The FD30 Fire Rated Door is very popular with those looking for a basic flush door that comes with a 30 minute fire rating & is delivered for freeanywhre mainland UK! The DXF0041 & DXF0053 options are unique in that they can be adjusted to a smaller size in accordance with specific guidelines (please ask us for more information on these guidelines). The DXF options will also have an indicative U-Value of 1.2m-square K/W. 30 minute Fire Rated Doors, Some planning & fire authorities require Intumescent fire & smoke seals to be fitted to the top & sides of these exterior fire doors, they may also want door stops to be 25mm thick & some form of door closer will be required, please remember that the hinges have to be up to a suitable fire standard. The smaller 686mm, 726mm, 826mm, 926mm & the larger 915mm sizes are available below. HOWHDXF0041&DXF0053 & JBC KEXT232