Products Include: Air plenum doors; blast doors; hanger doors - bottom rolling doors, aperture doors, flat fold doors, round the corner doors, tail doors, vertical lift doors; large scale acoustic doors; bladder seal doors; RF/EMI shielded doors - anechoic chamber doors, radiation shielded doors, RF shielded doors; misc. special application doors/hatches; "big door" hardware; repair/refurbish. In house design and engineering; onsite consultation and engineering survey; complimentary engineering support during conceptual design; worldwide installation capability; complete door maintenance repair and service.