The non-corrugated, "stock" spiral duct can be used for commercial HVAC applications up to -1.0” WG through 42” diameter, up to -2.0” WG through 34” diameter, and up to -4.0” WG through 16” diameter.  

LEED certification struggles to capture the true impact of energy conservation efforts.

How to fix it condensation that occurs when the surface temperature of the duct falls below the dew point of the ambient air.

Today, all across the US, the world has changed again because of the coronavirus. 

I recently received a somewhat anxious call from a friend in the sheet metal industry. He won a nice duct order, but his submittals were being rejected because he needed to provide published performance data for his duct fittings. 

Did you know that using spiral duct can reduce the number of duct supports you need, as well as reduce the structural size necessary?

Managing design, fabrication, installation and expectations are all important factors in successful exposed ductwork installations. But many contractors overlook one simple task. 

I recently had a son graduate from college. To celebrate, my wife and I took a group out to a week-old new restaurant.