Product Description
The Simpson Adjustable I-Joist Truss Hanger is a purpose-built top-flange hanger designed specifically for engineered wood I-joists with a 2-1/2 in. flange width. Featuring extra-long straps that can be field-formed directly on the job site, this hanger delivers genuine height adjustability across a wide range of joist depths - giving framing professionals a single, flexible connector that installs with top-flange convenience without sacrificing structural performance. The G90 galvanized steel construction and positive-angle nailing design make it a dependable choice for floor and roof framing applications where both precision and durability are non-negotiable.
Key Features
- Positive-angle nailing (PAN) - helps eliminate splitting of the I-joist's bottom flange during fastening, protecting the structural integrity of the engineered wood member and ensuring a lasting connection
- Extra-long straps that can be field-formed - allows height adjustability on the job site without special tooling, accommodating varying joist depths and reducing the need for multiple hanger sizes on a single project
- Top-flange hanger design - sits over the carrying member for a clean, secure bearing surface that simplifies installation and provides reliable load transfer
- 18-gauge steel construction - delivers a strong, rigid hanger body built to hold up under the demands of structural framing applications
- Zinc Galvanized, G90 coating - provides extra corrosion resistance, making this hanger suitable for installations where moisture exposure is a concern
Why This Product
- One hanger, multiple joist depths - the field-formable straps allow a single THAI322 to accommodate I-joists ranging across a broad depth range, reducing the number of hanger SKUs you need to stock and simplifying job-site logistics
- Engineered specifically for I-joists - the positive-angle nailing feature is purpose-designed to protect the I-joist's bottom flange from splitting, a critical advantage when working with engineered wood that can be vulnerable to fastener-induced damage
- Made in the United States from G90 galvanized steel - the heavy-duty galvanized finish guards against corrosion in demanding framing environments, while 18-gauge steel construction ensures the hanger holds its shape through installation and loading
- Top-flange convenience with field-adjustable flexibility - combines the clean bearing and secure attachment of a top-flange hanger with the adaptability of a field-formed connector, making it well suited for projects where joist depths vary or precise height alignment is required
Specifications
- MPN: THAI322
- Brand: Simpson Strong-Tie
- Joist Width (Member Size): 2-1/2 in.
- Joist Depth Range: 9-1/4 in. to 14 in.
- Seat Width: 2-9/16 in.
- Gauge: 18-gauge steel
- Coating/Finish: Zinc Galvanized, G90
- Install With: (6-20) 0.148 in. x 3 in. nails in the header and (2) 0.148 in. x 1-1/2 in. nails in the joist
- Country of Origin: United States
Approved Applications
- Connecting I-joists to headers, beams, or carrying members in floor and roof framing systems
- Applications requiring height adjustability with top-flange hanger convenience
- Installations where engineered wood I-joists with a 2-1/2 in. flange width are specified
- Projects requiring a field-formed adjustable hanger to accommodate varying joist depths from 9-1/4 in. to 14 in.
Options
- Contact us for Configurable Options and Special orders
Note: Product dimensions may differ from picture.
Frequently Asked Questions
What joist sizes is the THAI322 compatible with?
The THAI322 is designed for I-joists with a joist width of 2-1/2 in. and accommodates joist depths ranging from 9-1/4 in. to 14 in., making it suitable for a broad range of engineered wood I-joist profiles.
How does positive-angle nailing (PAN) benefit the installation?
Positive-angle nailing (PAN) is specifically engineered to help eliminate splitting of the I-joist's bottom flange during fastening, which protects the structural integrity of the engineered wood member and ensures a secure, long-lasting connection.
What fasteners are required to install the THAI322?
Installation requires (6-20) 0.148 in. x 3 in. nails in the header and (2) 0.148 in. x 1-1/2 in. nails in the joist. Always use all specified fasteners and verify that the header can accept the fasteners specified.
What makes the THAI322 adjustable, and how is it field-formed?
The THAI322 features extra-long straps that can be bent and formed on the job site to achieve the needed height. The strap must be field-formed over the top of the header by a minimum of 2-1/2 in., providing top-flange hanger convenience while allowing adjustability to match the exact joist depth required.
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