The nail-down flooring really should be nailed to an extra subfloor layer. The subfloor layer should be thick sufficient so that nails will not protrude. The Iso-Step® flooring underlayment would reside beneath this layer, absolutely free from any penetrating nails. Influence Insulation Class (IIC), a score system that shows how https://edwardf541yvn9.bmswiki.com/user