Sidewalk Defects: Cracks
CAUSES
Shrinkage of concrete during curing
Improper curing
Deflection of structure
RECOMMENDED REPAIRS
INITIAL COST
EXPECTED LIFE
Do nothing
1/16-in or less in width: Seal with HMWM
$1/SF
Greater than 1/16-in in width: Route out crack and fill with flexible caulking (silicone or urethane)
$2.50/SF
EXAMPLE