keystone arch frame
Keystone arch frame molded in solid polyurethane encapsulates archways with an ornamental top keystone accent.
Frequently Asked Questions
What is a keystone arch frame?
A polyurethane decorative arch surround features an ornamental keystone at its apex.
Can a keystone arch frame be installed outdoors?
Yes, its waterproof polyurethane composition makes it ideal for exterior facade arches.