*Discount applied by retailer representative at the time of contract execution and applies to purchase of 4 or more windows Infinity windows and Infinity patio doors only. No other product lines are eligible for the offer. Cannot be combined with other offers. To qualify for discount offer, initial contact for a FREE Window and Door Estimate must be made and documented on or before 6/30/19 with the appointment then occurring no more than 14 days after the initial contact.