Roof Access Stair Hatch

Bilco roof hatches provide safe and convenient access to roof areas by means of an interior ladder ship stair or service stair.

Roof access stair hatch.

A variety of special sizes are also available to provide an accessible way to install or remove large pieces of equipment from a building. Rht gorter roof hatches provide safe roof access combined of course with exceptional insulation. This minimises the chance of condensation forming and guarantees energy cost savings. Each roof hatch is tested in the plant to assure smooth opening and closing with one hand.

As the angle of ascent decreases the hatch must be larger to prevent head bumping accidents. Nystrom roof hatches provide safe and convenient access to commercial building roof areas using interior ladders and stairs. These hatches are generally larger in order to accommodate the installation or removal of equipment or machinery into a building. Babcock davis roof hatches provide safe and convenient access to commercial building roof areas using interior ladders and stairs.

Such hatches shall be located within the stair enclosure and be provided with a stationary noncombustible access ladder or alternating tread device. Nystrom s complete line of roof hatch and safety products meet building codes fire and life safety requirements. Hatches of length 4 6 or less are equipped with a 1 point zinc plated cablock and any hatch longer than this are equipped with a 2 point cablock. U w 0 319 w m k.

When the length of a hatch reaches 5 5 or longer a 2 point slam lock is used. If a ladder is used the hatch may be rather small since the person comes straight up to the roof. Type l roof hatch service stair access. The rht roof hatches thus have a full thermally broken curb and cover and a proven high insulation value of.

All products feature engineered lift assistance for easy one hand operation. For ultimate corrosion resistance and outstanding exterior durability babcock davis provides powder coat finish. Double leaf or two cover roof hatches are also available on the market. Type l roof hatches 30 x 96 762mm x 2438mm are ideal for installations where frequent use may be expected.

Recommended minimum sizes for various types of roof access are shown above. Available in galvanized steel aluminum or stainless steel construction. In buildings in occupancy group r 2 complying with item 4 of section 1021 2 roof access shall be governed by item 4 6 of such section. Galvanized or aluminum acudor ship stair roof hatches are designed to provide convenient economical access to the roof of a building for maintenance.

All open roof hatches regardless of size or. A type l roof hatch permits easier movement for maintenance personnel tools and equipment from a full size stairway. For ultimate corrosion resistance and outstanding exterior durability nystrom provides powder coat finish.