A few weeks back I wrote a blog post suggesting roofing contractors diversify their construction expertise and acquire additional revenue streams by getting into the retrofit roofing market. A ...

The roof of the fire building is a critical area at a structure fire. It is important that the firefighters assigned to the roof are competent, resourceful and constantly aware of changing conditions.

Throughout the 20th century, a number of innovators experimented with fabric as a flexible membrane for the support of fluid concrete, forming structural members. Significant among the early ...