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Chapter 6 — WALL CONSTRUCTION

Section R605

California Residential Code (Title 24, Part 2.5) · 2022 edition · updated 2026-09-12 · California

Italicized text is a California amendment to the model code, as printed in the official publication.

R605.1 Identification and grade.

Particleboard shall conform to ANSI A208.1 and shall be so identified by a grade mark or certificate of inspection issued by an approved agency. Particleboard shall comply with the grades specified in Table R602.3(4).

Copyright © 2022 by, or licensed to, International Code Council, Inc. (ALL RIGHTS RESERVED); licensed to California Building Standards Commission pursuant to License Agreement. No further reproductions is authorized. Any unauthorized reproduction or distribution is a violation of the federal copyright act and the license agreement, and subject to civil and criminal penalties thereunder.

WALL CONSTRUCTION

TABLE R603.9.5(1) REQUIRED LENGTH OF FULL-HEIGHT SHEATHING AND ASSOCIATED OVERTURNING ANCHORAGE FOR WALLS SUPPORTING WALLS WITH STONE OR MASONRY VENEER AND USING 33-MIL COLD-FORMED STEEL FRAMING AND 6-INCH SCREW SPACING ON THE PERIMETER OF EACH PANEL OF STRUCTURAL SHEATHING

SEISMIC
DESIGN
CATEGORY
STORY BRACED WALL LINE LENGTH (feet) SINGLE-STORY
HOLD-DOWN
FORCE
(pounds)
CUMULATIVE
HOLD-DOWN
FORCE
(pounds)
SEISMIC
DESIGN
CATEGORY
STORY 10 20 30 40 50 60 60 60
SEISMIC
DESIGN
CATEGORY
STORY Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
D0 3.3 4.7 6.1 7.4 8.8 10.2 3,360
D0 5.3 8.7 12.1 15.4 18.8 22.2 3,360 6,720
D0 7.3 12.7 18.0 23.4 28.8 34.2 3,360 10,080
D1 4.1 5.8 7.5 9.2 10.9 12.7 3,360
D1 6.6 10.7 14.9 19.1 23.3 27.5 3,360 6,720
D1 9.0 15.7 22.4 29.0 35.7 42.2 3,360 10,080
D2 5.7 8.2 10.6 13.0 15.4 17.8 3,360
D2 9.2 15.1 21.1 27.0 32.9 38.8 3,360 6,720
D2 12.7 22.1 31.5 40.9 50.3 59.7 3,360 10,080

For SI: 1 mil = 0.0254 mm, 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound-force = 4.448 N.

6-92 2022 CALIFORNIA RESIDENTIAL CODE

Copyright © 2022 by, or licensed to, International Code Council, Inc. (ALL RIGHTS RESERVED); licensed to California Building Standards Commission pursuant to License Agreement. No further reproductions is authorized. Any unauthorized reproduction or distribution is a violation of the federal copyright act and the license agreement, and subject to civil and criminal penalties thereunder.

WALL CONSTRUCTION

TABLE R603.9.5(2) REQUIRED LENGTH OF FULL-HEIGHT SHEATHING AND ASSOCIATED OVERTURNING ANCHORAGE FOR WALLS SUPPORTING WALLS WITH STONE OR MASONRY VENEER AND USING 43-MIL COLD-FORMED STEEL FRAMING AND 6-INCH SCREW SPACING ON THE PERIMETER OF EACH PANEL OF STRUCTURAL SHEATHING

SEISMIC
DESIGN
CATEGORY
STORY BRACED WALL LINE LENGTH (feet) SINGLE-STORY
HOLD-DOWN
FORCE
(pounds)
CUMULATIVE
HOLD-DOWN
FORCE
(pounds)
SEISMIC
DESIGN
CATEGORY
STORY 10 20 30 40 50 60 60 60
SEISMIC
DESIGN
CATEGORY
STORY Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
Minimum total length of braced wall panels
required along each braced wall line (feet)
D0 2.8 4.0 5.1 6.3 7.5 8.7 3,960
D0 4.5 7.4 10.2 13.1 16.0 18.8 3,960 7,920
D0 6.2 10.7 15.3 19.9 24.4 29.0 3,960 11, 880
D1 3.5 4.9 6.4 7.8 9.3 10.7 3,960
D1 5.6 9.1 12.7 16.2 19.8 23.3 3,960 7,920
D1 7.7 13.3 19.0 24.6 30.3 35.9 3,960 11, 880
D2 4.9 6.9 9.0 11.0 13.1 15.1 3,960
D2 7.8 12.9 17.9 22.9 27.9 32.9 3,960 7,920
D2 10.8 18.8 26.7 34.7 42.7 50.7 3,960 11, 880

For SI: 1 mil = 0.0254 mm, 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound-force = 4.448 N.

