Patent ID: 6131700
Filing Date: 2000-10-17
Classification: E04G

Abstract:
A fiber reinforced composite board, comprising:a permeable core mat having a plurality of flow channels extending from a first side of the permeable core mat to a second side of the permeable core mat;a resin mixture filling each of said flow channels and extending from the first side to the second side of the mat through said flow channels, and the resin mixture also extending over the first and second sides of the mat to form a thin cover layer of resin mixture on each side of the mat;a first fiberglass sheet secured to the cover layer of resin mixture on the first side of the permeable core mat; anda second fiberglass sheet secured to the cover layer of resin material on the second side of the permeable core mat, the resin mixture forming structural supports extending between the first fiberglass sheet and the second fiberglass sheet through the flow channels.