Product Description
The Simpson MIU4.75/20 Galvanized Face-Mount I-Joist Hanger is built by Simpson for commercial and high-load engineered wood applications where a strong, reliable joist connection is critical. Designed specifically for 4-5/8 in. x 20 in. I-joist members, this face-mount hanger delivers a secure structural connection without requiring web stiffeners, making it a dependable choice for demanding framing projects that call for performance and efficiency.
Key Features
- Positive-angle nailing design - minimizes splitting of the flanges while permitting time-saving nailing from a better angle, keeping installation efficient and the joist material intact
- No web stiffeners required - engineered specifically for commercial and high-load I-joist applications without additional reinforcement, reducing materials and labor on the job site
- 16-gauge steel construction - heavy-gauge steel provides the structural strength needed to handle high-load engineered wood framing applications with confidence
- Zinc Galvanized G90 coating - delivers extra corrosion resistance, helping the hanger hold up in environments where moisture exposure is a concern
- Fixed, non-modifiable design - ensures the hanger performs exactly as engineered and tested, so you can trust the connection meets load requirements when all specified fasteners are used
Why This Product
- Purpose-built for large I-joist framing - sized and engineered for 4-5/8 in. x 20 in. engineered wood members, this hanger eliminates the guesswork of adapting a smaller or general-purpose connector to a demanding high-load application
- Faster installation without sacrificing strength - the positive-angle nailing geometry lets installers drive fasteners from a more natural angle, speeding up the nailing process while reducing the risk of splitting expensive engineered lumber
- Built-in corrosion protection - the G90 galvanized finish adds a layer of durability that helps protect the connection over the life of the structure, particularly in covered exterior or semi-exposed framing conditions
- Eliminates the need for web stiffeners - by handling high-load I-joist connections without requiring additional web stiffener blocking, this hanger simplifies the framing process and keeps commercial projects moving on schedule
Specifications
- MPN: MIU4.75/20
- Brand: Simpson Strong-Tie
- Member Size: 4-5/8 in. x 20 in.
- Width: 4-3/4 in.
- Height: 19-1/2 in.
- Seat Depth: 2-1/2 in.
- Gauge: 16
- Coating/Finish: Zinc Galvanized, G90
- Install With: 0.162 in. x 3-1/2 in. nails in the face and 0.148 in. x 1-1/2 in. nails in the header (sold separately)
- Country of Origin: United States
Frequently Asked Questions
- What size joist is the MIU4.75/20 designed to support?
- The MIU4.75/20 is designed to support an actual joist size of 4-5/8 in. x 20 in. engineered wood members.
- Do I need web stiffeners when using the MIU4.75/20?
- No. The MIU series hangers are specifically designed for commercial and high-load I-joist applications without requiring web stiffeners.
- What fasteners should be used to install the MIU4.75/20?
- Install with 0.162 in. x 3-1/2 in. nails in the face and 0.148 in. x 1-1/2 in. nails in the header. Always use all specified fasteners for a proper installation.
- Can the MIU4.75/20 hanger be modified or field-adjusted?
- No. These hangers cannot be modified. Verify that all specifications match your application requirements before installation.
Note: Product dimensions may differ from picture. Please see the item description above for specifications.
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