Please submit products and materials for this section by using the "submit an item" link at top right of page.
For engineers, materials scientists, architects and inventors who need detailed information on the properties of materials, please visit MatWeb, a searchable database of material properties with more than 93,000 entries.
EverClean flexible, insulated ducts resist and inhibit the growth of mold and mildew. All components are flame-resistant and self-extinguishing and will not deteriorate in a fire. Everclean is Greenguard Certified for stringent indoor air quality and is an Energy Star partner. A lifetime warranty is provided to the original homeowner.
Everclean consists of a heavy spring steel wire helix surrounded by a reinforced bidirectional jacket. Fiberglass insulation provides R-8 value, and a woven, coated fiberglass cloth core won't tear, unravel or puncture.