// CODE SNIPPET
R502.10 Framing of Openings
JUMP TO FULL CODE CHAPTER
Openings in floor framing shall be framed with a header and trimmer joists. Where the header joist span does not exceed 4 feet (1219 mm), the header joist shall be a single member the same size as the floor joist. Single trimmer joists shall be used to carry a single header joist that is located within 3 feet (914 mm) of the trimmer joist bearing. Where the header joist span exceeds 4 feet (1219 mm), the trimmer joists and the header joist shall be doubled and of sufficient cross section to support the floor joists framing into the header.
Related Code Sections
R502.10 Floors, Framing of Openings
Openings in floor framing shall be framed with a header and trimmer joists. Where the header joist span does not exceed 4 feet (1219 mm), the header ...
R502.10 Floors, Framing of Openings
Openings in floor framing shall be framed with header and trimmer joists. Where the header joist span does not exceed 4 feet (1219 mm), the header ...
R802.9 Roof-Ceiling Construction, Framing of Openings
Openings in roof and ceiling framing shall be framed with header and trimmer joists. Where the header joist span does not exceed 4 feet (1219 mm ...
Los Angeles Residential Code > 8 Roof-Ceiling Construction > R802 Wood Roof Framing > R802.9 Framing of Openings
R802.9 Roof-Ceiling Construction, Framing of Openings
Openings in roof and ceiling framing shall be framed with header and trimmer joists. Where the header joist span does not exceed 4 feet (1219 mm ...
Los Angeles Residential Code > 8 Roof-Ceiling Construction > R802 Wood Roof Framing > R802.9 Framing of Openings
2304.3.2 Wood, Framing Over Openings
over window and door openings in load-bearing walls and partitions ...
Los Angeles Building Code > 23 Wood > 2304 General Construction Requirements > 2304.3 Wall Framing > 2304.3.2 Framing Over Openings