The Simpson HUC48Z HUC ZMAX Galvanized Face-Mount Concealed-Flange Joist Hanger for 4x8 is a heavy-duty structural connector built for framing projects that demand additional strength and elevated safety factors. Engineered by Simpson to face-mount 4x8 nominal wood joists to wood, masonry, and concrete headers, this hanger combines structural reliability with a clean finished appearance thanks to its concealed header flanges - making it a practical choice for both hidden and exposed framing conditions. The ZMAX galvanized coating delivers extra corrosion resistance, keeping this connector well-suited for exterior builds and pressure-treated lumber applications.

Key Features

• Concealed header flanges - tuck out of sight against the header for cleaner visible lines in exposed framing, so the structure looks as good as it performs
• ZMAX galvanization - provides extra corrosion resistance beyond standard galvanized coatings, making this hanger a reliable fit for exterior construction and treated-wood framing
• 14-gauge steel construction - delivers the heavy-duty strength required for structures with additional load and elevated safety requirements
• Extra optional triangle holes - allow additional fasteners to be added where higher load capacity is needed, giving installers flexibility to meet specific project demands
• Tested, load rated, and code compliant - the HUC series meets established standards, so builders and inspectors can rely on verified performance data
• Compatible with wood, masonry, and concrete headers - one hanger works across multiple substrate types, reducing the need to source different connectors for different framing conditions
• 3-9/16 in. seat width matched to 4x8 nominal joists - ensures a precise, stable fit that supports proper load transfer without shimming or adjustment

Why This Product

• Strength where it counts - designed specifically for structures requiring additional strength and safety factors, this hanger goes beyond standard joist hangers to support demanding structural applications
• Aesthetics and structure in one - the concealed header flanges keep metal hardware hidden from view in exposed conditions, so heavy-duty performance does not come at the cost of a clean, finished look
• Built for tough environments - ZMAX galvanization offers extra corrosion resistance compared to standard finishes, making this connector a dependable long-term choice for exterior framing and pressure-treated lumber
• Versatile substrate compatibility - approved for face-mounting to wood, masonry, and concrete headers, this hanger adapts to a wide range of residential and commercial framing situations without requiring a different product for each application

Specifications

• MPN: HUC48Z
• Member Size: 4x8
• Height: 6-1/8 in.
• Width: 3-9/16 in.
• Seat Depth: 2-1/2 in.
• Gauge: 14
• Coating / Finish: ZMAX
• Install With: (10-14) 0.162 in. x 3-1/2 in. nails in the header and (4-6) 0.148 in. x 3 in. nails in the joist OR (20) #10 x 1-1/2 in. Strong-Drive SD Connector screws (sold separately)
• Country of Origin: United States

Approved Applications

• Face-mounting 4x8 nominal wood joists to wood headers
• Face-mounting 4x8 nominal wood joists to masonry
• Face-mounting 4x8 nominal wood joists to concrete
• Exterior construction and pressure-treated wood framing applications
• Structures requiring additional strength and elevated safety factors
• Exposed framing conditions where concealed flanges provide cleaner visible lines

Options

• Contact us for Configurable Options and Special orders

Frequently Asked Questions

What fasteners are required to install the HUC48Z?

The HUC48Z can be installed using (10-14) 0.162 in. x 3-1/2 in. nails in the header and (4-6) 0.148 in. x 3 in. nails in the joist, or alternatively with (20) #10 x 1-1/2 in. Strong-Drive SD Connector screws.

Why does the HUC48Z have concealed header flanges?

The concealed header flanges are designed to provide cleaner visible lines in exposed framing conditions, making this hanger a preferred choice where aesthetics matter alongside structural performance.

Is the HUC48Z suitable for use with pressure-treated lumber and exterior applications?

Yes. The HUC48Z features ZMAX galvanization, which offers extra corrosion resistance specifically intended for exterior and treated-wood applications.

Are the HUC-series hangers code compliant?

Yes. HUC-series hangers are tested, load rated, and code compliant, providing confidence for use in structural applications requiring documented performance data.

Note: Product dimensions and/or nail holes may differ from picture. Please see item description and spec sheet for specifications.