Attic Insulation

• Attic must be air sealed prior to or as part of insulating the attic
• Attic must be insulated to one of the following levels:
  1. Open attic insulated to at least R49
  2. Enclosed cavities filled to capacity with dense-pack insulation
  3. A minimum of 5” of closed-cell spray foam
  4. Closed-cell spray foam applied to within 1.5” of the surface of cavities that were subsequently enclosed
• Batt insulation not eligible for rebates
• All exhaust fans must be ducted outside the home
• Upgrade must be followed by a Building Performance Institute (BPI) Safety Test
• Code-approved fire protection must be added to foam insulation when applicable