Double Wall Spiral Duct Insulation

It can reduce radiated noise by 25 db or more compared to fiberglass duct board.

Double wall spiral duct insulation.

X degree fahrenheit and 3 inches 0 09 btu hr x sq. 713 672 0509 toll free 877 774 duct 3828. The insulation in our double wall spiral and fittings has both acoustical and thermal benefits. The resilient fiberglass blankets resist damage during fabrication and carry a ul fire hazard classification rating of 25 50.

Standard connections are slip fit with couplings. 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. Dual wall insulated spiral pipe consists of two concentric spiral pipes with insulation filling the space between the pipes.

Spiral sg is made from rotary process glass fibers bonded with a thermosetting resin. Zen s 1 inch insulation has a thermal conductance of 0 27 btu hr x sq. 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. Spiral sg double wall insulation is a thermal and acoustical rotary process fiber insulation designed for use in double wall spiral hvac ducts.

Houston texas 77029 phone. 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 creating erosion or airflow problems. Double wall insulated spiral is available with solid or perforated liners. First there is the larger duct that s visible to everyone.

Spiral sg double wall insulation is a thermal and acoustical insulation designed for use in double wall spiral hvac ducts. Double wall spiral available with insulation thicknesses of 2 inches 0 13 btu hr xsq. 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.

Double wall spiral ducts are as the name suggests comprised of two walls. Mylar barrier is available as a barrier between perforated liner and insulation. Also without unsightly insulation the system is much more aesthetically pleasing. Insulation it is comparatively easy to insulate a double wall spiral duct compared to a rectangle wall duct.

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. Cost dual wall spiral duct is relatively affordable compared to the rectangular wall duct.