Manufacturers / The BILCO Company

A New Haven, Connecticut maker of roof access hatches and automatic roof smoke vents. Its guide specifications and size tables cover single-leaf ladder, ship-stair and service-stair roof hatches, dome-covered daylighting hatches, single- and double-leaf equipment hatches, thermally broken aluminum hatches, and double-leaf automatic smoke vents with metal, translucent polycarbonate or acoustically rated covers, all mounted on 12 in. insulated curbs with integral capflashing for tying in the roofing. Its specifications state a quality system registered to ISO 9001 and a standard five-year warranty against defects in material and workmanship.