Abstract: A cladding element, for use in a building envelope, comprising a first face, a second face and a plurality of edges. One or more of the plurality of edges includes a mating feature configured to resist moisture passage between cladding elements when the cladding elements are installed on a wall or other structure. The mating features of each cladding element including one or more concave arcuate bevelled edges designed to improve the overall aesthetic appearance of the mating interface between adjacent cladding elements when installed on a wall or other structure.
Abstract: A cladding element, for use in a building envelope, comprising a first face, a second face and a plurality of edges. One or more of the plurality of edges includes a mating feature configured to resist moisture passage between cladding elements when the cladding elements are installed on a wall or other structure. The cladding element can include one or more joint features to improve mating between the cladding elements, reduce labor costs, and facilitate moisture drainage from the cladding elements.
Type:
Grant
Filed:
July 16, 2020
Date of Patent:
September 6, 2022
Assignee:
James Hardie Technology Limited
Inventors:
Robert Elliot Everhart, II, Hui Li, Darren Southwell, Matthew Spencer
Abstract: A fiber cement material formulation comprising a cementitious binder, a siliceous material, fiber, alumina trihydrate and a bifunctional low density additive wherein the bifunctional low density additive comprises any one or more of diatomaceous earth, recycled autoclave fiber cement dust or cellulose dust. The fiber cement material formulation optionally further comprises a secondary low density additive which may be perlite. In some embodiments, a fiber cement article manufactured from the fiber cement material formulation comprises a density of approximately 1.1 g/cm3 or below.
Type:
Grant
Filed:
October 20, 2020
Date of Patent:
June 28, 2022
Assignee:
James Hardie Technology Limited
Inventors:
Xiangyuan Liu, Huagang Zhang, Jongmin Keum, Yongjun Chen, Yan Li, Weiling Peng, Thinh Pham, Farshad J. Motamedi, Lijun Mao, Thomas Mueller