I think that what I see, after the carpet was removed, is the
underlayment, not the subfloor. It's 5/8" thick, but there's about
1/8" spacing between the sheets. That's why I think it's the
Due to the state it's in, I'm thinking about laying 1/8" sheets to glue
the floor on. I say 1/8" to limit the height increase.
I'm using this product:
Nailing does seem to be faster, but because downstairs it'll be
installed over the concrete slab, I thought that gluing down in all the
house would be fine.
Besides, Bruce says that it can be stapled down. Is it any different
from nailing down?