Brand Name: [GMcB oval logo] / FIREBACK

Company: Gladding, McBean and Company.

Brickyard Location: Renton, King County, Washington.

Operating Years: 1927-1962

Years Brick Made: 1935-1962

Type: Firebrick

Description: A low-duty dry-press firebrick split. Brand name in recessed block letters is impressed on the face. GMcB oval logo is on the first line. "FIREBACK" is on the second line in a tight shallow rectangular name plate.