Un-Trenched Hardwood FD30 Door Pair Lining Kit
This un-trenched head door frame kit is ideal for imperial and metric FD30 fire doors up to 1036mm wide by 2168mm high. A simple construction can be achieved by notching or trenching the head at the required position to allow the jambs to be fixed in place.
This interior door frame is suitable for walls up to 110mm thick, the door liner is 32mm thick, and supplied with 15mm x 12mm loose door stops.