A type l roof hatch permits easier movement for maintenance personnel tools and equipment from a full size stairway.
Roof access stair hatch.
Available in galvanized steel aluminum or stainless steel construction.
If movement of bulky materials through the hatch is anticipated double leaf.
Recommended minimum sizes for various types of roof access are shown above.
Service stair access service stair access roof hatch.
The rht roof hatches thus have a full thermally broken curb and cover and a proven high insulation value of.
U w 0 319 w m k.
These hatches are generally larger in order to accommodate the installation or removal of equipment or machinery into a building.
All open roof hatches regardless of size or.
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.
Nystrom s complete line of roof hatch and safety products meet building codes fire and life safety requirements.
This minimises the chance of condensation forming and guarantees energy cost savings.
For ultimate corrosion resistance and outstanding exterior durability nystrom provides powder coat finish.
All products feature engineered lift assistance for easy one hand operation.
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.
Each roof hatch is tested in the plant to assure smooth opening and closing with one hand.
Nystrom roof hatches provide safe and convenient access to commercial building roof areas using interior ladders and stairs.
Double leaf or two cover roof hatches are also available on the market.
Bilco roof hatches provide safe and convenient access to roof areas by means of an interior ladder ship stair or service stair.
If a ladder is used the hatch may be rather small since the person comes straight up to the roof.
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.
Type l roof hatch service stair 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.
When the length of a hatch reaches 5 5 or longer a 2 point slam lock is used.
For ultimate corrosion resistance and outstanding exterior durability babcock davis provides powder coat finish.
Such hatches shall be located within the stair enclosure and be provided with a stationary noncombustible access ladder or alternating tread device.
