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Old 05-23-2014, 10:54 PM   #1
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joist sizing /frame


Were a lot of the ranch style homes built in the late 70s in the south east built with main joist that were pressure treated, on outside framing ? Also were most of them the 2 by 8 or 2 by 10 for the outer frame?

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Old 05-23-2014, 11:06 PM   #2
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joist sizing /frame


Not quite sure what you're talking about. What you calling the main joist? Normally only the sill plate would be pressure-treated, everything else wouldn't be.

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Old 05-23-2014, 11:22 PM   #3
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joist sizing /frame


May help to share why your asking so we can figure out what parts of the house your talking about.
http://www.bing.com/images/search?q=...lectedIndex=10
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Old 05-24-2014, 03:47 AM   #4
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joist sizing /frame


Guess it would be the sills .its 1st piece of wood u see on block foundation when in crawlspace looking at outer corner
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Old 05-24-2014, 09:21 AM   #5
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joist sizing /frame


not likely pressure treated but regular wood sitting on metal or felt paper to separate concrete/block from wood.
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Old 05-24-2014, 12:01 PM   #6
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joist sizing /frame


ok thanks..Is the rim joist regular untreated wood ?
Also are they mostly 2 by 8 ?

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Old 05-24-2014, 07:31 PM   #7
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joist sizing /frame


First piece of wood would normally be pressure treated as it is what touches the concrete. Rim joists do not touch the concrete so they are normally not PT. Ron
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Old 05-24-2014, 10:13 PM   #8
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joist sizing /frame


I've seen many an older home built without a pressure treated sill plate. Some just used an aluminum or galvanized termite shield.
Should be able to look at the wood to see if it's pressure treated, should be a different color.

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