US 11,946,247 B2
Relating to fire rated movement joints
Daniel Philip Reid, Manchester (GB); Ian Hainsworth, Leyland (GB); and Rupert Coggon, Ludlow (GB)
Assigned to TENMAT LIMITED, Manchester (GB)
Filed by TENMAT LIMITED, Manchester (GB)
Filed on Dec. 22, 2022, as Appl. No. 18/087,747.
Claims priority of application No. 2205583.4 (GB), filed on Apr. 14, 2022.
Prior Publication US 2023/0332400 A1, Oct. 19, 2023
Int. Cl. E04B 1/94 (2006.01); E04B 1/00 (2006.01)
CPC E04B 1/947 (2013.01) [E04B 1/948 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A fire rated movement joint for an internal compartment wall, comprising:
a wall track;
a wall board arranged at least partially overlapping the wall track with a gap therebetween;
a fire barrier comprising an intumescent strip and a scrim enclosing the intumescent strip, wherein the intumescent strip is at least partly arranged within the gap between the wall board and the wall track, and the scrim comprises a gusset into which the intumescent strip expands when reacting to heat.