Class 7 Base (SB-2)

• 1.5″ minus w/fines
• commonly used for driveways, road base, parking lots, etc.

Class 7 Base material is primarily used in driveways and pathways, and is an excellent wet weather product. It can also be used for pipe bedding. Similar to limestone base, SB2 is derived from Granite rock. Its characteristics include: less susceptible to tracking, harder and less dusty than Limestone.

Class 8 Base

• 1″ minus w/fines
• commonly used for driveways, road base, parking lots, etc.

P-209

• 1.5″ minus w/fines
• commonly used for airport runways, taxi runways