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// CODE SNIPPET

1202.2.2 Openings Into Attic

Building Code 2018 of Illinois > 12 Interior Environment > 1202 Ventilation > 1202.2 Roof Ventilation > 1202.2.2 Openings Into Attic
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Exterior openings into the attic space of any building intended for human occupancy shall be protected to prevent the entry of birds, squirrels, rodents, snakes and other similar creatures. Openings for ventilation having a least dimension of not less than 1/16 inch (1.6 mm) and not more than 1/4 inch (6.4 mm) shall be permitted. Openings for ventilation having a least dimension larger than 1/4 inch (6.4 mm) shall be provided with corrosion-resistant wire cloth screening, hardware cloth, perforated vinyl or similar material with openings having a least dimension of not less than 1/16 inch (1.6 mm) and not more than 1/4 inch (6.4 mm). Where combustion air is obtained from an attic area, it shall be in accordance with Chapter 7 of the International Mechanical Code.

Related Code Sections


1202.2.2 Interior Environment, Openings Into Attic
Exterior openings into the attic space of any building intended for human occupancy shall be protected to prevent the entry of birds, squirrels ...
Building Code 2021 of Illinois > 12 Interior Environment > 1202 Ventilation > 1202.2 Roof Ventilation > 1202.2.2 Openings Into Attic
1202.2.2 Interior Environment, Openings Into Attic
Exterior openings into the attic space of any building intended for human occupancy shall be protected to prevent the entry of birds, squirrels ...
Building Code 2018 of Illinois > 12 Interior Environment > 1202 Ventilation > 1202.2 Roof Ventilation > 1202.2.2 Openings Into Attic
1010.1.1.1 Means of Egress, Projections Into Clear Opening
There shall not be projections into the required clear opening width lower than 34 inches (864 mm) above the floor or ground. Projections ...
Building Code 2021 of Illinois > 10 Means of Egress > 1010 Doors, Gates and Turnstiles > 1010.1 General > 1010.1.1 Size of Doors > 1010.1.1.1 Projections Into Clear Opening
1010.1.1.1 Means of Egress, Projections Into Clear Width
There shall not be projections into the required clear opening width lower than 34 inches (864 mm) above the floor or ground. Projections ...
Building Code 2018 of Illinois > 10 Means of Egress > 1010 Doors, Gates and Turnstiles > 1010.1 Doors > 1010.1.1 Size of Doors > 1010.1.1.1 Projections Into Clear Width
722.2.4.4 Fire and Smoke Protection Features, Columns Built Into Walls
longitudinal reinforcing in the column has cover not less than that required by Section 722.2.4.2. Openings in the wall are protected in accordance ...
Building Code 2021 of Illinois > 7 Fire and Smoke Protection Features > 722 Calculated Fire Resistance > 722.2 Concrete Assemblies > 722.2.4 Concrete Columns > 722.2.4.4 Columns Built Into Walls
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