Product Description
The Simpson ITS3.56/9.5 Top-Flange Joist Hanger by Simpson is built to deliver fast, reliable connections for 3-1/2 in. x 9-1/2 in. engineered wood I-joists. The innovative Strong-Grip seat and Funnel Flange design set a new standard for EWP top-flange hangers, allowing standard I-joist installation without joist nails and without web stiffeners - reducing fastener count and cutting installation time compared to conventional hangers. Whether you're framing a residential floor system or a light commercial structure, this hanger is engineered to handle the demands of modern engineered wood construction.
Key Features
- Strong-Grip seat accommodates flange thickness from 1 1/8 in. to 1 1/2 in. - firmly secures a wide range of I-joist flange dimensions without additional adjustment, keeping installation straightforward on the job site
- No joist nailing required for standard I-joist installation without web stiffeners - fewer fasteners means faster installation and lower overall labor and material costs
- 18-gauge steel construction - provides a strong, durable connection capable of handling the loads typical of engineered wood framing applications
- Zinc Galvanized, G90 coating - offers enhanced corrosion resistance to help maintain structural integrity in moisture-prone environments
- Installs with 0.148 in. x 3 in. nails (sold separately) - uses a specified, readily available fastener for straightforward, code-consistent installation
Why This Product
- Faster installation, lower installed cost - the Funnel Flange and Strong-Grip seat work together to eliminate joist nailing for standard I-joist applications, directly reducing the time and fasteners needed on every connection
- Purpose-built for engineered wood members - designed specifically for 3-1/2 in. x 9-1/2 in. I-joists, this top-flange hanger fits common EWP dimensions used in modern floor and roof framing without modification
- Built-in corrosion protection - the G90 galvanized finish provides a meaningful layer of defense against rust and degradation, supporting long-term performance in demanding conditions
- Manufactured in the United States by a trusted structural connector brand - Simpson backs this hanger with the engineering standards and quality controls that contractors and builders rely on for load-bearing applications
Specifications
- MPN: ITS3.56/9.5
- Member Size: 3-1/2 in. x 9-1/2 in.
- Width (W): 3-5/8 in.
- Height (H): 9-7/16 in.
- B: 2 in.
- Gauge: 18
- Coating/Finish: Zinc Galvanized, G90
- Install With: 0.148 in. x 3 in. nails (sold separately)
- Top Flange: 1-7/16 in.
- Country of Origin: United States
Options
- Contact us for Configurable Options and Special orders
Note: Product dimensions and/or fastener holes may differ from picture. Please see item description for specifications.
Frequently Asked Questions
What size joist is the ITS3.56/9.5 designed to fit?
This hanger is designed for an actual joist size of 3-1/2 in. x 9-1/2 in., making it suitable for standard engineered wood I-joists in that dimension.
Does installing this hanger require joist nails?
No. The innovative Strong-Grip seat and Funnel Flange design allow standard I-joist installation without requiring joist nails, provided web stiffeners are not needed, which significantly reduces installation time and fastener count.
What I-joist flange thicknesses does the Strong-Grip seat accommodate?
The Strong-Grip seat firmly secures I-joists with flange thicknesses ranging from 1 1/8 in. to 1 1/2 in.
What fasteners should be used to install this joist hanger?
This hanger should be installed with 0.148 in. x 3 in. nails for proper and code-compliant installation.
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