brick is a ceramic masonry block commonly made of clay. see also: brick bonds

There are two types of brick, Common Brick and Face Brick:

Common Brick- there are 3 grades of common brick:

• SW- Severe Weathering- can withstand high moisture, and is commonly located below grade
• MW- Moderate Weathering- can be exposed to the elements, and commonly appears in exterior above grade conditions
• NW- Non Weathering Brick- commonly used in interior applications, or as a backup for a veneer

Face Brick- there are 2 grades of face brick:

• SW- Severe Weathering- can withstand high moisture, and can extend in a veneer wall below grade
• MW- Moderate Weathering- can be exposed to the elements

There are three categories of brick, based upon their appearance:

• FBX- Free of Defects, minimal color and size variation
• FBS- Some color and size variation
• FBA- Everything is non-uniform

There are also specialized bricks for unique applications, including:

• Acid-Resistant Brick