Questions and Answers for Ekena Millwork 7/8 in. x 59 in. x 9-3/8 in. Polyurethane Dentil Crosshead Moulding

A:  The top is 3 1/8'' deep and the bottom 7/8''.

A:  The width of the crosshead refers to the width at the bottom.

A:  Hello, Polyurethane products are often used on fireplace mantels. The fireplace's firewall is sufficient to protect the items around mantel. It would be treated like a wood product. If needed a fire retardant can be added to the paint for additional protection.