We use the finest raw material available to us. All Material is kiln dried and warehoused in a controlled environment. All doors are constructed from solid material. We have any species available, domestic or exotic. Mortis and tendon joinery is used in the construction of the door slab. Exterior doors - 2" x 2 3/8" thick (2" standard). Interior doors- 1 1/4" x 1 3/4" thick (1 3/8" standard). Emtek hardware and finish color matching availble.