Mendes Light Grey Corsica 1 Light Clear Glazed FD30 Fire Door. A light grey veneered FD30 fire Door. Featuring seven panels and a large, central clear glazed light. Our grey prefinished range of Doors are the latest addition to the Mendes portfolio. They have become very popular with modern living and commercial spaces. The grey corsica has an attractive feature V groove, is manufactured with a real veneer that is impregnated with colour prior to being fully finished. We also offer an FD30 rated fire-Door and glazed options to suit.