atomicdogs

I was checking out the Avantech material and it looks like great stuff. I'm a little confused though. You said that you get what you pay for, yet AdvanTech 23/32 x 4 x 8 OSB Subfloor cost $27.97 at Lowes. Is that what you used?

Another question, if I was to put that directly over my subfloor would I have problems with moisture trapped between sheets?

clw1963

I was looking for the advantech as well. $33. Maybe some wrong assumptions were made about your post. Hindsight is usually 20/20. We've all made mistakes. Good luck with your project.


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md2lgyk

Well, I must confess a little confusion myself - it's been more than 6 years since I built my house. I don't remember the Advantech I used looking anything like OSB (the edges weren't even painted). The scraps I still have around don't match the picture I saw online of what Home Depot's Advantech looks like either. Perhaps there are different grades of the stuff?

hand drive

put down tar paper between the sheets. in my opinion no need to have two subfloors ( subfllor material). pick a top layer and go with that... like 3/8 or 1/2" ply. I mentioned luan earlier but probably to thin to effectively float out the original plywood differences.