The Simpson HU46SS is a heavy-duty, stainless-steel face-mount joist hanger built for structural framing connections that demand additional strength and safety factors. Engineered by Simpson Strong-Tie for nominal 4x6 lumber, this HU-series hanger is constructed from 14-gauge stainless steel and designed to perform reliably in exterior deck and porch framing, pressure-treated wood applications, and code-compliant residential and commercial projects where a standard hanger simply is not enough. Simpson Strong-Tie connectors are tested, load rated, and trusted by engineers and contractors to make structures stronger, safer, and easier to build.

Key Features

• 14-gauge stainless-steel construction - delivers the heavy-duty rigidity needed for structural connections requiring additional load capacity and long-term durability.
• Stainless-steel finish for superior corrosion resistance - makes this hanger the right choice for exterior applications and framing that involves pressure-treated, fire-retardant-treated, or other treated lumber that can degrade standard coatings over time.
• Extra optional triangle holes - give installers the ability to add fasteners for increased load performance when project conditions or engineering requirements call for it.
• HU-series hangers are tested, load rated, and code compliant - so contractors and builders can use them with confidence on projects subject to building code requirements without guesswork.
• Face-mount design for nominal 4x6 lumber with a 3-9/16 in. seat width - ensures a precise, secure fit that simplifies installation and keeps framing members properly aligned.

Why This Product

• Built specifically for demanding exterior and treated-wood framing - the stainless-steel material resists the accelerated corrosion that treated lumber and outdoor exposure cause, protecting the structural integrity of the connection over the life of the project.
• Heavy-duty performance where standard hangers fall short - the HU-series face-mount design is engineered for structures requiring additional strength and safety factors, making it the appropriate choice when load demands exceed what lighter-gauge hangers are rated to handle.
• Tested, rated, and code compliant right out of the box - Simpson Strong-Tie connectors are engineered and tested to perform, giving builders, inspectors, and engineers a reliable paper trail for code-sensitive residential and commercial projects.
• Flexible fastening with optional triangle holes - the ability to add fasteners for additional load means this hanger can adapt to varying engineering requirements without swapping to a different product.

Specifications

• Manufacturer Part Number (MPN): HU46SS
• Series: HU (Heavy-Duty Face-Mount Joist Hanger)
• Nominal Member Size: 4x6
• Height: 4-3/4 in.
• Width: 3-9/16 in.
• Seat Depth: 2-1/2 in.
• Steel Gauge: 14-gauge
• Material: Stainless Steel
• Finish / Coating: Stainless Steel
• Country of Origin: United States

Approved Applications

The HU46SS is designed for use in applications where heavy-duty joist connections and enhanced safety factors are required, including:

• Exterior deck and porch framing where corrosion resistance is critical
• Connections involving pressure-treated, fire-retardant-treated, or other treated lumber
• Structural framing projects subject to building code compliance requirements
• Residential and commercial structures requiring additional load capacity beyond standard joist hangers

Installation Fastener Requirements

Install with (8 - 12) 0.162-in. x 3-1/2-in. stainless-steel ring-shank nails in the header and (4 - 6) 0.148-in. x 3-in. stainless-steel ring-shank nails in the joist.

Note: Fasteners are not included. Use only the specified stainless-steel fasteners to maintain code compliance and achieve rated load values.

Options

• Contact us for Configurable Options and Special orders

Frequently Asked Questions

What size lumber is the HU46SS designed to fit?

The HU46SS is designed for nominal 4x6 lumber. It features a seat width of 3-9/16 inches to accommodate this member size.

Why should I choose the stainless-steel version over a standard joist hanger?

The stainless-steel construction of the HU46SS provides extra corrosion resistance compared to standard galvanized hangers, making it the preferred choice for exterior applications and connections involving pressure-treated wood, where standard finishes may be more susceptible to corrosion over time.

What fasteners are required to install the HU46SS?

Installation requires 8-12 stainless-steel ring-shank nails measuring 0.162 in. x 3-1/2 in. for the header, and 4-6 stainless-steel ring-shank nails measuring 0.148 in. x 3 in. for the joist.

Is the HU46SS code compliant, and can it handle additional load if needed?

Yes. HU-series hangers are tested, load rated, and code compliant, meeting rigorous performance standards. The HU46SS also features extra optional triangle holes that allow for additional load capacity when a project requires it.