Promotional value expires 120 days after purchase. Amount paid never expires. Valid only within 25 miles of zip code 20879. Appointment required, same day appointments accepted. Valid for up to 250sq ft of decks patios and floors or 1000sq ft of siding. Limit 1 per person, may buy 1 additional as gift(s). May be repurchased every 30 days. Limit 1 per visit. Limit 1 per household. Must use promotional value in 1 visit(s). Valid only for option purchased. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.