§ Chapter 6 IRC 2021
Wall Construction
11 entries from Chapter 6 of IRC 2021, organized by section number. Each entry covers what the code requires, why it exists, what inspectors look for, and common mistakes.
§ 01 Sections
All 11 entries.
Sorted by section number. Click any row for the full entry — answer, requirements, edition diff, related sections.
Section
Title
Question
R602.3
Wood Stud Walls Must Match IRC Size, Spacing, Height, and Fastening Rules
R602.3
What are the basic 2021 IRC rules for wood stud wall framing?
What are the basic 2021 IRC rules for wood stud wall framing?
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R602.6
Wall Stud Holes and Notches Are Limited by Bearing Status and Stud Size
R602.6
How much can you notch or drill a wall stud under the IRC?
How much can you notch or drill a wall stud under the IRC?
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R602.7
Header Size Depends on Opening Width, Loads, Building Width, and Wall Location
R602.7
What size header is required over a window or door?
What size header is required over a window or door?
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R602.7.5
Nonbearing Wall Openings Usually Do Not Need Load-Carrying Headers
R602.7.5
Do nonbearing interior walls need structural headers?
Do nonbearing interior walls need structural headers?
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R602.8
Fireblocking Is Required to Slow Hidden Fire Spread in Wall Cavities
R602.8
Where is fireblocking required in wood framed walls?
Where is fireblocking required in wood framed walls?
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R602.9
Cripple Walls Must Be Framed and Braced as Part of the Lateral System
R602.9
Do cripple walls under a house need bracing or plywood sheathing?
Do cripple walls under a house need bracing or plywood sheathing?
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R602.10
Braced Wall Panels Resist Wind and Seismic Loads in IRC Houses
R602.10
What are braced wall panels and when are they required?
What are braced wall panels and when are they required?
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R602.10.1
Braced Wall Panels Must Be Placed Near Wall-Line Ends and Spaced Correctly
R602.10.1
How close to the end of a wall does a braced wall panel have to be?
How close to the end of a wall does a braced wall panel have to be?
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R602.10.5
Continuous Sheathing Helps Wall Bracing Only When Installed to IRC Details
R602.10.5
Does plywood or OSB on all exterior walls satisfy wall bracing?
Does plywood or OSB on all exterior walls satisfy wall bracing?
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R602.10.6
Narrow Garage Wall Segments Need IRC Portal or Alternate Bracing Details
R602.10.6
Can a narrow wall beside a garage door count as bracing?
Can a narrow wall beside a garage door count as bracing?
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R602.11
Wall Anchorage Must Transfer Wind and Seismic Forces Through the Building
R602.11
How are walls anchored for wind or seismic loads?
How are walls anchored for wind or seismic loads?
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