Product Description
The Simpson Adjustable I-Joist Truss Hanger from Simpson is purpose-built for engineered wood framing, giving contractors and builders a field-adjustable top-flange hanger solution designed specifically for I-joists. Extra-long straps can be field-formed over the top of the header, delivering height adjustability and top-flange hanger convenience without the need for special-order or pre-configured hardware. Whether you are framing a floor system or a roof assembly, this hanger provides reliable support underneath the joist to create a strong, secure connection at the framing interface.
Key Features
- Positive-angle nailing (PAN) - angles the nail path to help eliminate splitting of the I-joist's bottom flange, resulting in a stronger and more reliable connection
- Extra-long field-formable straps - can be bent on site over the top of the header by a minimum of 2 1/2 in., giving the installer height adjustability and top-flange hanger convenience without additional hardware
- Compatible with a wide joist depth range (9-1/4 in. to 14 in.) - accommodates multiple I-joist sizes in a single hanger, reducing the number of SKUs a crew needs to keep on hand
- 1 1/2 in. joist width with a 1-9/16 in. seat width - sized precisely for standard engineered wood I-joists, ensuring a snug, correctly aligned fit at the bearing point
- 18-gauge steel construction - delivers dependable structural performance while keeping the hanger lightweight enough for easy single-person handling and installation
- Zinc Galvanized (G90) finish - provides an extra layer of corrosion resistance, making the hanger suitable for moisture-exposed framing environments
Why This Product
- Field adjustability built in from the start - the extra-long strap design lets crews dial in hanger height on site rather than ordering multiple fixed-height hangers, keeping framing schedules on track
- Engineered specifically for I-joist framing - positive-angle nailing (PAN) and a seat width matched to engineered lumber dimensions mean the hanger works with the material rather than against it, reducing the risk of bottom-flange splitting during fastening
- Broad depth compatibility in a single product - supporting joist depths from 9-1/4 in. to 14 in., this hanger covers a wide range of floor and roof framing scenarios without requiring a separate hanger for each depth
- G90 galvanized protection on American-made steel - the heavy-gauge, corrosion-resistant finish helps the connection maintain its integrity in demanding framing conditions, supporting long-term structural performance
Specifications
- MPN: THAI222
- Brand: Simpson Strong-Tie
- Member Size: 1-1/2 in.
- Joist Width: 1-1/2 in.
- Joist Depth: 9-1/4 in. to 14 in.
- Seat Width: 1-9/16 in.
- Gauge: 18
- Coating: Zinc Galvanized, G90
- 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
- Engineered wood I-joist framing connections
- Applications requiring field-adjustable hanger height
- Top-flange hanger installations where strap must be field-formed over the top of the header by a minimum of 2-1/2 in.
- Installations requiring web stiffeners on all I-joists used with these hangers
Options
- Contact us for Configurable Options and Special orders
Note: Product dimensions may differ from picture.
Frequently Asked Questions
What joist dimensions is the THAI222 compatible with?
The THAI222 is designed for a joist width of 1-1/2 in. and accommodates joist depths ranging from 9-1/4 in. to 14 in., with a seat width of 1-9/16 in.
What fasteners are required to install the THAI222?
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. Use all specified fasteners and verify that the header can accept the specified fasteners.
What is positive-angle nailing (PAN) and why does it matter?
Positive-angle nailing (PAN) is a design feature of the THAI222 that angles the nailing position to help eliminate splitting of the I-joist's bottom flange, resulting in a stronger, more reliable connection.
Are web stiffeners required when using the THAI222?
Yes, web stiffeners are required for all I-joists used with these hangers. Additionally, when a total of 20 face nails are used in THAI straps, the maximum load-carrying capacity is achieved. Load must be reduced by the allowable nail shear capacity for each nail less than the maximum.
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