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// CODE SNIPPET

406.3.2.1 Dwelling Unit Separation

Building Code 2018 of Illinois > 4 Special Detailed Requirements Based on Occupancy and Use > 406 Motor-Vehicle-Related Occupancies > 406.3 Private Garages and Carports > 406.3.2 Separation > 406.3.2.1 Dwelling Unit Separation
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The private garage shall be separated from the dwelling unit and its attic area by means of gypsum board, not less than 1/2 inch (12.7 mm) in thickness, applied to the garage side. Garages beneath habitable rooms shall be separated from all habitable rooms above by not less than a 5/8-inch (15.9 mm) Type X gypsum board or equivalent and 1/2-inch (12.7 mm) gypsum board applied to structures supporting the separation from habitable rooms above the garage. Door openings between a private garage and the dwelling unit shall be equipped with either solid wood doors or solid or honeycomb core steel doors not less than 13/8 inches (34.9 mm) in thickness, or doors in compliance with Section 716.2.2.1 with a fire protection rating of not less than 20 minutes. Doors shall be self-closing and self-latching.

Related Code Sections


406.3.2.1 Special Detailed Requirements Based on Occupancy and Use, Dwelling Unit Separation
The private garage shall be separated from the dwelling unit and its attic area by means of gypsum board, not less than 1 / 2 inch (12.7 mm ...
Building Code 2018 of Illinois > 4 Special Detailed Requirements Based on Occupancy and Use > 406 Motor-Vehicle-Related Occupancies > 406.3 Private Garages and Carports > 406.3.2 Separation > 406.3.2.1 Dwelling Unit Separation
1301.6.4 Performance Compliance Methods, Tenant and Dwelling Unit Separations
Evaluate the fire-resistance rating of floors and walls separating tenants, including dwelling units, and not evaluated under Sections 1301.6.3 ...
Existing Building Code 2018 of Illinois > 13 Performance Compliance Methods > 1301 General > 1301.6 Evaluation Process > 1301.6.4 Tenant and Dwelling Unit Separations
420.2 Special Detailed Requirements Based on Occupancy and Use, Separation Walls
Walls separating dwelling units in the same building, walls separating sleeping units in the same building and walls separating dwelling ...
Building Code 2018 of Illinois > 4 Special Detailed Requirements Based on Occupancy and Use > 420 Groups I-1, R-1, R-2, R-3 and R-4 > 420.2 Separation Walls
812.5 Special Rooms, Spaces and Elements, Laundry Facilities
Laundry equipment provided within individual accessible dwelling units, and separate laundry facilities that serve one or more accessible dwelling ...
2018 Illinois Accessibility Code > 8 Special Rooms, Spaces and Elements > 812 Dwelling Units in Multi-Story Housing > 812.5 Laundry Facilities
711.2.4.3 Fire and Smoke Protection Features, Dwelling Units and Sleeping Units
Horizontal assemblies serving as dwelling or sleeping unit separations in accordance with Section 420.3 shall be not less than 1-hour fire ...
Building Code 2018 of Illinois > 7 Fire and Smoke Protection Features > 711 Floor and Roof Assemblies > 711.2 Horizontal Assemblies > 711.2.4 Fire-Resistance Rating > 711.2.4.3 Dwelling Units and Sleeping Units
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