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 ...

Concrete is a durable and versatile material found in everything from sidewalks to bridges, but it’s not immune to damage.

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

After conducting a preliminary investigation into Thursday’s closure of the Richmond-San Rafael Bridge due to falling concrete, Caltrans determined it was caused by an expansion joint failure ...