Round spiral duct forms the backbone of the most efficient means of creating a metal duct system. From initial planning through final installation and on to efficient operation by the customer, round ...

The HVAC contractor that wants to provide the best-suited ventilation solutions for building owners should be adept in both sheet metal duct and fabric duct, or fabric air dispersion as it’s commonly ...

Homeowners want the best performance from their ducts and sheet metal ducts still provide the most durable, efficient and clean air distribution system. In addition to offering superior air flow, the ...

Steel sheet piles have more than a century-long history of being used to support excavations for buried structures (Figure 1). During the construction process, the sheet piles traditionally provide ...