Basement Insulation

• Defined as basement, crawlspace or other unconditioned space directly below a conditioned living area
• Upgraded by insulating:
  1. Foundation walls from 2 feet below grade to underside of first floor (including sill and band joist) with minimum 2” rigid or closed-cell spray foam, or
  2. Basement or crawlspace ceiling with either dense-pack insulation or minimum 2” of foam
  3. Mobile home underbelly with blown fiberglass insulation
• Batt insulation not eligible for rebates
• Upgrade must be followed by a Building Performance Institute (BPI) Safety Test
• Code-approved fire protection was added to foam insulation when applicable