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US 2026/0103885 A1Published application
Cementitious Panels with Swellable Materials and Methods of Providing a Moisture or Water Barrier in Cementitious Panels Using Swellable Materials
AssigneeGold Bond Building Products, LLC
InventorsEli Stav, Joseph J. Bailey, Bradley G. Busche, Brian G. Randall
Life of this patent
Estimating the term…
Abstract
Provided are cementitious panel that include a swellable material within a core layer, a dense layer, and/or a sheet of facing material that make up a cementitious panel, as well as methods of manufacturing such cementitious panels that include a swellable material and methods of providing a moisture or water barrier in a cementitious panel.
Claims20
A gypsum panel, comprising:
- a core layer comprising gypsum;
- and
- a plurality of sheets of facing material surrounding the core layer, the plurality of sheets of facing material comprising a first sheet of facing material and a second sheet of facing material sandwiching the core layer, the first sheet of facing material, the second sheet of facing material, or both having a coating applied to the inner surface thereof, the coating comprising a polymer, the polymer being present in the coating in an amount of at least 0.1% by weight of the coating.
A gypsum panel, comprising:
- a core layer comprising gypsum;
- and
- a plurality of sheets of facing material surrounding the core layer, the plurality of sheets of facing material comprising a first sheet of facing material and a second sheet of facing material sandwiching the core layer, the first sheet of facing material, the second sheet of facing material, or both having a coating applied to the inner surface thereof, the coating comprising a swellable material, the swellable material being a polymer, the swellable material being present in the coating in an amount of at least 0.1% by weight of the coating.
Dependencies are inferred from the claim text.