Many contractors have a comfort zone when it comes to the type of ductwork they prefer to use. In many cases, this comfort zone can be outlined by various factors, such as product cost, availability, ...

Northeastern Sheet Metal Inc. of Goffstown, N.H., recently purchased a spiral duct elbow machine from Standard Sheet Metal Machinery of Cedar Rapids, Iowa. NESM officials said they bought the model SE ...

DENVER--(BUSINESS WIRE)-- Johns Manville (JM), a Berkshire Hathaway company and leading building products manufacturer, announced the release of VVSD (very, very small diameter) Spiracoustic Plus® ...