Product Description
The Simpson THAC422 Adjustable Concealed-Flange Truss Hanger is a heavy-duty wood connector from Simpson engineered to support trusses and beams in structural framing applications. Built in a versatile U-shape with extra-long, straight straps, this hanger gives installers the ability to field-adjust the vertical height of a truss, making it well-suited for situations where precise positioning is required during assembly. The concealed-flange design keeps the flanges hidden within the framing, allowing the hanger to fit cleanly in tight or restricted spaces where a standard exposed-flange connector would not be practical.
Key Features
- Top-flange or face-mount installation compatibility - gives contractors the flexibility to choose the mounting method that best fits the job site conditions, eliminating the need for multiple hanger types.
- Extra-long straps for height adjustability and top-flange installation convenience - allows the truss height location to be set in the field rather than locked in at fabrication, reducing errors and saving time during structural assembly.
- Dense nail pattern in the straps - provides more installation options and simplifies top-flange installation by giving installers multiple fastener locations to work with, accommodating varying site conditions.
- Min./max. nailing installation options - lets installers match the nailing schedule to the load requirements of the application, supporting both lighter and heavier structural demands.
- Concealed-flange design - keeps flanges out of sight and out of the way in restricted spaces, delivering a cleaner result where clearance is limited and exposed hardware is not an option.
- 16-gauge steel construction - provides the structural strength required for heavy beam and truss support applications without adding unnecessary bulk to the connection.
- G90 zinc galvanized finish - offers corrosion resistance for long-term durability in structural framing environments where moisture exposure is a concern.
Why This Product
- Field-adjustable height positioning sets it apart from fixed hangers - the extra-long straps allow the truss height to be dialed in on site, giving framers control that a standard fixed-height hanger simply cannot offer.
- Two installation methods in a single hanger - the ability to switch between top-flange and face-mount configurations means this connector adapts to different framing layouts without requiring a separate product for each method.
- Purpose-built for tight spaces - the concealed-flange profile makes this hanger the right choice for restricted installations where an exposed-flange connector would conflict with adjacent framing members or finishes.
- Corrosion-resistant finish supports long-term structural integrity - the G90 zinc galvanized coating helps the hanger maintain its performance over time in conditions where bare steel would be vulnerable to degradation.
Specifications
- MPN: THAC422
- Member Size: 4x22
- Seat Width: 3-5/8 in.
- Hanger Height: 22 in.
- Gauge: 16
- Coating: Zinc Galvanized, G90
- Finish: Zinc Galvanized, G90
- Country of Origin: United States
Approved Applications
- Supporting trusses and beams in wood construction applications
- Installations requiring field-adjustable truss height positioning
- Restricted-space applications where concealed flanges are necessary
- Top-flange installation configurations
- Face-mount installation configurations
Note: Product dimensions and/or screw or bolt holes may differ from picture. Please see item description for specifications.
Frequently Asked Questions
What fasteners are required for top-flange installation of the THAC422?
For top-flange installation, install with (6) 0.162 in. x 3-1/2 in. nails in the header and (6) 0.148 in. x 3 in. nails in the joist.
What fasteners are required for face-mount installation of the THAC422?
For face-mount installation, install with (22) 0.162 in. x 3-1/2 in. nails in the header and (6) 0.162 in. x 3-1/2 in. nails in the joist.
What makes the THAC422 suitable for restricted-space applications?
The THAC422 features concealed flanges, which keep the flanges hidden and allow the hanger to fit into tight or restricted spaces where standard exposed-flange hangers would not be practical.
Is the THAC422 protected against corrosion?
Yes. The THAC422 is coated with a G90 zinc galvanized finish, which provides corrosion resistance for long-term durability in structural applications.
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