Product Description
The Simpson SPH4Z Heavy-Duty Stud Plate Tie is a heavy U-shaped strap engineered by Simpson as a stud-to-plate connection built to resist roof uplift in wood-framed construction. Its horizontal portion bears directly against wood wall top plates or sill plates, while two vertical legs are nailed to the edges of a wood stud, creating a secure, uplift-resistant connection at the stud-to-plate interface. Designed to be installed before wall placement, this tie delivers a cost-effective and straightforward solution for resisting wind and seismic forces in residential and light commercial framing applications.
Key Features
- Load rated - provides reliable, code-compliant performance so builders and inspectors can trust the connection meets structural requirements
- Designed to resist wind and seismic forces - engineered specifically for high-demand uplift scenarios, giving you confidence in the connection during extreme weather or seismic events
- Does not require top or bottom track attachment - simplifies installation and reduces material needs, saving time and labor on the job site
- Heavy U-shaped strap profile - the horizontal bearing portion and two vertical nailing legs work together to distribute load efficiently across the stud-to-plate joint
- Made from 18-gauge steel - provides the structural strength needed for heavy-duty uplift resistance without adding unnecessary bulk
- ZMAX galvanization - offers extra corrosion resistance compared to standard galvanized coatings, making this tie well-suited for exterior applications and use with treated wood where moisture or chemical exposure is a concern
- Compatible with 2x studs and 4x plates - sized to fit standard dimensional lumber, ensuring a proper fit in common wood-frame wall assemblies
Why This Product
- Built for wind and seismic protection - this tie is purpose-designed to resist roof uplift forces, making it a dependable choice for framing in areas subject to high winds or seismic activity, not just a general-purpose connector
- ZMAX coating for long-term durability - the enhanced corrosion-resistant finish makes this an appropriate option for treated-wood and exterior framing situations where a standard galvanized connector would be more vulnerable to degradation over time
- No track attachment needed - the design eliminates the need for top or bottom track fastening, reducing installation steps and keeping the connection process straightforward without sacrificing load performance
- Cost-effective when installed at the right time - by securing the tie before wall placement, contractors get full structural performance from a competitively practical connector that does not require additional hardware or complex anchoring systems
Specifications
- Model Number: SPH4Z
- Gauge: 18
- Width: 3-9/16 in.
- Length: 8-3/4 in.
- Coating/Finish: ZMAX
- Member Size: 2x stud; 4x plate
- Install With: (10-12) 0.148 in. x 1-1/2 in. nails (sold separately)
- Country of Origin: United States
Frequently Asked Questions
What is the purpose of the Simpson SPH4Z stud plate tie?
The SPH4Z is a heavy U-shaped strap designed as a stud-to-plate connection to resist roof uplift. Its horizontal portion bears against wood wall top plates or sill plates, while two vertical legs are nailed to the edges of a wood stud to create a secure, uplift-resistant connection.
What type of galvanization does the SPH4Z have, and why does it matter?
The SPH4Z features ZMAX galvanization, which offers extra corrosion resistance compared to standard galvanized coatings. This makes it suitable for exterior applications and use with treated wood, where exposure to moisture or chemicals could degrade a lesser finish over time.
What fasteners are required to install the SPH4Z?
Installation requires 10 to 12 nails measuring 0.148 in. x 1-1/2 in. For best results, the tie should be installed before the placement of the wall.
Does the SPH4Z require top or bottom track attachment?
No. The SPH4Z does not require top or bottom track attachment, simplifying installation and making it a cost-effective stud-to-plate connection option for resisting wind and seismic forces.
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