The Ontario Building Code | Size and Spacing of Furring
9.29.3.1. Size and Spacing of Furring
(1) wood furring for the attachment of wall and ceiling finishes shall conform to Table 9.29.3.1.
Table 9.29.3.1.
Size and Spacing of Furring
Forming Part of Sentence 9.29.3.1.(1)
| Item | Column 1 | Column 2 | Column 3 | Column 4 |
|
| Maximum Spacing of Furring, mm | Minimum Size of Furring, mm |
|
|
|
|
| Maximum Spacing of Furring supports |
| |
|
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| Continuous supports | 406 mm (o.c.) | 610 mm (o.c.) |
| 1. | 305 | 19 × 38 | 19 × 38 | 19 × 64 |
| 2. | 406 | 19 × 38 | 19 × 38 | 19 × 64 |
| 3. | 610 | 19 × 38 | 19 × 64 | 19 × 89 |
In Plain Language
Furring used to support interior finish must meet the size and spacing requirements set out in this article.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.