Available in galvanized steel aluminum or stainless steel construction.
Roof access stair hatch.
For ultimate corrosion resistance and outstanding exterior durability nystrom provides powder coat finish.
A type l roof hatch permits easier movement for maintenance personnel tools and equipment from a full size stairway.
All products feature engineered lift assistance for easy one hand operation.
If a ladder is used the hatch may be rather small since the person comes straight up to the roof.
A variety of special sizes are also available to provide an accessible way to install or remove large pieces of equipment from a building.
As the angle of ascent decreases the hatch must be larger to prevent head bumping accidents.
Type l roof hatches 30 x 96 762mm x 2438mm are ideal for installations where frequent use may be expected.
Nystrom s complete line of roof hatch and safety products meet building codes fire and life safety requirements.
Double leaf or two cover roof hatches are also available on the market.
These hatches are typically located over a ladder or staircase that provides access to the roof.
Galvanized or aluminum acudor ship stair roof hatches are designed to provide convenient economical access to the roof of a building for maintenance.
Recommended minimum sizes for various types of roof access are shown above.
Babcock davis roof hatches provide safe and convenient access to commercial building roof areas using interior ladders and stairs.
Rht gorter roof hatches provide safe roof access combined of course with exceptional insulation.
Service stair access service stair access roof hatch.
If movement of bulky materials through the hatch is anticipated double leaf.
All open roof hatches regardless of size or.
Each roof hatch is tested in the plant to assure smooth opening and closing with one hand.
For ultimate corrosion resistance and outstanding exterior durability babcock davis provides powder coat finish.
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.
Bilco roof hatches provide safe and convenient access to roof areas by means of an interior ladder ship stair or service stair.
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.
This minimises the chance of condensation forming and guarantees energy cost savings.
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.
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.
