Double Wall Insulated Spiral Duct Cost

With no metal inner shell the product is lighter in weight as much as 30 lighter in many sizes. Biyang double wall spiral duct is made of big spiral duct outside insulation in the middle and small spiral duct inside. Biyang double wall spiral duct is also named dual wall spiral pipe double wall round duct and double wall insulated duct.

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No painting required will last years outdoors.

Double wall insulated spiral duct cost. Double wall duct and fittings can reduce radiated noise by 25 db or more compared with fiberglass duct board and by 30 db or more com pared with insulated flexible duct. Dual wall also called double wall insulated spiral pipe. From 1992 nme installed cost of insulated medium pressure rectangular duct at 6 88 ft2 versus 6 52 comparative cost for installed double wall round spiral duct 3 35 ft2 installed single wall round spiral x 2 3 double wall mark up x 0 92 ft2 adjustment x 0 92 duct sealing adjustment. Our double wall duct and fittings also control radiated noise better than similar sizes and shapes of externally insulated sheet metal duct.

In double wall round spiral duct a metal inner liner insures that high airflow velocities cannot separate insulation by pulling away from the duct s outer wall and. Smc double wall round spiral duct is a dependable erosion resistant alternative to lined round spiral duct providing improved protection for insulation exposed to the airstream. Duct direct 8610 wallisville rd. Spiral pipe diameter available in 3 inch to 36 inch diameter.

A double walled acoustic insulated spiral duct consists of an external pressure tight metal shell a 12 5 25 50mm thickness of fiber glass mineral wool insulations and an internal perforated protective metal liner and fiber glass tissue between the perforated liner and insulation material. It is a kind of metal duct designed and produced to offer an excellent acoustical and thermal function for hvac ductwork applications. Spiral pipe gauge we manufacture spiral pipe in 18 20 22 24 gauge galvanized metal. Dual wall insulated spiral pipe consists of two concentric spiral pipes with insulation filling the space between the pipes.

Spiral pipe of texas single wall insulated duct with spiracoustic plus liner may have some advantages for your project over traditional double wall insulated products. Spiral ductwork 34 35 filters 36 vibration isolation 37 38 vav diffusers 39 air terminals 39 sheetmetal ducts elbows fittings 40 41 sheetmetal accessories 42 43 b vent flue pipe 44 gauges thermometers 45 introduction to fan selection 46 line card 47. Stronger than other pipe our pipe is up to 20 stronger than smooth pipe systems of the same gauge due to the added spiral reinforcement. Houston texas 77029 phone.

It is shipped from the factory with the insulation pre installed reducing job site labor costs. 713 672 0509 toll free 877 774 duct 3828.