Book a service & get 30% off your second add-on service*. *To qualify, customer must book a minimum of two services in a single transaction. Discount applies to the second add-on service only, which must be of equal or lesser value than the primary service booked. Discount is applied to the lower-priced service at time of booking. Cannot be combined with other offers, discounts, or promotions. Valid for new bookings only. Window gang reserves the right to modify or discontinue this offer at any time without notice.
