The nail-down flooring need to be nailed to a further subfloor layer. The subfloor layer needs to be thick enough so that nails will not protrude. The Iso-Step® flooring underlayment would reside less than this layer, absolutely free from any penetrating nails. Acoustic underlayment techniques vary with the straight plywood https://rylanqyium.life3dblog.com/37411692/top-latest-five-acoustic-floor-underlay-urban-news