Product Description
The Simpson MIT311.88-2 MIT Galvanized Top-Flange Joist Hanger for Double 2-1/2 in. x 11-7/8 in. Engineered Wood from Simpson is purpose-built to support standard 90 deg. connections of I-joists to headers, delivering maximum down load capacity while keeping fastener counts to a minimum. Designed to be installed before the joist is set in place, this top-flange hanger features a Funnel Flange design for easier member placement and positive-angle nailing (PAN) specifically created for I-joists - making it a reliable, cost-effective alternative to welded hangers in engineered wood framing applications.
Key Features
- Positive-angle nailing (PAN) minimizes splitting of the flanges while permitting time-saving nailing from a better angle - lets installers work more efficiently without compromising the structural integrity of the I-joist connection.
- Nail hole material is not removed with positive-angle nailing - preserves the full strength of the connection by maintaining material around each nail hole.
- Optional triangle nail holes for increased uplift capacity - gives builders flexibility to upgrade uplift performance where needed; requires the addition of properly-secured web stiffeners when this option is used.
- Funnel Flange design for easier member placement - speeds up installation by guiding the joist into position before fastening begins.
- Cost-effective solution for standard 90 deg. connections compared to welded hangers - reduces material costs on framing projects without sacrificing load performance.
- Optional fastening with PAT for steel applications/header - extends compatibility to steel header applications, adding versatility across different framing assemblies.
- Made from 16-gauge steel with G90 zinc galvanized coating - provides the structural rigidity and corrosion resistance needed for long-term performance in demanding framing environments.
Why This Product
- Engineered specifically for I-joist framing - the PAN system and Funnel Flange design work together to address the unique installation and splitting challenges of engineered wood members, making this hanger a natural fit for modern floor and roof framing systems.
- Maximum load with minimum fasteners - the MIT311.88-2 is designed to achieve high down load capacity without requiring an excessive number of nails, helping crews work faster while meeting structural requirements.
- Built-in versatility for demanding applications - optional triangle nail holes for added uplift capacity and optional PAT fastening for steel headers mean this single hanger can adapt to a wider range of connection scenarios on the jobsite.
- Durable G90 galvanized finish for long-term reliability - the zinc galvanized coating provides extra corrosion resistance, helping the connector maintain its integrity in applications where moisture exposure is a concern.
Specifications
- MPN: MIT311.88-2
- Member Size: Double 2-1/2 in. to 2-9/16 in. x 11-7/8 in.
- Width: 5-1/8 in.
- Height: 11-7/8 in.
- Seat Depth: 2-1/2 in.
- Top Flange: 2-5/16 in.
- Gauge: 16
- Coating: Zinc Galvanized, G90
- Finish: Zinc Galvanized, G90
- Install With: 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. Please see the item description above for specifications.
Frequently Asked Questions
What type of connection is the MIT311.88-2 designed to support?
The MIT311.88-2 is designed to support standard 90 deg. connections of I-joists to headers, making it a reliable and cost-effective alternative to welded hangers for engineered wood applications.
What fasteners should be used to install the MIT311.88-2?
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.
What is positive-angle nailing (PAN) and why does it matter for I-joists?
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 this method, preserving the structural integrity of the connection.
Can the MIT311.88-2 be used for increased uplift capacity?
Yes. Optional triangle nail holes may be used for increased uplift capacity; however, optional uplift nailing requires the addition of properly-secured web stiffeners to meet performance requirements.
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