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Old 02-01-2010, 09:49 AM   #1
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Replacing Plywood SubFloor ...


we're renovating (go figure) ... and in pulling up the flooring (laminate, linoleum, you name it ... I've noticed several places where there's water damage to the plywood subfloor. not to mention the smell ... (1969 built home).

was just wondering about replacing the subfloor ... does the thickness of plywood differ that much? when would you use 1/2", 3/4" and 5/8" ? should I use tongue & groove? I'll definitely glue & screw - can't stand squeaks ... but was just wondering when you use which thickness.

any info would be great. thanks!

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Old 02-01-2010, 10:47 AM   #2
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Replacing Plywood SubFloor ...


Quote:
but was just wondering when you use which thickness.
Ayuh,... You've got to figure out the Final height you want,+ then build up to it...

Subfloor + underlayment + flooring should equal the height necessary to match whatever is surrounding the area you're workin' on...

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Old 02-01-2010, 01:38 PM   #3
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Replacing Plywood SubFloor ...


Use 3/4" t&g for your subfloor, glued and screwed.
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Old 02-01-2010, 03:32 PM   #4
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Replacing Plywood SubFloor ...


thanks for the info - I guess I thought the thicknesses were for different applications ...

i.e. if the joists were 12" oc you can use something thinner (1/2") or if the joists were 16" oc you should use 3/4" ... or if you were going to apply tile, hardwood, etc blah blah blah.

thanks for the info.
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Old 02-01-2010, 04:57 PM   #5
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Replacing Plywood SubFloor ...


is ply bad or is it just smell. If just smell look into sealing ply or replace bad sheets and seal
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