I'm installing a mirage 3/8" hw floor over my current plywood subfloor. To ensure subfloor thickness, I'm installing another 1/2" plywood subfloor first. I have a few questions, and I'd greatly appreciate any advice...
1. Moisture barriers: planning to use 30 lb felt -- Can I put one layer between the old and new subfloors and ALSO between the new subfloor and the hardwood? I'm worried that 2 moisture barriers with plywood in between could cause the plywood to rot or something...
2.how bad is it really to install the hardwood in the direction if the floor joists? It'll look better if I do.
3. Is there a different moisture barrier that I should look at?