Elmdor/Stoneman Manufacturingmanufactures an extensive line of access doors, roof hatches and roof flashing assemblies. Elmdor/Stoneman is known throughout the building industry as having the widest variety of standard access doors of any manufacturer. Our nationwide distribution network plus strategically located warehouses allow us to effectively satisfy our customers' requirements. We regularly stock and supply Fire Rated, Dry Wall, Acoustic Ceiling, Metal Lath, Security and Vandal Resistant Access Doors. Elmdor/Stoneman roof flashings are designed for flashing all roof penetrations. Our Roof Flashings are made of seamless lead and are available with counter flashing and vandal resistant flash hoods made of UV resistant PVC or cast iron.