Product Description
The Simpson MIT4.12/9.5 Top-Flange Joist Hanger from Simpson is engineered to support standard 90 deg. connections of I-joists to headers, delivering maximum down load capacity while requiring a minimum number of fasteners. Designed to be installed before the joist is in place, this top-flange hanger features a Funnel Flange design for easier placement of members, making it a practical and efficient choice for engineered wood framing. Built from 16-gauge steel with a G90 zinc galvanized finish, it is a cost-effective alternative to welded hangers for residential and commercial I-joist applications.
Key Features
- Positive-angle nailing (PAN) minimizes splitting of the flanges - allows nailing from a better angle, saving time on the job while protecting the structural integrity of I-joist flanges.
- Nail hole material is not removed with PAN - preserves the full strength of the connector at each fastening point, maintaining load performance over the life of the connection.
- Funnel Flange design - guides members into position more easily, reducing frustration and speeding up the installation process before the joist is set.
- Optional triangle nail holes for increased uplift capacity - gives installers added flexibility to meet higher uplift demands when paired with properly-secured web stiffeners.
- Optional fastening with PAT for steel applications/header - extends compatibility to steel header scenarios, broadening the range of framing conditions this hanger can address.
- 16-gauge steel construction - provides a sturdy, reliable connector capable of handling significant down loads without adding unnecessary bulk to the framing assembly.
- G90 zinc galvanized finish - delivers extra corrosion resistance, making this hanger suitable for use in environments where moisture exposure is a concern.
- Cost-effective solution for standard 90 deg. connections - achieves performance comparable to welded hangers at a lower cost, helping keep framing budgets in check without compromising structural reliability.
Why This Product
- Engineered specifically for I-joist framing - the combination of PAN technology and the Funnel Flange design means this hanger is purpose-built for engineered wood construction, reducing both installation errors and the risk of flange splitting that can occur with standard hangers.
- Installs before the joist is in place - this pre-installation approach allows framers to set hangers ahead of time, streamlining workflow and reducing the number of hands needed during the joist-setting phase.
- Built-in flexibility for demanding applications - optional triangle nail holes for uplift capacity and optional PAT fastening for steel headers mean a single hanger can adapt to a wider variety of connection requirements on the same project.
- Durable galvanized steel from a trusted connector brand - 16-gauge steel with a G90 galvanized coating and domestic manufacture delivers the consistent quality and corrosion protection that structural framing connections demand.
Specifications
- Model Number: MIT4.12/9.5
- Member Size: 4 x 9-1/2
- Gauge: 16
- Width (W): 4-1/8 in.
- Height (H): 9-1/2 in.
- Seat Depth: 2-1/2 in.
- Top Flange (TF): 2-5/16 in.
- Coating/Finish: Zinc Galvanized, G90
- 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)
- Country of Origin: United States
Options
- Contact us for Configurable Options and Special orders
Note: Product dimensions may differ from picture.
Frequently Asked Questions
What type of connection is the Simpson MIT4.12/9.5 designed for?
The Simpson MIT4.12/9.5 is designed to support standard 90 deg. connections of I-joists to headers, making it suitable for engineered wood framing applications.
What is positive-angle nailing (PAN) and why does it matter?
Positive-angle nailing (PAN) is a feature specifically created for I-joists that minimizes splitting of the flanges while permitting time-saving nailing from a better angle. Importantly, the nail hole material is not removed with PAN, preserving the integrity of the connector.
What fasteners are required to install the MIT4.12/9.5?
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.
Can the MIT4.12/9.5 be used with steel headers or for increased uplift capacity?
Yes. The hanger features optional fastening with PAT for steel applications/header. Additionally, optional triangle nail holes may be used for increased uplift capacity, though optional uplift nailing requires the addition of properly-secured web stiffeners.
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