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05-12-2009, 03:14 PM
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#1
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ampman
Trade:
providing pathways for electrons and protons
Join Date: Apr 2009
Location: central florida
Posts: 721
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on my tape
what are the diamonds on a tape measure @19 1/4, 38 3/8,57 5/8 and so on
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05-12-2009, 03:28 PM
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#2
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framer
Trade:
framing
Join Date: Feb 2007
Location: S.E. mass
Posts: 119
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I was told they were for min. spacing for elec. conduits.
But seeing thats your trade I guess they were busting me!
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05-12-2009, 03:29 PM
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#3
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Capra aegagrus
Trade:
Remodeler
Join Date: Jan 2008
Location: Central Pennsylvania
Posts: 1,780
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Quote:
Originally Posted by ampman
what are the diamonds on a tape measure @19 1/4, 38 3/8,57 5/8 and so on
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Cubits.
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05-12-2009, 03:40 PM
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#4
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ampman
Trade:
providing pathways for electrons and protons
Join Date: Apr 2009
Location: central florida
Posts: 721
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thanks tinstaafl
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05-12-2009, 04:49 PM
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#5
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Pro
Trade:
Sure, what you got?
Join Date: Jan 2008
Location: Auburn Indiana
Posts: 3,788
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I thought it was for spacing for engineered floor trusses and such.
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05-12-2009, 04:51 PM
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#6
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finish carpenter
Trade:
finish Carpenter/ renovations
Join Date: Sep 2008
Location: ns, canada
Posts: 604
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scoring target for spitting sunflower seeds
__________________
cutting some wood
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05-12-2009, 06:14 PM
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#7
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Pro
Trade:
framer
Join Date: Dec 2007
Location: Calgary Ab Canada
Posts: 402
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not sure if you are kidding, they are layout measurements..every fifth one is 8'. usually for tgi joists. I just wish they would put a diamond at the top and bottom of the tape
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05-12-2009, 06:49 PM
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#8
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Pro
Trade:
trim carpentry
Join Date: May 2007
Location: south ga
Posts: 630
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diamond layout
dont ask me how to use it but thats what I was told back when I was framing
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05-12-2009, 07:11 PM
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#9
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Handle It!
Trade:
Everything The Union Guys Do Not Want To Do
Join Date: Feb 2008
Location: Brooklyn, NY ~ Haverford, PA
Posts: 7,892
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Hard Data!
" Note the markings on the tape. Each mark indicates a 1/16-inch increment. There is usually an arrow indicator at 16-inch increments to show the typical distance between wall studs. The diamonds are for marking joists and studs at points one-fifth of 8 feet. "
http://www.ehow.com/how_18221_measuring-tape.html
The guy with the Huge Asss, had it verbatim!
.
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05-12-2009, 07:41 PM
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#10
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strat hd
Trade:
framing contractor , remodeler , GC occasionally
Join Date: Jan 2009
Location: NW Ohio
Posts: 1,673
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Huge asss....  ......Nothing personal Hugh..........
I-joist layout is correct, however, I still lay them out on 16" centers
__________________
STRAT HD
Disgruntled citizen of North Mexico !! 
(Formerly the USA)
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05-12-2009, 08:07 PM
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#11
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finish carpenter
Trade:
finish Carpenter/ renovations
Join Date: Sep 2008
Location: ns, canada
Posts: 604
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yup i joist layout, be it TJI or OJT's, havent done a 19 3/16 o.c in some time. most of the places ive been working on are additions with 9 1/4" TJI's so they call for 12" oc or 16
__________________
cutting some wood
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05-12-2009, 08:22 PM
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#12
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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: 10,064
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The diamonds were there
before there were TJI's.
We did some roof truss on
that layout, and I'm told
it was common in Texas?
Maybe other non-snowload
places as well.
__________________
Put your location in your profile!
(Sorry....it seems there really are dumb questions)
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05-12-2009, 08:30 PM
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#13
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strat hd
Trade:
framing contractor , remodeler , GC occasionally
Join Date: Jan 2009
Location: NW Ohio
Posts: 1,673
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Quote:
Originally Posted by neolitic
The diamonds were there
before there were TJI's.
We did some roof truss on
that layout, and I'm told
it was common in Texas?
Maybe other non-snowload
places as well.
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Are you sure ? I remember it the other way around. My first experience with TJI's was in Denver 1981. I think Denver was a test market for them.
__________________
STRAT HD
Disgruntled citizen of North Mexico !!
(Formerly the USA)
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05-12-2009, 08:39 PM
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#14
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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: 10,064
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Quote:
Originally Posted by strathd
Are you sure ? I remember it the other way around. My first experience with TJI's was in Denver 1981. I think Denver was a test market for them.
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We did the 5 to a sheet layout
Late 70's, early 80's?
Never heard of TJI's til much later.
I'll look around for an old tape
tomorrow, but I wouldn't think
they'd start to change tapes to
accommodate a new product til
it was in pretty wide use.
I was wrong once before.
__________________
Put your location in your profile!
(Sorry....it seems there really are dumb questions)
Last edited by neolitic; 05-12-2009 at 09:28 PM.
Reason: to a "T"
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05-12-2009, 09:24 PM
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#15
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Pro
Trade:
Carpenter
Join Date: May 2004
Posts: 5,529
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I'm not sure which was first, - - but either way it's basically a compromise between 16 and 24 inch centers, - - 5 studs, joists, or rafters per 8' section, as opposed to 6 or 4.
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05-12-2009, 10:03 PM
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#16
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Pro
Trade:
framer
Join Date: Dec 2007
Location: Calgary Ab Canada
Posts: 402
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Quote:
Originally Posted by strathd
Huge asss.... ......Nothing personal Hugh..........
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*cough* that's not my real name  or is it? 
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05-12-2009, 10:08 PM
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#17
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---
Trade:
residential framing/general carpentry
Join Date: Feb 2009
Location: Southern New Jersey
Posts: 3,451
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Quote:
Originally Posted by hughjazz
*cough* that's not my real name or is it? |
Sounds like it should be on the porn star thread
__________________
" It's a Jersey thing, you wouldn't understand" 
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05-12-2009, 10:43 PM
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#18
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Capra aegagrus
Trade:
Remodeler
Join Date: Jan 2008
Location: Central Pennsylvania
Posts: 1,780
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Quote:
Originally Posted by neolitic
The diamonds were there
before there were TJI's.
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I'm pretty sure that I read somewhere that they've included the diamonds pretty much since the company was founded in the 1800's, when you were just a young'un.
Can't seem to nail down a reference right now, though.
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05-12-2009, 10:54 PM
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#19
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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: 10,064
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Quote:
Originally Posted by Tinstaafl
I'm pretty sure that I read somewhere that they've included the diamonds pretty much since the company was founded in the 1800's, when you were just a young'un.
Can't seem to nail down a reference right now, though. |
Should have invested in dirt,
when they invented it.
Just thought it was a fad though. 
__________________
Put your location in your profile!
(Sorry....it seems there really are dumb questions)
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05-12-2009, 10:55 PM
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#20
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Pro
Trade:
Commercial Superintendent
Join Date: Mar 2009
Posts: 243
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The answer is LAYOUT, intermediate between 16"OC and 24"OC. And it has nothing to do with engineered lumber. I have my grandfathers stick rule, dating from the 1950's, and it has 19.2"OC ticks
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