When the schemes compared key factors between the concrete barrier and its steel counterpart, they determined that the concrete option was a safer alternative, offering a longer design life ...

A concrete barrier, he said ... However, the Supreme Court - the highest federal court in the US - has allowed barrier construction using the funds to continue pending the appeals process.

VaporBlock G is an under-concrete-slab vapor barrier produced with a layer of post-consumer recycled content, qualifying under the LEED Building Design and Construction 2009 Edition, Materials and ...