Product Description
The Simpson MSTA21 MSTA 21-in. 18-Gauge Galvanized Medium Strap Tie by Simpson Strong-Tie is engineered to resist tension loads in wood-to-wood uplift applications. Featuring a staggered nail pattern that helps minimize wood splitting, this medium strap tie is specifically designed for use on the edge of 2x members, making it a reliable choice for floor-to-floor clear span connections where wind and seismic resistance are critical.
Key Features
- Straps are load rated with the correct thickness and number of fasteners, in contrast with field-fabricated straps
- Loads have been increased for wind and seismic forces
- Floor-to-floor clear span application
- For use on the edge of 2x members
- Length: 21 in.
- Width: 1-1/4 in.
- Made from 18-gauge steel
- Galvanized (G90) for extra corrosion resistance
Specifications
- MPN: MSTA21
- Length: 21 in.
- Width: 1-1/4 in.
- Gauge: 18
- Coating/Finish: Zinc Galvanized, G90
- Member Size: 2x
- Country of Origin: United States
Approved Applications
- Wood-to-wood uplift tension load connections
- Floor-to-floor clear span installations
- Edge of 2x member applications requiring wind and seismic resistance
Frequently Asked Questions
- What fasteners should be used to install the MSTA21?
- Install with 10d common nails or #9 x 1-1/2 in. Strong-Drive SD screws.
- Why choose a load-rated strap tie over a field-fabricated strap?
- Unlike field-fabricated straps, the MSTA21 is load rated with the correct thickness and number of fasteners, ensuring consistent, code-compliant performance in structural applications.
- What is the benefit of the G90 galvanized coating on the MSTA21?
- The G90 zinc galvanized coating provides extra corrosion resistance, helping the strap tie maintain its structural integrity in environments where moisture exposure is a concern.
- How does the staggered nail pattern on the MSTA21 help during installation?
- The staggered nail pattern is designed to help minimize wood splitting when driving fasteners, allowing for a cleaner, more secure installation on the edge of 2x members.
Note: Product dimensions and/or screw or bolt holes may differ from picture. Please see item description for specifications.
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