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US 2026/0125318 A1Published application
Fire resistant gypsum panels, and methods
AssigneeGeorgia-Pacific Gypsum LLC
InventorsFabio Enrique ESGUERRA, Allison N. GOINS, Anne H. KSIONZYK, Christopher J. SANDERS, Bryan J. WILTZIUS
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Abstract
Fire resistant gypsum panels are provided herein, with assemblies including the same, and methods for making the same. A gypsum panel includes a set gypsum core and a mat facing material. The set gypsum core includes a fire resistant additive. The fire resistant additive consists essentially of clay, or a non-intumescent fire resistant additive. The panel displays an acceptable fire rating without requiring the use of vermiculite or intumescent materials.
Claims14
A gypsum panel, comprising:
- a set gypsum core comprising a fire resistant additive, the fire resistant additive consisting essentially of clay, wherein the clay is present in the set gypsum core in an amount of from about 0.5 to about 15 weight percent;
- and
- a mat facing material associated with a surface of the set gypsum core,
- wherein the panel displays a fire rating of not less than one hour when constructed as according to ASTM C1396 and tested in accordance with ASTM Test Method E119:
- Standard Test Methods for Fire Tests of Building Construction and Materials.
2 more elements
A gypsum panel, comprising:
- a set gypsum core comprising clay in the absence of any non-clay fire resistant additives present in an amount effective to alter the fire resistance performance of the panel,
- a mat facing material associated with a surface of the set gypsum core,
- wherein the panel displays a fire rating not less than one hour when constructed as according to ASTM C1396 and tested in accordance with ASTM Test Method E119:
- Standard Test Methods for Fire Tests of Building Construction and Materials.
1 more element
Dependencies are inferred from the claim text.