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R302.5 Dwelling-garage opening and penetration protection.
Openings and penetrations through the walls or ceilings separating the dwelling from the garage shall be in accordance
with Sections R302.5.1 through R302.5.3.
R302.5.3 Other penetrations.
Penetrations through the separation required in Section R302.6 shall be protected as required by Section R302.11, Item 4.
R302.6 Dwelling-garage fire separation.
The garage shall be separated as required by Table R302.6. Openings in garage walls shall comply with Section
R302.5. Attachment of gypsum board shall comply with Table R702.3.5. The wall separation provisions of Table
R302.6 shall not apply to garage walls that are perpendicular to the adjacent dwelling unit wall.
R302.11 Fireblocking.
In combustible construction, fireblocking shall be provided to cut off both vertical and horizontal concealed draft
openings and to form an effective fire barrier between stories, and between a top story and the roof space.
Fireblocking shall be provided in wood-framed construction in the following locations:
4. At openings around vents, pipes, ducts, cables and wires at ceiling and floor level, with an approved material to
resist the free passage of flame and products of combustion. The material filling this annular space shall not be
required to meet the ASTM E 136 requirements.