Our 1920s Fire Doors are very popular in the properties of that era. These fire doors hold two layers of 10mm lippings. Engineered doors are very durable and limit splitting, warping and slight changes in size within seasons. The FD30 fire doors have a solid hardwood core overlapped with A grade veneer. 1920’s and 30’s Fire doors have a single panel at the top and three vertical panels at the bottom. FD30 fire doors provide fire safety of 30 minutes for areas at a higher risk.