Dur-Red LHG Ladder Hatch 36 x 60, SteelDur-Red are the Designers & Manufacturers of Quality Doors, Hatches, Skylights & Vents.Dur-Red LHG Ladder Hatch 36 x 60, Steel Features:• Curb and curb frame and lid shall be 14 gauge galvanized steel• Fully welded and ground smooth for absolute weather tightness• Completely assembled with "heavy-duty" 3/16" galvanized pivot hinges; • Lid to have a fiberglass insulation, protected by a 22 gauge lid liner• Inside, outside handles with padlocking provisions• "Heavy-duty" air-flow pressure intensifier control• Automatic hold-open and operating arms with red vinyl handle grip• bulb-neoprene seal.
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