OSB Bracing
OSB 3 Bracing is a structural bracing panel manufactured from oriented strand board, to standard EN300:2006 for structural load bearing.
These bracing panels are engineered for consistent, predictable performance,
under load. A practical alternative to plywood or hardboard bracing panels, OSB
bracing delivers dimensional stability, a high moisture tolerance, is lightweight,
easy to handle; to cut, drill, nail and screw.
OSB 3 Bracing is an engineered wood panel that’s sustainably sourced from
plantation timbers with FSC certified panels available on request. Designed with
strength and durability in mind, this bracing system is also available as an H2
option, treated to standard AS/NZS1604.1.
Performance Attributes
Designed for performance, OSB panels are manufactured with overlapping strands that optimise strength and dimensional stability, to withstand heavy loads. The cross directional structure of each panel creates a highly durable, lightweight panel that’s easy to handle.
As an engineered wood product the consistent structural properties of OSB bracing resists splitting and delamination, while increasing the shear strength for easy fixing. An E0 panel with a high moisture tolerance and a painted edge profile to minimise swelling, OSB bracing is well suited to Australian conditions.
Tested to comply with the performance requirements of the National Construction Code, incorporating the Building Code of Australia. OSB bracing offers a bracing capacity that meets or exceeds the standards outlined in Table 8 of AS1684.2:2021 for residential timber framed construction. With two simple bracing systems available, the 6.0mm thick panels deliver a racking resistance of up to 6.0kN/m. These capacities are based on fixing to minimum JD5 framing. With a short wall bracing solution also available for limited wall space applications.
To compliment a fully termite treated framing package for Australian conditions, select the H2 treated option.
Applications
OSB 3 Bracing is available in two different bracing systems. Types A & C of Evolution Forest Products’ OSB bracing can be used as a substitute bracing product for the corresponding plywood or hardwood bracing panels, when designed in accordance with AS1684:2021, the Australian Standard for residential timber-framed construction.
For fastener specifications and an installation guide, download the OSB 3 Bracing brochure on this page.
The table below outlines the bracing substitution options as specified in Table 8 of AS1684:2021, based on fixing to minimum JD5 framing.
|
Sheet Bracing Options
As Specified in AS 1684.2-2021
|
OSB 3 Bracing substitution
|
|||
|---|---|---|---|---|
| Type | AS 1684 Reference | JD5 Capacity (kN/m) |
Type | JD5 Capacity (kN/m) |
| Plywood | Table 8.18(g) | 3.0 | Type A | 3.4 |
| Hardboard Type A | Table 8.18(l) | 2.9 | ||
| Plywood | Table 8.18(h) Method B | 5.2 | Type C | 6.0 |
| Hardboard Type B | Table 8.18(m) | 5.0 | ||
Notes:
(1) The above design capacities are based on wall heights up to 2.7m. For higher walls, reduce capacities by a factor = 2.7/wall height.
(2) Substitution of OSB 3 Bracing relates to 900mm or greater panel lengths.
H2
A bond
Thickness Width & Lengths
|
Sheet Sizes (mm)
|
||
|---|---|---|
| Length | Width | Thickness |
| 2440 | 900 | 6.0mm |
| 2440 | 1200 | 6.0mm |
| 2745 | 900 | 6.0mm |
| 2745 | 1200 | 6.0mm |
| 3050 | 900 | 6.0mm |
| 3050 | 1200 | 6.0mm |
Certifications
