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Old 01-24-2012, 12:23 PM  
greenhands
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Default sub flooring question and need help

Ok folks. I'm glad to be in a forum with experienced people that take the speculation out of hardwood flooring. I just stripped 4 layers of linoleum and wood floor and found particle board. I took up the 3/4 particle board and found it was also under the cabinets too, so I used a rotor zip and a chisel and I scribed around the cabinets leaving particle where it belongs- man! I found some rot in subfloor near the door and will have to replace that, but I noticed a little give (flex) in other areas of floor so I realized that this house is sitting on 1/2 plywood. I think joists are no more than 12 to 16" apart but can verify later time. Guy at Lowes says to use Fir plywood as it is stiffer for flooring needs. Then I start reading 3/4 is th eway to go to alleviate the problems.

My problem is my living room has hardwood and its most likely 1/2 inch. House was built around 61 in New England and the other parts of house have red oak hardood and few areas with small gaps and slight curling in hallway and some creaks - typical stuff. I have to keep 1/2 to make kitchen and living room flush.

Is there anything I need to consider here? Do I just replace all the 1/2 inch I can or have to add to the floor before doing this?

My friend who is a plumber and handy with flooring is willing to help me install only if I have all the prep work done because he hates doing that kind of work and is busy.

Thanks a Million Guys!



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Old 01-24-2012, 01:57 PM  
nealtw
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I would forgo the idea of having a strict requirment for level between the two rooms, remove the 1/2 plywood and use 3/4 Advantech,[looks like osb]



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Old 01-31-2012, 11:21 AM  
greenhands
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Originally Posted by nealtw View Post
I would forgo the idea of having a strict requirment for level between the two rooms, remove the 1/2 plywood and use 3/4 Advantech,[looks like osb]
So then If I kept the 1/2" setup then I'll run into problems? Can I put another 1/2" on top of the other floor? Just trying to save labor time because I have very limited time due to family responsibilities - 1 day a week to work on it if I'm lucky.
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Old 01-31-2012, 11:56 AM  
samfloor
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What if you use engineered wood? It's thinner than hardwood.

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Old 01-31-2012, 12:51 PM  
nealtw
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I'm not suggesting it is good answer but if I did that I would glue and screw it together to make it as close to possible the same as 1" plywood. We did that for an engineer one time, he had use glue somewhat like capenters glue that came in a five gallon pail. Screws long and short were in an 8" grid pattern and no joints lined up with lower plywood joints. He watched us so he could see all screws were in before the glue dryed.



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