The ontario building code regulations state that an attic space that is higher than 600 mm must have access from the floor immediately below by either a safe stairway or by a hatch no smaller than 550 mm by 900 mm.
Roof access ladder code requirements ontario.
We will design engineer fabricate inspect and install your fixed access ladder.
Custom colours available to match existing structure.
Roof access hatches served by fixed ladders must be at least 550 mm 21 5 8 in by 900 mm 2 ft 11 in on buildings more than 3 stories in building height where the slope of the roof is less than 1 in 4.
Ontario building code loft or attic stairs the general building code regulations that apply to stairs are as follows.
Fixed access ladders 1 if a fixed ladder is installed to provide access to a roof of a building the design and installation of the attachment and anchorage system for the ladder shall be as described in mmah supplementary standard sb 8 design construction and installation of anchorage system for fixed access ladders.
Where there is a parapet the access egress level would be the roof if the parapet is cut to permit passage through the parapet.