Oak Wiltshire FD30Oak Wiltshire FD30 Prefinished Internal Fire Door Traditional styling meets modern fire safety. The Oak Wiltshire FD30 Prefinished Fire Door brings the classic panel door aesthetic into the fire door range, offering a competitively priced FD30 solution that is as attractive as it is compliant. A Classic Design With Fire Door Credentials Grooved into MDF with 10mm solid lippings and a solid core, the Wiltshire FD30 is built to the exacting standards