You'll have to work from the basement or in the crawlspace but the effort will be worth it. Using a caulking gun, run a line of glue down each side of every floor joist so that the glue firmly secures the adjoining subfloor planks to the joists. educational article
Roll roof your floor for a practically indestructible finish!
Hardwood nature makes it expand and contract depending on the humidity or temperature unlike the laminate flooring, making it easier for moisture to seep through the crevices. In cases whereby moisture gets in, or permanent damage occurs on the base board or the surface, laminate flooring can be easily replaced by simply lifting the boards. advice on installing flooring materials
Laminate flooring Is most suitable for the living room especially.