Patent ID: 7775006
Filing Date: 2010-08-17
Classification: E04B

Abstract:
1. A fire stop wall extension apparatus comprising: a U-shaped element having a length, the element having a base plate running the length of the element, a first side plate disposed downwardly from a first lateral edge of the base plate and a second side plate disposed downwardly from a second lateral edge of the base plate; a first side wall having a length, a top edge and a bottom edge, the top edge of the first side wall having a first contoured geometry, wherein the first side wall is attached to the first side plate of the element; a second side wall having a length, a top edge and a bottom edge, the top edge of the second side wall having a second contoured geometry, wherein the second side wall is attached to the second side plate of the element; and a first protective fitting disposed on the bottom edge of the first side wall and a second protective fitting disposed on the bottom edge of the second side wall.