It can reduce radiated noise by 25 db or more compared to fiberglass duct board.
Double wall spiral duct insulation.
Zen s 1 inch insulation has a thermal conductance of 0 27 btu hr x sq.
Double wall spiral ducts are as the name suggests comprised of two walls.
X degree fahrenheit and 3 inches 0 09 btu hr x sq.
Duct direct 8610 wallisville rd.
It is insulated from the outer parts compared to the rectangle wall duct which has to be insulated from the inner sections.
Mylar barrier is available as a barrier between perforated liner and insulation.
Insulation it is comparatively easy to insulate a double wall spiral duct compared to a rectangle wall duct.
A traditional spiral duct system may be more efficient than the average rectangular duct but double wall spiral ducts offer even more efficiency in terms of energy costs.
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.
It is shipped from the factory with the insulation pre installed reducing job site labor costs.
To optimize performance the product is offered in a range of densities and thicknesses.
Spiral sg double wall insulation is a thermal and acoustical insulation designed for use in double wall spiral hvac ducts.
713 672 0509 toll free 877 774 duct 3828.
Double wall insulated spiral is available with solid or perforated liners.
Cost dual wall spiral duct is relatively affordable compared to the rectangular wall duct.
Spiral sg is made from rotary process glass fibers bonded with a thermosetting resin.
Spiral sg double wall insulation is a thermal and acoustical rotary process fiber insulation designed for use in double wall spiral hvac ducts.
First there is the larger duct that s visible to everyone.
Double wall spiral available with insulation thicknesses of 2 inches 0 13 btu hr xsq.
Dual wall insulated spiral pipe consists of two concentric spiral pipes with insulation filling the space between the pipes.
Standard connections are slip fit with couplings.
Our double wall duct and fittings also control radiated noise better than similar sizes and shapes of externally insulated sheet metal duct.
The resilient fiberglass blankets resist damage during fabrication and carry a ul fire hazard classification rating of 25 50.
Gasketed up to 36 flanged or spiralmate by ductmate industries connections are also available.
Houston texas 77029 phone.
The insulation in our double wall spiral and fittings has both acoustical and thermal benefits.