A type l roof hatch permits easier movement for maintenance personnel tools and equipment from a full size stairway.
Stairwell roof access.
A variety of special sizes are also available to provide an accessible way to install or remove large pieces of equipment from a building.
Roof hatches nystrom roof hatches provide safe and convenient access to commercial building roof areas using interior ladders and stairs.
Available in galvanized steel aluminum or stainless steel construction.
When not in use they fold up for a flush fit with the ceiling surface.
1009 13 1 occupancy groups i 1 r 1 and r 2.
Type l roof hatch service stair access type l roof hatches 30 x 96 762mm x 2438mm are ideal for installations where frequent use may be expected.
Access roofs commercial attics and mezzanines from inside with these ceiling mount ladders.
The molded uv stable polycarbonate bases effectively distribute loading to prevent damage to the roof and will not crumble or crack over time like rubber or polypropylene.
All products feature engineered lift assistance for easy one hand operation.
Stairs terminating at the level of a setback shall provide access to the setback roof areas except where the setback is less than 4 feet 1219 mm in width and 10 feet 3048 mm in length measured from the inside of the parapet wall.