Copyright © 2022 by, or licensed to, International Code Council, Inc. (ALL RIGHTS RESERVED); licensed to California Building Standards Commission pursuant to License Agreement. No further reproductions is authorized. Any unauthorized reproduction or distribution is a violation of the federal copyright act and the license agreement, and subject to civil and criminal penalties thereunder.

WALL CONSTRUCTION

TABLE R603.9.5(3) REQUIRED LENGTH OF FULL-HEIGHT SHEATHING AND ASSOCIATED OVERTURNING ANCHORAGE FOR WALLS SUPPORTING WALLS WITH STONE OR MASONRY VENEER AND USING 33-MIL COLD-FORMED STEEL FRAMING AND 4-INCH SCREW SPACING ON THE PERIMETER OF EACH PANEL OF STRUCTURAL SHEATHING

SEISMIC
DESIGN
CATEGORY
STORY BRACED WALL LINE LENGTH (feet) SINGLE-STORY
HOLD-DOWN
FORCE
(pounds)
CUMULATIVE
HOLD-DOWN
FORCE
(pounds)
SEISMIC
DESIGN
CATEGORY
STORY 10 20 30 40 50 60 60 60
SEISMIC
DESIGN
CATEGORY
STORY Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
D0 2.5 3.6 4.6 5.7 6.8 7.8 4,392
D0 4.0 6.6 9.2 11.8 14.4 17.0 4,392 8,784
D0 5.6 9.7 13.8 17.9 22.0 26.2 4,392 13,176
D1 3.1 4.4 5.7 7.1 8.4 9.7 4,392
D1 5.0 8.2 11.4 14.6 17.8 21.0 4,392 8,784
D1 6.9 12.0 17.1 22.2 27.3 32.4 4,392 13,176
D2 4.4 6.2 8.1 10.0 11.8 13.7 4,392
D2 7.1 11.6 16.1 20.6 25.1 29.7 4,392 8,784
D2 9.7 16.9 24.1 31.3 38.5 45.7 4,392 13,176

For SI: 1 mil = 0.0254 mm, 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound-force = 4.448 N.

6-94 2022 CALIFORNIA RESIDENTIAL CODE

Copyright © 2022 by, or licensed to, International Code Council, Inc. (ALL RIGHTS RESERVED); licensed to California Building Standards Commission pursuant to License Agreement. No further reproductions is authorized. Any unauthorized reproduction or distribution is a violation of the federal copyright act and the license agreement, and subject to civil and criminal penalties thereunder.

WALL CONSTRUCTION

TABLE R603.9.5(4) REQUIRED LENGTH OF FULL-HEIGHT SHEATHING AND ASSOCIATED OVERTURNING ANCHORAGE FOR WALLS SUPPORTING WALLS WITH STONE OR MASONRY VENEER AND USING 43-MIL COLD-FORMED STEEL

FRAMING AND 4-INCH SCREW SPACING ON THE PERIMETER OF EACH PANEL OF STRUCTURAL SHEATHING

SEISMIC
DESIGN
CATEGORY
STORY BRACED WALL LINE LENGTH (feet) SINGLE-STORY
HOLD-DOWN
FORCE
(pounds)
CUMULATIVE
HOLD-DOWN
FORCE
(pounds)
SEISMIC
DESIGN
CATEGORY
STORY 10 20 30 40 50 60 60 60
SEISMIC
DESIGN
CATEGORY
STORY Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
Minimum total length of braced wall
panels required along each braced wall line (feet)
D0 1.9 2.7 3.4 4.2 5.0 5.8 5,928
D0 3.0 4.9 6.8 8.8 10.7 12.6 5,928 11,856
D1 2.3 3.3 4.3 5.2 6.2 7.2 5,928
D1 3.7 6.1 8.5 10.8 13.2 15.6 5,928 11,856
D2 3.3 4.6 6.0 7.4 8.7 10.1 5,928
D2 5.2 8.6 11.9 15.3 18.6 22.0 5,928 11,856

For SI: 1 mil = 0.0254 mm, 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound-force = 4.448 N.

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Contents — California Residential Code (Title 24, Part 2.5)

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