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Thread: 2x4's

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  1. #1
    Join Date
    Oct 2007
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    3

    Cool 2x4's

    why is construction lumber not exactly the size it indicates.
    For instance a 2x4 is actually 1 1/2 x 3 1/2 in diamentions.
    Is their a reason that it is not a true 2" thick and 4" wide.

    Thank you

  2. #2
    Join Date
    Aug 2007
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    Default Re: 2x4's

    Dimensional lumber used to be true, but then as time went on people didn't like getting splinters, so mills started surfacing the lumber, reducing it from it's original dimension. Today, the normal size is 1-1/2" x 3-1/2", rough dimension before surfacing is only 1/8" more. This maximizes utility (how much lumber can be milled from a single log ) and minimizes waste.

    If you need true dimension you'll have to purchase a 2x6 and rip it down to 4" or/or laminate a strip of plywood to the side to gain 2" in width.

  3. #3
    Join Date
    Sep 2007
    Location
    Long Island, NY
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    269

    Default Re: 2x4's

    I'll give any DIY'r a free handmade antique rosehead nail if they can tell us what the lil' black diamonds are used for on a tape measure.
    No Google cheating either
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    ॐשָׁלו

  4. #4
    Join Date
    Aug 2007
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    Default Re: 2x4's

    Ooh!! Ooh! Me! Me! I know I know!

  5. #5
    Join Date
    Aug 2007
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    Default Re: 2x4's

    Ooooo, oooooo.......me too, me too!!!

    I do my own work here at home. Does that make me a DIYer?

  6. #6
    Join Date
    Aug 2007
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    1,131

    Default Re: 2x4's

    As far as the 2x4 deal goes, me thinks this is the deal ....or should I say......the new deal?

    The lumber is now cut to 2x4 when green/before it ever hits the kiln. After drying it to 19% and surfacing......the result is 1 1/2" x 3 1/2". It's been that way for a long time now. 2x4s used to be 2x4 and then became 1 3/4 x 3 3/4 for a while.

    Simply put.......it's a "cheater's system" invented by the lumber companies to benefit the lumber companies. Ever notice how the candy bar has shrunk,too. Think of it this way; 1 1/2" x 3 1/2" became the new "fun size".
    Last edited by goldhiller; 10-01-2007 at 11:29 PM.

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