Bilco roof hatches provide safe and convenient access to roof areas by means of an interior ladder ship stair or service stair.
Roof access bulkhead.
In buildings four or more stories or more than 40 feet 12 192 mm in height above grade one stairway shall extend to the roof surface through a stairway bulkhead complying with section 1509 2 unless the roof has a slope steeper than 20 degrees 0 35 rad.
A conduit or pipe may cross such clear path in accordance with fc504 4 7.
A variety of special sizes are also available to provide an accessible way to install or remove large pieces of equipment from a building.
Such access shall include to the maximum extent practicable 3 feet 914 mm clearance on three sides of the skylight or scuttle.
In stock and ready to ship.
A 6 to 15 foot long ladder with 5 15 16 inch wide steps wall mount brackets 1 1 4 inch od aluminum handrails.
When planning access to building rooftops roof hatch installation is very effective.
Wall mount ladder w handrail 6 15 ft alaco h60 60 degree ships stair type roof hatch access ladder.
Choose from our selection of roof access ladders including wall mount ladders ladder cages and more.
Alaco h60 ships stair 60 deg.
Moreover hatches have components that contribute to a safe and convenient rooftop entry and exit such as a secure grip or handle and an automatic locking feature.
When equipment is to be added by others these cutouts are fitted with a temporary cover as shown in this image.
Access to setback roof areas may be through a door or window opening to the roof.
In many cases they are combined with critical structural framing to support roof mounted equipment.