Type l roof hatches 30 x 96 762mm x 2438mm are ideal for installations where frequent use may be expected.
Roof access stair hatch.
Galvanized or aluminum acudor ship stair roof hatches are designed to provide convenient economical access to the roof of a building for maintenance.
As the angle of ascent decreases the hatch must be larger to prevent head bumping accidents.
Type l roof hatch service stair access.
Each roof hatch is tested in the plant to assure smooth opening and closing with one hand.
When the length of a hatch reaches 5 5 or longer a 2 point slam lock is used.
Babcock davis roof hatches provide safe and convenient access to commercial building roof areas using interior ladders and stairs.
All products feature engineered lift assistance for easy one hand operation.
All open roof hatches regardless of size or.
If a ladder is used the hatch may be rather small since the person comes straight up to the roof.
Nystrom roof hatches provide safe and convenient access to commercial building roof areas using interior ladders and stairs.
U w 0 319 w m k.
For ultimate corrosion resistance and outstanding exterior durability babcock davis provides powder coat finish.
Available in galvanized steel aluminum or stainless steel construction.
For ultimate corrosion resistance and outstanding exterior durability nystrom provides powder coat finish.
Rht gorter roof hatches provide safe roof access combined of course with exceptional insulation.
Such hatches shall be located within the stair enclosure and be provided with a stationary noncombustible access ladder or alternating tread device.
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.
A variety of special sizes are also available to provide an accessible way to install or remove large pieces of equipment from a building.
A type l roof hatch permits easier movement for maintenance personnel tools and equipment from a full size stairway.
If movement of bulky materials through the hatch is anticipated double leaf.
Bilco roof hatches provide safe and convenient access to roof areas by means of an interior ladder ship stair or service stair.
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.
Recommended minimum sizes for various types of roof access are shown above.
Double leaf or two cover roof hatches are also available on the market.
These hatches are generally larger in order to accommodate the installation or removal of equipment or machinery into a building.
The rht roof hatches thus have a full thermally broken curb and cover and a proven high insulation value of.
Nystrom s complete line of roof hatch and safety products meet building codes fire and life safety requirements.