Adding backband to door casing/baseboard sizing?

Doors and Windows Molding Designs and Diagrams

4 Tricks to Match Old Trim - The Craftsman Blog

Casing a Door for Wainscoting (backband architrave)

Base Moulding - Shop Products Available at Sears Trostel Lumber & Millwork in Fort Collins, CO

How To Choose Baseboards: A DIY Guide

MLD10004361 1 1/8-Inch H x 3/4-Inch P x 96-Inch L Backband

Ekena Millwork 4-1/2 in. x 1-1/4 in. x 96 in. Back Band Casing Moulding, PVC CAS05X01X96BBSWPV - The Home Depot

Santa Fe Casing, San Francisco, CA

Adding backband to door casing/baseboard sizing?

Molding & Trims - Door Casing - Pine Colonial Back Band Door Casing

13/16 x 1-13/16 x 8FT Poplar Modern Square Unprimed Backband Trim – Cambridge Crown and Trim

Adding backband to door casing/baseboard sizing?