Door leaf made from Halspan chipboard, door frame from wood with appropriate density. The door leaf surface may be finished with natural veneer, profiled MDF or HDF board, varnish coat or wood panels.
Door leaves can be solid, glazed, with toplights and sidelights, with appropriate expanding or drop seals. Mortice sash lock.
Doors have handles with steel core made from plastic, aluminium, brass or stainless steel.
After 150,000 open-close cycles, the leaves did not exhibit any damage or abnormalities in operation.