In this system, insulation and reinforcing steel are placed inside removable wall forms made of aluminum, wood or steel.

often made of concrete, brick, or wood, are for crash safety or privacy. But those walls were actually constructed for noise reduction. More from Transportation Most people think that the walls ...

A woman who heard strange sounds behind her wall ... noise” in their wall. The wall eventually came down to reveal a gray mass. While it initially looked like a giant dust bunny or drywall ...

A 14-foot-tall concrete wall ... challenge: noise. Located on a 3/4-acre corner lot on a busy Menlo Park street across from a school, the home incorporates a sound wall into its design to block ...

often made of concrete, brick, or wood, are for crash safety or privacy. But those walls were actually constructed for noise reduction. More from Transportation Most people think that the walls ...