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Old 06-20-2009, 10:36 PM   #1
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RTD plywood


I went to HD looking for CDX plywood but they didn't have it. In the spot where they usually stack CDX, they had RTD plywood. It was Exposure 1, SYP (Southern Yellow Pine) but I have no idea what RTD stands for. Anyone know?

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Old 06-21-2009, 01:37 AM   #2
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http://www.conaxbuffalo.com/case_rtd_plywood.aspx

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Old 06-21-2009, 07:12 AM   #3
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i must be a Real True Dumb@$$, cause i read that page and still don't know what it stands for.
heck, i don't know what CDX stands for either! lol

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Old 06-21-2009, 08:36 AM   #4
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Is RTD the next generation of CDX? Is delaminating a problem with CDX?
Does Exposure 1 mean it's for damp wet conditions?
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Old 06-21-2009, 09:59 AM   #5
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found this.....

Exposure durability classifications are assigned on the basis of raw material composition and
adhesive bond durability. Panels are typically produced to one of two classifications: Exterior or
Exposure 1.
Exterior panels are designed for applications subject to permanent exposure to weather or moisture.
They are fully waterproof. Exposure 1 panels are suitable for uses that are not permanently exposed
to the weather, but where panels must resist effects of moisture due to construction delays, high
humidity, or other conditions of similar severity. Exposure 1 panels have a fully waterproof bond and
are made with the same exterior adhesives used in Exterior-rated panels. However, building products
distributors and builders are cautioned to store panels on skids off the ground and to tarp the unit
when there is potential of heavy rain or snow.
In the case of plywood, Exterior-rated panels are manufactured with C-C and better grade veneers,
while Exposure 1 panels are classed as "Interior with exterior glue" panels because they can be
constructed with veneer of D grade and better.

anything that touches the ground or sits on outside concrete has to be made for "ground contact".
different PT chemicals, and REALLY heavy as it's pretty much soaking wet.....

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Old 06-21-2009, 10:13 AM   #6
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A brief search reveled that CDX has the same rating (Exposure 1), so I guess RTD is the next generation of plywood.
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Old 06-21-2009, 11:12 AM   #7
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RTD - Reduce The Defects
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Old 06-21-2009, 11:22 AM   #8
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Or another one that I found while researching.
RTD = Ready To Delaminate.
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Old 06-21-2009, 11:51 AM   #9
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oh man, you guys are Really Trying Desperately here.....

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Old 06-21-2009, 11:55 AM   #10
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Mouse! C D X C face, D face X exterior glue :}:}

RTD? Ready to take a dump???????????

Seriously tho, from what I read and searched for it seems that RTD is a process used to make the plywood. It supposedly improves the glue bond between layers thru better control of the heat and steam needed, therefore less delamination in use. At least that is what I brought away from reading.

Last edited by skymaster; 06-21-2009 at 12:06 PM. Reason: nudder comment
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Old 06-21-2009, 12:04 PM   #11
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why are you telling me? Clutch was asking...
and it's down the hall, last door on the left.....

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Old 06-21-2009, 12:13 PM   #12
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An RTD is a resistance temperature detector. It is essentially a thermocouple, designed to provide real time, very accurate temperature readings. RTD plywood appears to be exposure grade 1 plywood manufactured using RTD technology to control the temperature of the glue during application and curing. Presumably this makes the plywood superior to CDX plywood, which by the way stands for C face on one side, D face on the other side, exposure grade 1.

CDX is NOT exterior grade plywood. Exterior grade plywood uses superior glues to CDX. Since CDX is exposure grade 1, it is suitable for use as a substrate in damp environments, such as sheathing for roofing, or underlayment for tile. RTD plywood appears to refer to the manufacturing process; the only way to know the exposure class on RTD plywood would be to check the rating on the sheet, it should be stamped on the sheet.
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Old 06-21-2009, 12:24 PM   #13
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Quote:
Originally Posted by DangerMouse View Post
i must be a Real True Dumb@$$, cause i read that page and still don't know what it stands for.
heck, i don't know what CDX stands for either! lol

DM
ROFLOL OK Mouse this is why :}:}

Daniel; thankx all my years I have been told cdX was exterior glue. Never mind ROFLMAO
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Old 06-21-2009, 01:36 PM   #14
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to me it's just always been plain, pressure treated, or ground contact i've ever needed.
i guess i never paid attention to abbr.

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Old 06-21-2009, 02:51 PM   #15
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Yes I am dyslexic OAFMLFOR I just can reads backasswards

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