The Simpson LUS310 Face-Mount Joist Hanger is an easy-to-install, economical connector engineered to provide reliable support underneath joists, rafters, and beams for a strong, secure connection. Designed by Simpson for 3x10 nominal lumber, this widely used hanger features a patented double-shear nailing design that distributes the load through two points on each joist nail, delivering greater strength while reducing the total number of nails required and allowing the use of all common nails for the same connection. The G90 zinc galvanized finish adds a durable layer of corrosion resistance, making it a dependable choice for framing applications where long-term performance matters.

Key Features

• Patented double-shear nailing design provides greater strength with fewer nails - load is distributed through two points on each joist nail, reducing fastener count without sacrificing structural performance and allowing the use of all common nails for the same connection
• Speed prongs for fast and easy installation - prongs grip the lumber during positioning so the installer can drive fasteners without holding the hanger in place, saving time on the job
• Angled joist nailing easier in tight spaces - nails are driven at an angle through the joist into the header, making it practical to complete the connection even in confined framing conditions
• Made from 18-gauge steel - provides a solid, rigid hanger body that maintains its shape under load for a consistent, code-compliant connection
• Galvanized (G90) finish for extra corrosion resistance - the zinc G90 coating outperforms standard coatings in moisture-prone environments, helping the hanger hold up over the life of the structure
• Do not bend or remove tabs - tabs are structural elements of the hanger design; keeping them intact is required to achieve the rated load capacity

Why This Product

• Fewer nails, faster framing - the patented double-shear design means each nail works harder, so builders can complete structural joist connections with less hardware and less time spent driving fasteners, without compromising rated strength
• Built-in installation conveniences for real job-site conditions - speed prongs and an angled nailing configuration work together to make this hanger practical to install even in tight or awkward framing layouts where a standard hanger would slow the work down
• G90 galvanized protection for long-term durability - the zinc G90 coating provides a higher level of corrosion resistance than basic finishes, giving contractors and homeowners confidence that the connection will remain sound in framing environments exposed to moisture over time
• A trusted Simpson design for 3x10 lumber framing - engineered specifically for 3x10 nominal member sizes, this hanger is a widely used, field-proven solution for decks, floor systems, and roof framing where a reliable face-mount rafter or joist connection is required

Specifications

• Model Number: LUS310
• Member Size: 3x10
• Seat Depth: 2 in.
• Gauge: 18
• Coating/Finish: Zinc Galvanized, G90
• Width: 2-9/16 in.
• Height: 7-1/4 in.
• Country of Origin: United States

Frequently Asked Questions

What fasteners should be used to install the LUS310?

Install with Simpson Strong-Tie Strong-Drive SD Connector screws: (6) #9 x 1-1/2 in. screws in the header AND (4) #9 x 2-1/2 in. screws in the joist, OR (10) 0.162 in. x 3-1/2 in. Strong-Drive SCN Smooth-Shank Connector nails (Models: SD9112, SD9212, 16DHDG).

What is the benefit of the double-shear nailing design?

The patented double-shear nailing design distributes the load through two points on each joist nail, providing greater strength while allowing for fewer nails and faster installation. It also allows the use of all common nails for the same connection.

How does the G90 galvanized coating benefit this hanger?

The G90 zinc galvanized finish provides extra corrosion resistance compared to standard coatings, making the LUS310 better suited for environments where moisture exposure is a concern.

Are there any installation precautions to keep in mind?

Yes. Do not bend or remove the tabs on the hanger. Joist nails must be driven at an angle through the joist or truss into the header to achieve the rated table loads. Use all specified fasteners as indicated in the load tables. This hanger is not designed for welded or nailer applications.

Downloads and Resources

• Face-Mount Hangers - Solid Sawn Lumber (DF / SP) Tables
• Face-Mount Hangers - Solid Sawn Lumber (SPF / HF) Tables

Note: Product dimensions and/or Screw or Bolt holes may differ from picture. Please see item description for specifications.