P.O. Box 309 Medford, WI 54451
Customer Service: (800) 826-5509
The Crestline Customer Service toll free number can be busy at times while our representatives are assisting other customers. We recommend contacting us using the email requests forms. It allows our representatives time to fully review and understand your request so they can respond in the most efficient manner.
Please complete the following form to the best of your ability. Asterisked items are required but providing the most information will better assist us in providing you the best service. Thank you.
*The glass code number references the date of manufacture, this is helpful in identifying the product. Please include this reference number, if possible.
Markings are etched in the glass or printed/stamped on one of the four sides of the metal spacer channel which separates the two panes of glass.
Identification Code: