BUILDING-RES ALT

SUPPLY AND INSTALL 3-INCH CLOSED-CELL SPRAY FOAM INSULATION TO THE BASEMENT PERIMETER RIM JOISTS TO AN R-VALUE OF AT LEAST 21. SUPPLY AND INSTALL 4-INCH CLOSED-CELL SPRAY FOAM INSULATION TO THE CRAWLSPACE FLOOR TO AN R-VALUE OF AT LEAST 30. SUPPLY AND INSTALL 3-INCH CLOSED-CELL SPRAY FOAM INSULATION TO THE CRAWLSPACE WALLS AND PERIMETER RIM JOISTS TO AN R-VALUE OF AT LEAST 21 AS SHOWN ON THE SUBMITTED DOCUMENTATION PROVIDED WITH THE CONDITIONS LISTED BELOW