LPD Doors Doors offer this DX 60’s style Oak Fire door. Manufactured with a bygone era in mind, following the original design and style of this door, from many years ago, with its beaded effect panels. These door are supplied with 6 flat panels, and wide mid and bottom rails, to give real authenticity. These FD30 DX60 style doors meet that traditional look, using modern manufacturing techniques. Designed to meet the requirement of the UK Building Regulation in preventing the spread of fire for 30 minutes.