3/4 in x 4 ft x 10 ft USG Sheetrock Brand Ultracode Core Gypsum Panel

An enhanced fire resistance panel.

USG Sheetrock® Brand Ultracode® Core Gypsum Panels can achieve a two-hour fire rating with single-layer construction when used with mineral wool insulation in steel-framed walls.

USG Sheetrock® Brand Ultracode® Core Gypsum Panels use a specially formulated, high-strength core, and are 3/4-inches thick. They can provide 1-, 2-, 3- and 4-hr. fire ratings with fewer layers of gypsum panels than are usually required when used in approved designs.