Simpson JHA450/47 Timber Joist Hanger - Grey
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eBayJiffy Long Leg Adjustable Joist Hanger 450mm x 47mm JHA450/47 | BOX OF 25
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Product Information
Full details
This guide is for builders and DIY enthusiasts who need a reliable method for supporting timber joists. The Simpson JHA450/47 joist hanger provides a strong and easy-to-install solution for creating level and secure connections. A key consideration is ensuring correct nail spacing and type, as this is critical to performance.
All features
| Colour | Grey |
|---|---|
| Model Part Number | JHA450/47 |
| Brand | Simpson |
Extended Product Information
FAQs
What type of nails should I use?
Use 3.75 x 30mm square twist nails. The correct nail type is essential for achieving the published performance values.
What is the maximum load the JHA450/47 can support?
Up to 5.7kN Long Term Safe Working Load, but this depends on correct installation practices.
Can I use this hanger with treated lumber?
Yes, but ensure the nails are compatible with treated lumber to prevent corrosion.
What is the benefit of the wrap-over installation?
The wrap-over installation can increase the performance of the connection.
Where can I find the nailing schedule?
The minimum and maximum nailing schedules are stamped into the strap of the hanger.
What is the purpose of the speed prongs?
The speed prongs hold the hanger in position, making installation easier.
Troubleshooting
Hanger feels loose after installation.
Check nail type and spacing. Ensure the correct nails (3.75 x 30mm square twist nails) have been used and that they are correctly installed according to the stamped specifications.
Hanger is difficult to align.
Use the location tab at the bottom of the hanger to aid in alignment. Ensure the supporting timber is level.
Pros and Cons
Pros
- Easy to install due to speed prongs and location tab.
- Provides a strong and reliable connection.
- Offers flexibility in installation with face fix or wrap-over options.
- Wider strap design enhances contact and performance.
- Clear installation information is stamped on the strap.
Cons
- Requires specific nails (3.75 x 30mm square twist nails) for optimal performance.
- Performance relies heavily on correct nail type and spacing.
- May require more careful planning compared to simpler methods.
Setup, Compatibility & Care
- Preparation: Ensure the supporting timber is level and in good condition.
- Positioning: Place the JHA450/47 in the desired location, using the location tab for alignment.
- Attachment: Use 3.75 x 30mm square twist nails, following the minimum and maximum nailing schedules stamped on the strap.
- Compatibility: Designed for use with timber joists and supporting timber members. Ensure the joist and supporting member are of the correct dimensions and load-bearing capacity for your project.
- Care: Regularly inspect the hangers for any signs of damage or corrosion, especially in exterior applications. Ensure nails remain secure.