... strong and durable.Tube size for jamb is 2x6 in. Tube size for frame is 2x6in.tube size ... jamb, door panels and threshold, it has the function of Sound insulation, Heat insulation and Fire insulation. Heavy ... for safety and building code compliance.We have types of glass, such as aquatex glass, water cube glass, ... are probably to make inward or outward, swing in or swing out. The lockset holes will be ...