Drywall finishing system
A drywall finishing system for finishing 1) normal inside and outside corners of any angle, 2) stub wall or closet corners, 3) window wrap corners, and 4) L-metal for window sills and areas where drywall ends against some other surface like brick. The finishing system comprises a preformed trim piece comprising a semi-rigid member that is relatively thick in the center and tapers laterally to a thin edge. A layer of paper is bonded to the inside surface of the semi-rigid member for receiving joint compound to continuously bond the trim piece to the dry wall; this paper layer can optionally have a layer of adhesive material on its outer surface. A layer of finishing material is bonded to the exterior surface of the semi-rigid member.
1 . A flexible trim piece comprising, in combination:
an elongated, semi-rigid member with first and second surfaces, said first surface divided into a left part and a right part by a longitudinal groove running end-to-end, said groove forming a hinge whereby said member can be flexed about said hinge to produce a selected angle between said left part and said right part;
thin strips of covering material bonded to each of said left and right parts respectively of the first surface of said semi-rigid member, said strips running the length of said semi-rigid member, each of said strips having a layer of adhesive material on an outer surface; and
a thin layer of finishing material on the second surface of said semi-rigid member, said layer running the length of said semi-rigid member, substantially the entire second surface of said semi-rigid member being continuously bonded to said finishing material layer, said finishing material layer adapted to directly receive paint or texture.
2 . A flexible trim piece as in claim 1 , wherein said left and right parts are tapered in a lateral direction to a thin edge.
3 . A flexible trim piece as in claim 1 , wherein said selected angle as measured between the first surface left and right parts is between 15 and 345 degrees.
4 . A flexible trim piece as in claim 1 , wherein said finishing material layer extends laterally beyond said lateral edges of said semi-rigid member, forming left and right side tabs.
5 . A flexible trim piece as in claim 1 , wherein said covering material strips are joint tape paper.
6 . A flexible trim piece as in claim 1 , wherein said finishing material layer is cup stock paper.