Fire Brick Standard 2 3/8 Thick

x 4 1/8 Wide x 8 3/4 Long. This firebrick is rated for up to 3000 degrees Farenheight.

Kiln Brick - The Ceramic Shop

K23, K26- Insulating Fire Brick (IFB)

8-in x 4-in Red Clay Cored Brick in the Brick & Fire Brick department at

FIRE RESISTANCE RATINGS OF CONCRETE MASONRY ASSEMBLIES - NCMA

Brick & Fire Brick at

FIRE RESISTANCE RATINGS OF CONCRETE MASONRY ASSEMBLIES - NCMA

Hard Fire Brick – Smith-Sharpe Fire Brick Supply

What Kind of Bricks to Use for a Fire Pit?

Arch Supplies —

King Size Brick

US Stove Single Firebrick for Stoves, 4-1/2 in. x 9 in. x 1-1/4 in., Tolerates Up to 2,000 Degrees Fahrenheit at Tractor Supply Co.

ASTM C1088—13 Standard Specification for Thin Veneer Brick Units Made from Clay or Shale (PDF Download)

UL Fire-Rated Westbrook Concrete Block

7 Types of Brick for Home and DIY Projects