Promotional value expires 90 days after purchase. Amount paid never expires. Appointment required. Merchant's standard cancellation policy applies (any fees not to exceed voucher price). Limit 1 per person, may buy 1 additional as gift. Limit 1 per visit. Limit 1 per household. Must use promotional value in 1 visit. Valid only for option purchased. All goods or services must be used by the same person. Valid only in Oakland county. Valid for up to 500 square feet of R19 cellulose attic insulation. Extra fee of $1.25 per square foot for over 500 square feet. Not valid for insulation removal. Not valid for garages. Only valid within 50 miles of zip code 48329. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings