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  1. #501
    Silver Member
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    Default Re: At Home In The Woods

    Quote Originally Posted by dcyrilc View Post
    I'm also comfused by the 19.2" spacing. Although, I just did the math and it does work out for 8ft sheets. Must not be a 4ft offset between rows.
    It is an old standard - not used much today in residential-- but most quality tape measures have little (black or red) diamonds every 19.2" to aid in layout.

  2. #502
    Super Member dave1949's Avatar
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    Industry, Maine
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    New Holland TC40

    Default Re: At Home In The Woods

    Quote Originally Posted by mikefromnh View Post
    It is an old standard - not used much today in residential-- but most quality tape measures have little (black or red) diamonds every 19.2" to aid in layout.
    Learn something new everyday - thanks.
    Dave.
    "Those were the days my friend, we thought they'd never end ..."
    When there is a huge solar energy spill, it is called a "nice day"!

  3. #503
    Veteran Member jayste's Avatar
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    Feb 2008
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    "Ranchin'" on a 1/4 of a 1/4 in Seminole County, Oklahoma!
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    2004 Kubota M4800 SU

    Default Re: At Home In The Woods

    Quote Originally Posted by dave1949 View Post
    Learn something new everyday - thanks.
    Dave.
    Same here!
    Jay

    The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government.
    Thomas Jefferson

    If My people who are called by My name will humble themselves, and pray and seek My face, and turn from their wicked ways, then I will hear from heaven, and will forgive their sin and heal their land. 2 Chronicles 7:14 NKJV

  4. #504
    Elite Member CurlyDave's Avatar
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    Dec 2005
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    4,098
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    Grants Pass, OR
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    JD TLB 110

    Default Re: At Home In The Woods

    Quote Originally Posted by dcyrilc View Post
    The joists are looking good. I'm also comfused by the 19.2" spacing. Although, I just did the math and it does work out for 8ft sheets. Must not be a 4ft offset between rows.
    I have to admit the 19.2" made me look for my calculator...

    Eddie: I haven't done any calculations on this, but do you think these trusses being 3.5" wide instead of only 1.5" for dimensional lumber provides enough resistance to them tipping onto their sides to eliminate the need for the diagonal braces?
    40 Acres on a hill - fantastic view. JD 110 TLB, 4-n-1, 12" bucket, 18" bucket, Addington thumb, rock bucket (doubles as root grapple)

    Not only do we not understand the universe, if someone explained it to us, we would not know what he was talking about.

    Isaac Asimov

  5. #505
    Platinum Member
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    Oct 2009
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    667
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    IL
    Tractor
    Ford 555 TLB, Xtra-Vator, pallet forks; Caterpillar 12 Motor Grader; FABTEK aerial platform

    Default Re: At Home In The Woods

    Eddie and Dave,
    Diagonal bracing (bridging) is not needed with this type of floor truss. Bridging is used to transfer some of the load to adjacent joists. If bridging happens to keep the joists from tipping its just a bonus.
    This type of truss usually hangs from the top cord much like a bar joist you often see used for roofs in commercial applications. Since they hang from the top they aren't prone to tipping like a traditional joist. When they are installed with the bottom cord sitting on a wall or beam they add a vertical member between the top and bottom cords on the ends. The first picture in post #492 shows this.
    When they are placed with the bottom cord on the wall the 3 1/2" width gives plenty of support to keep them from tipping in most cases. The taller the truss, the more likely it could tip. Once the wall sheathing is installed (if properly nailed to the end of the trusses) they won't tip. I agree with Eddie that there should be blocking between the trusses to support the edge of the floor sheathing and wall. Especially since the walls will be framed on different centers.
    Pops

  6. #506
    Gold Member WBWI's Avatar
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    Aug 2007
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    253
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    SE Wisconsin
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    Kubota L3130

    Default Re: At Home In The Woods

    Obed, just ran across this thread and have a lot of catching up to do. Congrats on the house! We built 3 years ago and looks like we have similar taste.

    I have most of the build documented here if you're really bored.
    New lot pictures by CampWI - Photobucket
    Tractor: Kubota L3130 HST w/LA513 loader, JRW Snowblower, Big Bee Agri-four rotary mower and Land pride 72" finish mower
    Terrain- 5.25 acres, hilly, partially wooded, 700' concrete driveway.

  7. #507
    Super Member dcyrilc's Avatar
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    Nov 2009
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    Woodinville, Washington
    Tractor
    John Deere 2240 MFWD

    Default Re: At Home In The Woods

    Quote Originally Posted by dave1949 View Post
    Learn something new everyday - thanks.
    Dave.
    Ditto.
    I've seen the diamonds on tape measures, but never new what they were for and didn't associate the 19.2". Guess I'm just too used to 12, 16, or 24 inches. Never too late to learn something new.
    Cyril

    JD 2240 MFWD (with duels now)
    145 FEL, 8ft Rear blade (now I need a 12ft blade)



  8. #508
    Veteran Member Dutch445's Avatar
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    Aug 2001
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    2,140
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    Upstate NY
    Tractor
    JD X585

    Default Re: At Home In The Woods

    Quote Originally Posted by mikefromnh View Post
    It is an old standard - not used much today in residential-- but most quality tape measures have little (black or red) diamonds every 19.2" to aid in layout.
    and 38.4, 57.6, etc..
    imagine that... they're there!


  9. #509
    Elite Member Obed's Avatar
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    Dec 2006
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    2,579
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    East TN
    Tractor
    John Deere 4210 FEL BH

    Default Re: At Home In The Woods

    Bracing
    I spoke to the truss designer today about bracing. Bracing is accomplished in 3 ways.

    1. The ends of the trusses are notched to accept a 2x4. You can see the notches in the first picture. The second and third pictures show trusses that have the 2x4's installed in the notches.

    2. 2x6 strongbacks will be nailed to the uprights in the trusses at 10' O.C. The strongbacks might not be installed until after the ductwork and plumbing has been run.

    3. 1x4 boards will be nailed to the bottom chords at 10' O.C. to provide less vibration when walking on the floors for a sturdier feel.

    Diagonal bracing is not required according to the truss designer. The Advantech subflooring is tongue and grove. The subflooring will be glued and screwed. Glue will go under the flooring and also in the tongue and grooves. The truss designer said that the trusses will be in good shape using these steps.
    Attached Thumbnails Attached Thumbnails -img_2997-jpg   -img_2994-jpg   -img_2998-jpg  
    John Deere 4210 (28 HP) FEL, BH, 6' Box Blade, Loader Forks

    At Home In the Woods

  10. #510
    Elite Member Obed's Avatar
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    East TN
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    John Deere 4210 FEL BH

    Default Re: At Home In The Woods

    This picture shows the trusses sitting on the center bearing wall. Note the notches at the ends of in the trusses where the 2x4s will be nailed. You are seeing 2 trusses that meet in the middle where the center bearing walls are underneath. Our center bearing wall has a couple zags to accommodate the future basement floor plan.
    Attached Thumbnails Attached Thumbnails -img_3008-jpg  
    John Deere 4210 (28 HP) FEL, BH, 6' Box Blade, Loader Forks

    At Home In the Woods

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