Top Hat Bracket
Ideal for tying down roof battens to rafters or truss top chords
Pre-punched and formed galvanised steel timber connectors ideal for:
Tying down 70mm x 45mm roof battens to rafters or truss top chords in high winds areas.
APPLICATION
| Screw Size Number | Allowable Wind Loads For 2 Type 17 Screws (kN) | |||||
|---|---|---|---|---|---|---|
| Unseasoned Timber | Seasoned Timber | |||||
| J2 | J3 | J4 | JD3 | JD4 | JD5 | |
| 10 | 5.8 | 4.4 | 3.2 | 6.6 | 5.0 | 3.9 |
| 12 | 6.5 | 5.0 | 3.6 | 7.6 | 5.7 | 4.5 |
| 14 | 7.6 | 5.7 | 4.1 | 8.5 | 6.5 | 5.2 |
NOTES:
The above table uses withdraw capacities from AS 1720.1 - Timber Structures.
Fixing procedure:
- Nail fix each batten to rafter with minimum 2/75mm x 3.05Ø Multinail nails.
- Fix each side of bracket with one Type 17 screw as noted above.
- Screws are Type 17, 50mm long galvanised batten screws.
- Minimum end distance for:
No.10 gauge screws 50mm.
No.12 gauge screws 55mm.
No.14 gauge screws 65mm..
DESCRIPTION AND PACKAGING
Manufactured from 1.5mm Galvanised G300 Z275 Steel
| Description | Product Code | Reference Code | Carton quantity | Carton kg. |
|---|---|---|---|---|
| 175x30mm | TA0423 | THB70-100 | 100 | 9.0 |
| 30mm x 2.8Ø Multinail Nails (TA302) | ||||
