Please look at pictures above for measuring explanations. WE WILL REQUIRE A TEMPLATE OF ARCH ON YOUR FIREPLACE IN ORDER TO ENSURE AN EXACT FIT AVAILABLE AS OVERLAP OR INSIDE FIT- FOR FIREBOX OPENING SIZE: All measurements up to 44"w x 31"h will qualify for price above. All measurements up to 50"w x 39"h add $125 to the price above. Lead time 2-3 weels for stock doors and 4-6 weeks for custom fireplace doors. Custom doors are non-refundable once construction has begun. Thermo-Rite doors are made in the U.S.A. Benefits: Life guarantee on glass Tarnish free frames mean no polishing! Many styles and finishes to choose from Mounting hardware and instructions included The Heritage Arch is a 1/4" welded steel plate enclosure with either a 1 3/4" or 2 1/2" wide frame in a laser cut full arch design. It is available as an inside or overlap fit. For special requirements, shapes or sizes, please call 1(888)FPDOOR1 for a quote. "Wow! My product arrived after three days. Thanks for the fast shipping, I am glad I ordered here. My friend ordered from a different site and it took six weeks for the item to arrive!!! Keep up the good work." Mary Clarke, CA