Patent ID: 8769912
Filing Date: 2014-07-08
Classification: E04B,E04F,Y10T

Abstract:
1. A method of fabricating a board, comprising the steps of: providing a first wood layer, having a first upper wood surface, a second lower wood surface, a first wood lateral edge, a second wood lateral edge opposite the first lateral edge, and opposing ends, said first wood layer having a length and a width; milling said first wood layer from said first wood lateral edge or said second wood lateral edge towards said second wood lateral edge or said first wood lateral edge, respectively, forming a plurality of hollow regions spaced from one another along the length, each of said plurality of hollow regions being milled between said first upper wood surface and said second lower wood surface of said first wood layer, each of said plurality of hollow regions formed along the length of said first wood layer and extending generally the width of said first wood layer or the whole width of said first wood layer; embedding a sound attenuating element within and filling each of said plurality of hollow regions, said sound attenuating element having a first upper side and a second lower side, said first upper side covered completely by said first upper wood surface and said second lower side covered completely by said second lower wood surface.