Spiral SG® Double Wall Insulation is a thermal and acoustical, rotary process, fiber insulation designed for use in double-wall spiral HVAC ducts. To optimize performance, the product is offered in a range of densities and thicknesses. The resilient fiberglass blankets resist damage during fabrication and carry a UL Fire Hazard Classification rating of 25/50.
Service Temp Max: 350°F (177°C)
Recycled Content: 18%