DUR-RED

Metal roof hatches; Equipment hatches being metal roof or floor hatches; Metal smoke vents for ventilation in buildings; Metal skylights; Safety products for roof hatches, namely metal railings, safety posts and grab bars

Nonmetal roof hatches; Equipment hatches being nonmetal roof or floor hatches, nonmetal smoke vents for ventilation in buildings; Nonmetal skylights; Safety Products for roof hatches, namely, nonmetal railings, safety posts and grab bars