1/2 plywood vs 5/8th plywood, how can you tell the diffrence?

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  #1  
Old 04-01-13, 08:40 AM
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1/2 plywood vs 5/8th plywood, how can you tell the diffrence?

How can you tell the diffrence between the 1/2 plywood vs 5/8th?

i had paid extra to put in 5/8th plywood, and i just want to make sure that they are putting in what i paid for.

can some one help me.

here is the image i tookName:  Screen Shot 2013-04-01 at 11.28.46 AM.jpg
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Screen Shot 2013-04-01 at 11.28.46 AM.png


Thank you
 
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Old 04-01-13, 08:51 AM
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Measure it. Of course 1/2" is less than 1/2" thick and 5/8" is less than 5/8" thick.
 
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Old 04-01-13, 09:12 AM
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i wish i did, the picture was taken while back, they have doors locked.
 
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Old 04-01-13, 10:48 AM
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It would be hard to tell from a pic When will you have access? what is the plywood being used on?
 
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Old 04-01-13, 02:58 PM
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I count 5 plys on the edge so I'm pretty sure you have 5/8"
 
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Old 04-01-13, 03:08 PM
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thank you all, i just have to wait and see i guess.
most likely I'm going to check out at the store and compare 1/2 and 5/8th and should be able to tell.

Thanks again.
 
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Old 04-01-13, 04:31 PM
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toolmon, you must have good eyesight
 
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Old 04-01-13, 07:23 PM
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how many ply would 1/2 have?

Thanks
 
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Old 04-01-13, 07:53 PM
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It looks like 3/4" to me. I don't know of anyone who would give you a choice between 1/2 and 5/8. 5/8 and 3/4 maybe...

Anyone putting 1/2" on a subfloor should be shot.

I'm guessing that the smashes on the plywood edge that we see on the left edge is from a sledgehammer... from beating the tongue and groove together. T&G is only on 3/4" plywood.
 
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Old 04-01-13, 10:28 PM
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The home builder offered 1/2 as standard. and they gave option to upgrade to 5/8" T&G Plywood instead of standard. (so i took the upgrade)

Screen Shot 2013-04-01 at 11.28.46 AM.png
 
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Old 04-02-13, 03:40 AM
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I have seen 5/8" T&G, but not 1/2". I agree with Brant, any "carpenter" who suggests anything less than 3/4" for subflooring should be tarred and feathered. What are the advantages of a thinner subflooring when you will need to apply another layer to have a decent substrate for just about any final flooring whether it be carpet, tile, hardwood, laminate, etc.??

Maybe we don't have all the information as to what this subflooring is for.
 
  #12  
Old 04-02-13, 09:09 AM
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indeed, you guys are right. i just called up my builder to find out what the standard was. they told me

5/8 osb compressed board. and i upgraded it to 5/8th T&G plywood.
all this time i thought i had upgraded from 1/2 to 5/8th.

what is the difference with the OSB compressed to T&G plywood,

and is it possible to tell the difference?

once again here is the image:

Screen Shot 2013-04-01 at 11.28.46 AM.png

paid about 2 grand, for 2600 sqf.
 
  #13  
Old 04-02-13, 10:30 AM
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The horizontal wood is definitely plywood, the vertical wood on the left of the picture is OSB or Oriented Strand Board. OSB is made from waste wood chips and thermosetting glues, all pressed together between heated plates. Plywood is made by "peeling" logs into thin sheets (plys) and then gluing them together in a similar manner to OSB. Plywood is generally stronger than OSB.
 
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Old 04-02-13, 10:48 AM
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thank you, much appreciate it
 
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Old 04-02-13, 04:23 PM
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OSB is made from waste wood chips and thermosetting glues,
That is what I had always thought but have since found out that while they may use some waste, the majority of the chips come from whole trees that they grind up.
 
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Old 04-02-13, 06:38 PM
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Ah, but the trees they use are so small and scrubby they have no other use so they could be called waste no matter what.
 
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Old 04-02-13, 06:55 PM
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I did work for TJI once. Built a deck out of custom PT paralam. Now, they start with trees, debark them and roll them against a razor type blade that cuts a solid sheet of veneer off until the tree is about 4" around in diameter, then culls it. Where do you think fence posts come from????
 
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