CodeChronicle

OBC 2006 Division B

9.23.16.2.

Version 0 — in force 31 December 2006

In force
Verified · covered Verified against the 2006-12-31–2007-04-01 consolidation, whose range covers the query date. How to read this

Provenance

OBC 1997 · continues from 9.23.16.2. — Pro

Base · O. Reg. 350/06 · ext← current

Original — base regulation

O. Reg. 503/09, cl. 177 · ext v1 →

In force 2010-01-01

Next: O. Reg. 503/09, cl. 177 · ext (not in force until 2010-01-01) v1 →

OBC 2012 · continues as 9.23.16.2. — Pro

9.23.16.2. — Thickness, Rating and Material Standards

(1) Where wall sheathing is required, it shall conform to Table 9.23.16.2.A. or Table 9.23.16.2.B.

Text · e-Laws consolidated snapshot

Table 9.23.16.2.A. Wall Sheathing Thickness and Specifications Forming Part of Sentence 9.23.16.2.(1)

Column 1

Column 2

Column 3

Column 4

Type of Sheathing

Minimum Thickness, mm(1)

Material Standards

With Supports 400 mm o.c.

With Supports 600 mm o.c.

Fibreboard (insulating)

9.5

11.1

CAN/ULC-S706

Gypsum Sheathing

9.5

12.7

CAN/CSA-A82.27-M

ASTM C79 / C79M

ASTM C1177 / C1177M

ASTM C1396 / C1396M

Lumber

17.0

17.0

See Table 9.3.2.1.

Mineral Fibre, Rigid Board, Type 2

25

25

CAN/ULC-S702

OSB, O-2 Grade

6.0

7.5

CSA O437.0

OSB, O-1 Grade, and Waferboard, R-1 Grade

6.35

7.9

CSA O437.0

Phenolic, faced

25

25

CAN/CGSB-51.25-M

Plywood (exterior type)

6

7.5

CSA O121-M

CSA O151

CSA O153-M

Polystyrene, Types 1 and 2

38

38

CAN/ULC-S701

Polystyrene, Types 3 and 4

25

25

CAN/ULC-S701

Polyurethane and Polyisocycanurate Type 1, faced

38

38

CAN/ULC-S704

Polyurethane and Polyisocycanurate Types 2 and 3, faced

25

25

CAN/ULC-S704

Notes to Table 9.23.16.2.A.:

(1)See also Sentences 9.27.5.1.(2) to (4).

Table 9.23.16.2.B. Rating For Wall Sheathing When Applying CAN/CSA-O325.0 Forming Part of Sentence 9.23.16.2.(1)

Column 1

Column 2

Maximum Spacing of Supports, mm

Panel Mark

400

W16

500

W20

600

W24