Large sections of concrete should have joints running across the full width of the slab, ... Fill the new or existing expansion joints with pre-formed expansion joint strips or foam backer rod.

ASTM International has published a standard for a new material used as an expansion joint filler for sidewalks, driveways, curbs, gutter, parking areas, roadways, and other concrete construction.

For the last century, concrete installers have been using asphalt impregnated fiberboard (AIFB) as an expansion joint filler. Today, installers have a new choice in Nomaflex, a closed-cell ...

Heat can take a toll on Jonesboro’s roads and sidewalks, causing concrete to buckle and creating hazards for drivers and pedestrians.

Q:My concrete driveway is in pretty good shape except for the 2-by-4 wooden spacers that separate its segments. After 41 years, some of them have rotted out. All 260 feet of separators need ...