Light 1/2 in. x 4 ft. x 10 ft. Gypsum Board - The Home Depot
Sheetrock brand Ultra Light 1/2 in. x 4 ft. x 10 ft. Gypsum Board is the first and lightest 1/2 in. wallboard panels available. ICC-certified for sag resistance, they eliminate the need for separate wall and ceiling panels.
