Simpson Strong-Tie JHA450/150 150mm Long Leg Joist Hanger For Timber to Timber Pre-galv.

Heavy-Duty Joist Hanger with Extended Legs for Superior Timber Support

The Simpson Strong-Tie JHA450/150 is a high-performance, long leg joist hanger engineered for supporting 150mm wide timber members—ideal for triple joist configurations (3 × 50mm). With a thicker gauge and extended legs compared to standard JHA models, it offers exceptional strength and stability in demanding structural applications.

Key Features

• Longer, Wider Legs: Provides increased bearing surface and support—especially suitable for high-load timber-to-timber connections.

• Thicker Gauge Steel: Fabricated from 1.5mm pre-galvanised mild steel for added durability and structural integrity.

• Stamped Installation Guide: Minimum and maximum nailing schedules are clearly marked on the straps to ensure compliant and safe fixing.

• Model Identification: Hanger model number and dimensions are stamped into the seat for quick on-site reference.

• Wider Strap Profile: Increases nail spacing and improves overall load distribution across the supporting structure.

Benefits

• Reliable support for larger joist assemblies or built-up timber beams

• Easy to install with clear, stamped fixing guidance

• Pre-galvanised finish protects against corrosion in standard environments

• Compatible with 3.75 x 30mm square twist nails, as per performance ratings

Product Dimensions

Pack Information

• Pack Size: 1 unit

• Manufacturer Part Number: JHA450/150

Applications

Ideal for supporting large timber joists, engineered beams, or compound timber elements in residential and commercial construction. Particularly suited for loft conversions, floor framing, and other timber-to-timber load-bearing scenarios where increased leg length and gauge are required.

Important Notes

• Fix using 3.75 × 30mm square twist nails, following the stamped nailing schedule.

• Ensure hanger is fixed securely and timber is seated fully before loading. Always follow Simpson Strong-Tie’s technical guidelines for best results.