Expansion joints are created through the installation of a soft material, such as wood or foam, along the edges of concrete slabs. The flexibility of these soft materials prevents damage that would ...

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. ASTM ...

Q. There’s a wide ugly gap between my concrete outdoor patio slab and the slab my house is built on. I’m trying to determine whether to caulk the crack or fill it with some cement-based patching ...