D0h series is Bofor’s basic flush surfaced weathertight door with individual tight locking handle/dogs, comes with stainless steel hinges and door handles. The frame, door profile and plates on both sides are made of aluminum. Neoprene gasket is positioned on the frame to seal the door tight by dogs. Insulating foam material is clamped between the two plates for heat and sound barrier.  Steel frame is possible as an option.