A bolection mould is a moulding which projects beyond the face of a frame or panel, usually found in doors and cupboards, especially when the meeting surfaces are at different levels. Qwood have a double rebated bolection mould.
For more information about bolection moulds please visit http://www.quantumprofilesystems.com/en/brands/qwood/door-profiles/double-rebate-bolection-mould-qw-dbm1-coming-soon