Product Description
The Simpson MIT3516 Top-Flange Joist Hanger for 2-5/16 in. x 16 in. Engineered Wood from Simpson is a heavy-duty structural connector designed to support 90 deg. connections of I-joists to headers in engineered wood framing systems. Built to deliver maximum downward load capacity while requiring a minimum number of fasteners, this top-flange hanger installs before the joist is placed, streamlining the framing process on the jobsite. The Funnel Flange design allows for easier member placement, and the hanger is fabricated from 16-gauge steel with a G90 zinc galvanized finish for lasting corrosion resistance.
Key Features
- Positive-angle nailing (PAN) minimizes splitting of the flanges while permitting time-saving nailing from a better angle - nails are driven at a favorable angle that protects I-joist flanges from damage and speeds up installation compared to standard nailing approaches.
- Nail hole material is not removed with positive-angle nailing - preserves the structural integrity of the connection point, maintaining the full strength of the hanger-to-joist fastening.
- Optional triangle nail holes for increased uplift capacity - gives builders flexibility to engineer a stronger connection when uplift loads require it; note that optional uplift nailing requires the addition of properly-secured web stiffeners.
- Funnel Flange design for easier member placement - guides the I-joist into position smoothly, reducing fitment difficulty and saving time during installation.
- Top-flange installation before joist placement - allows the hanger to be set on the header in advance, keeping the workflow moving and reducing the need for awkward repositioning later.
- Cost-effective solution for standard 90 deg. connections in comparison to welded hangers - delivers engineered connection performance at a lower overall cost, making it a practical choice for I-joist framing projects.
- Optional fastening with PAT for steel applications/header - extends compatibility to steel header applications, giving contractors added versatility across different framing scenarios.
- Made from 16-gauge steel with G90 zinc galvanized coating - provides the structural thickness and corrosion resistance required for demanding construction environments.
Why This Product
- Engineered specifically for I-joist framing - the MIT3516 is purpose-built for engineered wood members, with features like positive-angle nailing and the Funnel Flange design that address the unique demands of I-joist installation, rather than adapting a generic hanger to the task.
- Maximum load capacity with fewer fasteners - by delivering high downward load performance while requiring a minimum number of fasteners, this top-flange hanger reduces material and labor costs without compromising connection strength.
- Flexible for a range of header types - optional PAT fastening compatibility means the same hanger can be used with both wood and steel headers, reducing the need to stock multiple connector types for different framing conditions.
- Durable G90 galvanized finish for long-term performance - the zinc galvanized coating provides extra corrosion resistance, helping the connector maintain its structural integrity in moisture-exposed or chemically treated wood environments.
Specifications
- MPN: MIT3516
- Member Size: 2-5/16 in. x 16 in.
- Width: 2-3/8 in.
- Height: 16 in.
- Seat Depth: 2-1/2 in.
- Top Flange: 2-5/16 in.
- Gauge: 16
- Coating/Finish: Zinc Galvanized, G90
- Country of Origin: United States
- Installation Fasteners: Install with 0.162 in. x 3-1/2 in. nails in the header and 0.148 in. x 1-1/2 in. nails in the joist (sold separately)
Options
- Contact us for Configurable Options and Special orders
Note: Product dimensions may differ from picture. Please see the item description above for specifications.
Frequently Asked Questions
What type of joist is the Simpson MIT3516 designed to support?
The Simpson MIT3516 is specifically designed to support 90 deg. connections of I-joists to headers. It is engineered for use with engineered wood members measuring 2-5/16 in. x 16 in., making it well-suited for modern engineered lumber framing systems.
What is positive-angle nailing (PAN) and why does it matter?
Positive-angle nailing (PAN) is a design feature specifically created for I-joists that allows nails to be driven at a favorable angle, minimizing splitting of the flanges and enabling faster, more efficient installation. Importantly, the nail hole material is not removed, which helps maintain the structural integrity of the connection.
What fasteners are required to install the MIT3516?
Installation requires 0.162 in. x 3-1/2 in. nails in the header and 0.148 in. x 1-1/2 in. nails in the joist. For steel header applications, optional fastening with PAT is also available.
What corrosion protection does the MIT3516 provide?
The MIT3516 is coated with a Zinc Galvanized G90 finish, providing an extra layer of corrosion resistance that helps protect the connector in demanding construction environments.
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