Cyclone Bracket - Timber Frame Construction main
Application - Roof Truss to Wall Frame Tie Down
Step 1a. Position the Cyclone Bracket at the set out point on the top plate.
Step 1b. Use a cordless driver to fix screws into the top plate.
NOTE: DO NOT USE NAILS TO FIX INTO THE TOP PLATE.
Step 2. Place the Truss inside the Cyclone Bracket and secure screw(s) to each side of the truss.
Specifications and Data
Available in this Range
| Description | Product Code | Carton Quantity | Carton kg. |
| Cyclone Bracket 70mm frames | BCBS70x35SCREW | 50 | 10.9 |
| Cyclone Bracket 90mm frames | BCBS90x35SCREW | 50 | 11.9 |
| Burmon Timber Screw 12 gauge 35mm | BHH35mm | 250 per bag | 0.200 |
| Burmon Timber Screw 10 gauge 65mm | BSD65mm | 250 per bag | 0.200 |
Steel
- Grade G300
- Thickness 1.2mm
- Galvanized Coating Z275
Screws
- Type 17, Burmon square drive
- 65mm x 10 gauge Galvanised
Limit State Design Capacity (kN)
| Number of Fixings | Timber Joint Group JD5 | Timber Joint Group JD4 | Timber Joint Group JD3 |
| 8 | 6.6 | 9.4 | 13.0 |
| 10 | 8.2 | 11.7 | 16.2 |
| 12 | 9.9 | 14.1 | 19.5 |
| 14 | 11.1 | 15.5 | 19.5 |
Load Data
- The Limit state design capacities for the Burmon Cyclone Bracket resisting wind up lift are as shown in these tables. Design capacities have been obtained from Laboratory testing and procedures given in AS1720.1.
- For Higher load capacity use Burmon Over Strap - See Cyclone Bracket Extreme.
- Cyclone Bracket (Australian Patent 2013209390) is certified by Registered Structural Engineers for the Australian Building Industry in accordance with relevant Australian Standards and building Codes.
Fixing Guide
| 8 | 4 screws into top plate. (2 screws into alternate ends of bracket) 2 screw into the truss each side. (if using Nails into the truss allow for 5 each side) |
| 10 | 4 screws into top plate. (2 screws into alternate ends of bracket) 3 screw into the truss each side. (if using Nails into the truss allow for 6 each side) |
| 12 | 6 screws into top plate. 3 screws into the truss each side. (if using Nails into the truss allow for 7 each side) |
| 14 | 6 screws into top plate. 4 screws into the truss each side. (if using Nails into the truss allow for 8 each side) |
Compliance
- The Burmon Cyclone Bracket is fully certified and tested for use in accordance with AS1684 Residential Timber Framed Construction
Screws : Screws are supplied with every box of 50 Cyclone Brackets, and are also available separately - visit our Store: click here
