Effective July 15, 2016, TherMark will no longer be accepting online orders. Please contact Ferro customer service at 724-207-2187 to place orders. Thank You!

TherMark is now part of Ferro

Read our press release.

Contact Us

For immediate assistance call:
Phone: 724-207-2070
Toll free - 1-800-245-4951
Fax: 724-207-2068

TherMark Address:

Ferro Corporation
251 West Wylie Ave.
Washington, PA 15301

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