TIMCO Truss Clips - 38 x 110mm - 25 Pack
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eBayTimco Truss Clips Galvanised 38x110 Fixings Trusses Girder Rafter Wall Restraint
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DIY Refurb UKTimco Truss Clips – Galvanised (38 X 110Mm) (25 Pack)
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Product Information
Full details
TIMCO Truss Clips are designed for professional builders, roofers, and DIY enthusiasts who need a reliable, structural connection for timber roof construction. These clips provide a robust mechanical restraint when fixing trusses, girders, or rafters to wall plates, ensuring long-term structural stability. While they offer exceptional strength and corrosion resistance, users should note that they require specific structural nails and are intended primarily for timber-to-timber applications where structural load calculations have been verified.
All features
| Model Part Number | 38TC |
|---|---|
| Brand | TIMCO |
Extended Product Information
FAQs
Can I use these clips in exterior-exposed environments?
The galvanised finish provides protection against moisture, but they are primarily designed for concealed structural roof spaces. Ensure adequate ventilation to prevent prolonged moisture accumulation.
What is the maximum load capacity for each clip?
These clips have a safe working load of 3.18kN when installed correctly according to manufacturer specifications.
Are the nails included with the 25 pack?
No, the pack contains the structural clips only. You must purchase 3.75mm structural nails separately.
Can these be used for masonry connections?
These are designed for timber-to-timber connections. They should be fixed to a timber wall plate if you are connecting a roof to a masonry wall.
Is it okay to use fewer than 12 nails per clip?
To achieve the rated 3.18kN safe working load, all nail holes should be used as intended for a balanced load distribution.
What are the dimensions of the clips?
These specific clips measure 38mm x 110mm with a steel thickness of 1mm.
Troubleshooting
Clip does not sit flush against the timber
Check for splinters or protrusions on the timber face and ensure the wall plate is level.
Nails are difficult to drive into the timber
Ensure you are using the correct diameter structural nails and verify that you are not hitting a knot in the timber.
Movement noticed after installation
Verify that all 12 nail holes have been filled with the correct size fasteners to ensure full structural load capacity.
Pros and Cons
Pros
- High structural integrity with a 3.18kN safe working load
- Galvanised finish prevents early-stage corrosion
- Multi-hole design ensures flexible and secure nail placement
- Suitable for a wide range of roofing and extension projects
Cons
- Not suitable for non-timber substrates
- Requires professional-grade structural nails which are sold separately
- Installation requires precise alignment to meet load-bearing certifications
Setup, Compatibility & Care
To ensure peak performance, always use nails that match the 3.75mm diameter hole specification. Do not modify or bend the clips beyond their designed shape, as this can compromise the steel's structural integrity.
Compatibility
- Timber types: Compatible with standard softwood and hardwood framing timbers.
- Substrate: Must be fixed to timber wall plates; not intended for masonry directly without a timber plate.
Care Instructions
While the galvanised coating provides protection, avoid exposure to highly corrosive chemical environments. If the clips are used in coastal areas with high salt exposure, periodically inspect the connections for signs of surface degradation to ensure long-term integrity.