Simpson Strong-Tie SAI500/91/2 91mm Width x 205mm Height Concealed Hanger Pre-galv

Part Number: SAI500/91
Pack Size: 1 Hanger

Heavy-Duty Concealed Joist Hanger for Timber and Masonry Applications

The Simpson Strong-Tie SAI500/91/2 is a high-strength concealed face-fix hanger, crafted for structural applications that demand additional load-bearing performance. Suitable for both timber-to-timber and timber-to-masonry connections, it provides a clean, hidden fixing solution ideal for architectural or exposed timber designs. The hanger is made from 2mm pre-galvanised mild steel and includes bolt holes for 12mm fixings, allowing use with Rawl R-KF2 and M12 studs when anchoring into masonry.

Key Features

• Concealed heavy-duty hanger designed for high-performance timber support

• Accommodates 91mm wide joists and supports timber depths with a hanger height of 205mm

• Can be fixed to timber, steel, masonry, or I-joist headers

• Includes bolt holes for 12mm face fixings

• Formed from standard-length blanks, making it suitable for a range of timber heights

Benefits

• Provides a neat, hidden connection for structural or aesthetic applications

• Minimises visible fixings in exposed timber architecture

• Supports a wide range of installation types with multi-substrate compatibility

• Robust 2.0mm steel construction ensures structural reliability

• Reduces product variation required on-site due to its adaptable size

Specifications

Typical Applications

• Timber joist and beam connections

• Concealed fixings for architectural timber frames

• Timber-to-masonry supports in structural or decorative projects

• Load-bearing floor and roof systems in new builds or retrofits

Important Note

To prevent joist rotation, the hanger depth must cover at least 60% of the carried timber’s height, unless lateral restraint is added at the top. Always install in accordance with local building regulations and structural guidelines. Not recommended for marine or corrosive environments without further protective measures.