Curated Firebrick

Beautiful, Durable Heat-Resistant Brick for High-Temperature Applications

Standard Firebrick Options

FireRock offers and stocks 4 standard colors: Buff, Red, Black and Slate Gray.

Our firebrick complies with ASTM standards C1261 and C27 and meets the requirements of local, national and international building codes regarding fireplace and chimney construction and the National Fire Protection Association NFPA-211. A compliant firebrick lining is a minimum 1 ¼” thick on all sides. FireRock recommends using 2 ½” thick firebrick to line the floor and back wall for added heat protection.

Three beige bricks, one standing vertically and two lying horizontally.

Buff I Full, Split or Soap

Three red bricks, one standing upright and two lying flat.

Red I Full, Split or Soap

Two rectangular, dark-gray foam blocks, one standing upright and the other lying flat.

Black (Glazed or Unglazed) I Full or Split

Gray concrete blocks arranged with one block on its side and the other standing upright.

Slate Gray (glazed) I Full or Split

Standard Firebrick Sizing

Buff: 9” (L) x 4” (W) x 2.5” (D)
Red: 9” (L) x 4 1/2” (W) x 2 1/2” (D)
Black (glazed): 9” (L) x 4 1/2” (W) x 2 1/2” (D)
Black (unglazed): 9” (L) x 4 1/2” (W) x 2 1/2” (D)
Slate Gray (glazed): 9” (L) x 4 1/2” (W) x 2 1/2” (D)
Buff: 9” (L) x 4” (W) x 1 1/4” (D)
Red: 9” (L) x 4 1/2” (W) x 1 1/4” (D)
Black (glazed): 9” (L) x 4 1/2” (W) x 1 1/4” (D)
Black (unglazed): 9” (L) x 4 1/2” (W) x 1 1/4” (D)
Slate Gray (glazed): 9” (L) x 4 1/2” (W) x 1 1/4” (D)
Buff: 9” (L) x 2 1/4” (W) x 1 1/4” (D)
Red: 9” (L) x 2 1/4” (W) x 1 1/4” (D)
Black (glazed): Not Available
Slate Gray (glazed): Not Available
Black (unglazed): Not Available