External Hardwood Derby Lead Sizes:78" x 33" x 44mm (1981mm x 838mm x 44mm) Our fire-rated internal doors are

Our fire-rated internal doors are certified for FD30 1/2-hour fire resistance capability in accordance to BS 476 part 22

Plain Door Knobs Concealed Fix

hence bubble content and design can vary from knob to knob

30 minutes fire rated - FD30

this door can be installed with no further treatment

External Hardwood Derby Lead Sizes:78" x 33" x 44mm (1981mm x 838mm x 44mm) Our fire-rated internal doors areDerby Hardwood External Door The exterior unfinished engineered Hardwood Derby door is a traditional door design fitted with a decorative triple glazed leaded unit. Manufactured with raised mouldings to one side of the bottom raised and fielded panels giving extra detail to an already desirable door.