R-value of 4.2 when measured per ASTM C518 at 75 deg F mean temperature based on insulating same duct size
• 1-1/4" thickness, 0.75 PCF density glass fiber insulation has a C factor of 0.23
• Formaldehyde free insulation
• This metalized vapor barrier is constructed using fibreglass scrim which provides an outstanding combination of strength and tear resistance
• Perm rating of 0.04 perms when measured per ASTM E96, method A
• Surface burning characteristics less than 25 flame spread, less than 50 smoke developed
  

  Hart & Cooley HC51127

These feature a durable, scuff resistant black polyethylene vapor barrier that provides improved protection against damaging ultra violet light
• Installation is made easy with the reinforcing fiberglass yarn scrim, which acts as a ripstop and helps prevent tearing
• These air ducts feature an R-value of 4.2, 6 or 8 to fit any application and also come in special configurations especially designed for manufactured homes
• Starter cone included in each carTon
  

  Hart & Cooley HC553268

Hart & Cooley HC51122

These feature a durable, scuff resistant black polyethylene vapor barrier that provides improved protection against damaging ultra violet light
• Installation is made easy with the reinforcing fiberglass yarn scrim, which acts as a ripstop and helps prevent tearing
• These air ducts feature an R-value of 4.2, 6 or 8 to fit any application and also come in special configurations especially designed for manufactured homes
• Starter cone included in each carTon
  

  Hart & Cooley HC553269

R-value of 4.2 when measured per ASTM C518 at 75 deg F mean temperature based on insulating same duct size
• 1-1/4" thickness, 0.75 PCF density glass fiber insulation has a C factor of 0.23
• Formaldehyde free insulation
• This metalized vapor barrier is constructed using fibreglass scrim which provides an outstanding combination of strength and tear resistance
• Perm rating of 0.04 perms when measured per ASTM E96, method A
• Surface burning characteristics less than 25 flame spread, less than 50 smoke developed

Hart & Cooley HC51123

Two plies of black polyester film encapsulate a steel wire helix
• Rated pressures (UL-181): 12" WC positive
• Formaldehyde free insulation certified by UL and the air diffusion council in accordance with ADC flexible duct performance and installation standards using ASTM C-518 at installed wall thickness on flat insulation only
• This metalized vapor barrier is constructed using fibreglass scrim which provides an outstanding combination of strength and tear resistance
• Perm rating of 0.04 perms when measured per ASTM E96, method A
• Plain ends
• Packaged in box
• Surface burning characteristics less than 25 flame spread, less than 50 smoke developed

Hart & Cooley HC51043

R-value of 4.2 when measured per ASTM C518 at 75 deg F mean temperature based on insulating same duct size
• 1-1/4" thickness, 0.75 PCF density glass fiber insulation has a C factor of 0.23
• Formaldehyde free insulation
• This metalized vapor barrier is constructed using fibreglass scrim which provides an outstanding combination of strength and tear resistance
• Perm rating of 0.04 perms when measured per ASTM E96, method A
• Surface burning characteristics less than 25 flame spread, less than 50 smoke developed
  

  Hart & Cooley HC51126