Hard Fire Bricks (High Density / Super Duty) - Foundry Service & Supplies, Inc.

Foundry Service supplies Hard “Super Duty” and “Medium Duty” Fire Bricks that are rated for superior strength in applications of over 3000ºF (1650ºC). They exhibit low shrinkage, excellent thermal shock resistance, and good resistance to alkali and carbon monoxide disintegration.

GIRtech

Brick: Dense/Insulating - Fire Brick Engineers

Hard Brick, Refractory Fire Bricks

Enhanced Thermal Conductivity: GIRtech USM-6 fire bricks offer improved thermal conductivity compared to traditional chamotte products. Experience superior heat transfer and distribution, maximizing the efficiency of your heating units. High Refractoriness and Versatile Use: With a refractoriness of 2760 degrees Fahrenheit, these fire bricks are suitable for various domestic heating units.

GIRtech USM-6 Heavy Duty Fire Bricks for Forge 2760F Pack of 6 Fire Pit, Wood Stoves, Fireplaces, Steel Furnaces, Ceramics Kilns, Blacksmith

GIRtech

Use these intermediate duty fire bricks to build new fireplaces, replace old or broken bricks in existing fixtures, in wood or coal stoves, furnaces and fireplace inserts. Use our Refractory Cement (610) for mortar. The bricks measure 9 x 4-1/2 x 1 1/4.

Rutland Products Fire Brick

Clay Material Fire Bricks - Can withstand high temperature of 2700F, has strong thermal insulation performance, help you save woods and money.

Fire Bricks, Woodstove Firebricks, Size 9″ x 4-1/2″ x 1-1/4″, 4-Pack, Insulating Fire Bricks, Clay Firebricks Replacement for Wood Stoves, Fireplaces

Super Duty Fire Brick Splits & Straights (Hard Brick)

CORPATCH® 80 – Smith-Sharpe Fire Brick Supply

Hard Firebrick, Super Duty, High Alumina

Brick Lehigh Valley Refractories

Refractory Fire Bricks Kiln Building Fire Brick