Concrete

After a failed attempt at a merger, Martin Marietta Materials has launched a hostile $4.8 billion offer for its rival Vulcan Materials Co., according to the Wall Street Journal. The deal combines the two largest suppliers of construction aggregates -- one of the chief ingredients of concrete -- in the nation.

The new advanced-technology products are designed to cure quickly and structurally bond cracked and broken concrete.

Oldcastle Architectural, a leading producer of concrete masonry products in North America, has renamed its high-density, pre-finished architectural concrete masonry unit Cordova Stone, according to a company announcement. The rebrand is part of the company’s research and development in artisan stone veneers.

Towson, Md.-based DeWalt launched a new 40-lb. demolition hammer (D25960K), which has been designed to offer contractors elite performance, comfort, durability and ease of use. The D25960K is made for a variety of professionals, including electricians, waterproofers, and mechanical, concrete, demolition and general contractors.