Joist Hanger 4x4 in ZMAX Simpson Strong-Tie LUS44Z Steel 3.56x2x3 in The Simpson Strong-Tie LUS44Z joist hanger is a heavy-duty, 18-gauge galvanized steel connector engineered to securely support 4x4 nominal lumber in residential and light commercial framing applications. Featuring ZMAX corrosion-resistant coating?a premium finish offering enhanced protection in demanding environments?this hanger ensures long-term structural integrity. Its double-shear nailing design transfers load through two points per joist nail, significantly increasing connection strength while reducing the total number of fasteners required. The LUS44Z mounts on the face of the header and accommodates standard 16d nails for both header and joist connections, enabling faster, code-compliant installation without specialty fasteners. Ideal for decks, floors, and roof systems, this hanger delivers reliable, tested performance backed by Simpson Strong-Tie?s engineering standards. Features - Designed for 4x4 nominal lumber (actual 3.5 in x 3.5 in) - Double-shear nailing increases load capacity and reduces required fasteners - ZMAX galvanized finish provides superior corrosion resistance - 18-gauge steel construction for high strength and rigidity - Face-mount installation for straightforward alignment and nailing - Uses common 16d nails: 4 on header, 2 on joist (per manufacturer specs) - Precision-formed seat ensures full bearing support under joist - Meets building code requirements for structural wood connections - Compatible with standard framing practices and inspection standards - Part of Simpson Strong-Tie?s trusted LUS series for versatile joist-to-header connections Specifications - Brand Name: Simpson Strong-Tie - Model Name: Simpson Strong-Tie LUS44Z - Part Number: LUS44Z - Product Type: Joist Hanger - Material: Galvanized Steel - Finish: ZMAX - Gauge: 18 Ga. - Nominal Joist Size: 4 x 4 in - Product Dimensions: 3.56 x 2 x 3 inches (W x D x H) - Height: 3 in - Width: 3.5625 in (3-9/16 in) - Depth: 2 in - Fastener Type: Nails (16d) - Mounting Type: Face - Connection Type: Double Shear - Item Weight: 0.26 lb - Package Quantity: 1 (sold individually; 12 per standard retail pack) - Country of Origin: United States - UPC: 044315355301 - Global Trade Identification Number: 00044315355301 - Manufacturer: Simpson Strong-Tie Company Inc Product Application This joist hanger is used by framers, contractors, and DIY builders in structural wood applications where a secure, load-bearing connection between a 4x4 joist and a supporting header or beam is required. Commonly installed in deck construction, floor systems, porch framing, and light roof assemblies, the LUS44Z ensures consistent, code-approved support that resists rotation and uplift. The ZMAX finish makes it suitable for outdoor or high-moisture environments?such as coastal or humid regions?where standard galvanization may degrade prematurely. Its double-shear design not only enhances safety but also speeds up installation by minimizing nail count without sacrificing strength. Trusted on job sites nationwide, this hanger provides peace of mind through engineered reliability, helping maintain structural integrity over the life of the building.