roof Framing, Joist Spacing...Input please
> 
>     <<  Down here we tend to joists from 5' to 6'-8" o.c. with 1.5
> intermediate rib or
> wide rib deck depending on joist spacing (this meets FM's 1-90).  >>
> 
> And how does one get by the Steel Deck Institute limitation of a max span of
> 5'-0" on 1 1/2" decks ?
> 
> Too many damn many "institutes" and "codes" all, seemingly conflicting.
> 
> 
> Jimmy  C.......(hisself)
> 
> 
> 
> 
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