Patent ID: 11885138
Assignee: CLARKWESTERN DIETRICH BUILDING SYSTEMS LLC
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 18:
19. A wall assembly comprising:
a. a first wallboard panel comprising a first edge;
b. a second wallboard panel comprising a second edge, wherein the second wallboard panel is positioned adjacent to the first wallboard panel with a gap between the first edge of the first wallboard panel and the second edge of the second wallboard panel, wherein the first wallboard panel and the second wallboard panel are positioned such that the first edge of the first wallboard panel faces the second edge of the second wallboard panel; and
c. a control joint, wherein the control joint is positioned adjacent to the gap and comprises
i. a first flange and a second flange;
ii. a flex portion positioned between the first flange and the second flange;
iii. a first leg, wherein the first leg extends from the first flange at a first end of the first leg, wherein the first leg comprises a first surface that faces the flex portion; and
iv. a first strip positioned on at least a portion of the first surface of the first leg;

d. wherein the control joint is positioned within the wall assembly such that the first leg is positioned between the first edge of the first wallboard panel and the flex portion and at least a portion of the flex portion is positioned within the gap.