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Treated Lumber Spans
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08-13-2009, 09:26 AM
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#1 |
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Money Changer
Trade: Residential Remodeling
Join Date: Jan 2008
Location: Bucks County, PA
Posts: 804
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Treated Lumber Spans
Search didn't turn up anything.
Anybody have a good source for calculating treated lumber spans for decks? The books and online table I have don't specify treated. |
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08-13-2009, 09:33 AM
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#2 |
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Pro
Trade: Building and Remodeling
Join Date: Nov 2007
Location: CONNECTICUT
Posts: 1,615
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Re: Treated Lumber Spans
Just use the span tables in the IRC..treated has nothing to do with the span...only the species does.
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08-13-2009, 09:54 AM
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#3 |
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Money Changer
Trade: Residential Remodeling
Join Date: Jan 2008
Location: Bucks County, PA
Posts: 804
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Re: Treated Lumber Spans
So I can follow the table for southern pine, US lumber?
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08-13-2009, 10:53 AM
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#4 | |
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Curmudgeon
Trade: carpentry/remodeling/"Yes M'am we do"
Join Date: Apr 2006
Location: Beech Grove, Indiana, Birthplace of the "King of Cool"
Posts: 11,707
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Re: Treated Lumber SpansQuote:
 http://www.awc.org/calculators/span/...izontal%2BSpan
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| The Following User Says Thank You to neolitic For This Useful Post: | bert0168 (08-13-2009) |
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08-13-2009, 01:18 PM
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#5 |
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Money Changer
Trade: Residential Remodeling
Join Date: Jan 2008
Location: Bucks County, PA
Posts: 804
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Re: Treated Lumber Spans
Thanks Neo, that's the one I have.
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08-13-2009, 01:31 PM
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#6 |
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The Deck Guy
 
Trade: Outdoor Design & Construction
Join Date: Mar 2005
Location: Bergen County, NJ
Posts: 2,925
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Re: Treated Lumber Spans
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Your source for: BergenDECKS.com ::: Decks • Porches • Railings • Pergolas in Bergen County New Jersey Remodeling and Home Improvements in Bergen County | EPA Approved Lead-Safe Contractor Techno Metal Post ::: Residential, Commercial and Industrial Helical foundation piles Follow us on: Facebook | Twitter | YouTube |
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| The Following User Says Thank You to Greg Di For This Useful Post: | bert0168 (08-13-2009) |
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08-13-2009, 06:10 PM
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#7 |
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Pro
Trade: Porch and Deck Builder
Join Date: May 2006
Location: Toronto
Posts: 1,773
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Re: Treated Lumber Spans
Also remember that treated wood gets much stiffer as it dries out, so don't freak if you feel a tiny bounce in your floor after following the span tables.
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"Neek...Neek...yoo-a-moronna Neek. Getta-da-fookin-a-jacka-ham!" http://www.vicporch.ca Deck Fence Porch Builder Toronto |
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08-13-2009, 06:24 PM
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#8 | |
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Money Changer
Trade: Residential Remodeling
Join Date: Jan 2008
Location: Bucks County, PA
Posts: 804
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Re: Treated Lumber SpansQuote:
I was surprised at the spans allowed for 2 x 8's BTW, what number would you use for dead load on a solid composite deck with no furniture? |
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08-13-2009, 06:48 PM
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#9 |
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Pro
Trade: Carpentry Contractor
Join Date: Dec 2007
Location: California
Posts: 1,270
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Re: Treated Lumber Spans
If the PT lumber is incised, the values do go down substantially. We use Douglas Fir that is incised when treated. The span on a 2x8 decreases a foot with incising.
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08-13-2009, 07:59 PM
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#10 |
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Money Changer
Trade: Residential Remodeling
Join Date: Jan 2008
Location: Bucks County, PA
Posts: 804
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Re: Treated Lumber Spans
I don't think we have incised lumber out here.
I think that is the stuff you see the nicks all over it, right? |
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08-13-2009, 08:07 PM
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#11 | |
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Curmudgeon
Trade: carpentry/remodeling/"Yes M'am we do"
Join Date: Apr 2006
Location: Beech Grove, Indiana, Birthplace of the "King of Cool"
Posts: 11,707
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Re: Treated Lumber SpansQuote:
is doug fir power poles.
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