Simpson Strong-Tie FACE FIX CONCEALED FLANGE HANGER-IUC

Discreet, High-Strength Hanger for Solid Timber and Engineered Joists

The Simpson Strong-Tie IUC is a face-mounted concealed flange hanger designed for use with solid timber sections and engineered joists. Ideal for applications where a clean aesthetic or minimal side projection is desired, the IUC delivers dependable support while keeping the flanges hidden from view.

Key Features

• Face Fix Design
  Mounts to the face of supporting members with flanges concealed within the hanger body, delivering a smooth, streamlined finish.

• Compatible with Solid or Engineered Timber
  Suitable for both traditional solid timber and modern engineered joist systems, making it a versatile solution for residential and light commercial builds.

• Minimal Skew Accommodation
  While not designed to be skewed, the hanger can accommodate up to 5° of joist skew, allowing slight site adjustment where needed.

• Compact and Discreet
  Ideal for exposed timber applications or areas where projection needs to be minimised for visual or spatial reasons.

• Corrosion Resistance
  Manufactured from pre-galvanised mild steel, offering durability and protection in dry or internal timber frame environments.

Benefits

• Clean, Concealed Finish
  Keeps flanges hidden, providing a neater appearance—especially suitable for architectural timber detailing or exposed joists.

• Strong and Reliable
  Maintains load-bearing performance without sacrificing aesthetics, with tested values across a range of joist depths and widths.

• Fast Installation
  Face-fix method allows quick alignment and secure fixing without the need for seat cutting or joist notching.

Material Specification

Product Details

Images

Applications

• Timber floor or roof systems with concealed connections

• Exposed timber work requiring a neat finish

• Residential and commercial joist framing

• Engineered joist-to-wall or joist-to-beam connections

Important Notes

• For concealed flange hangers wider than 91mm, refer to the SAI Hanger range in the Simpson Strong-Tie catalogue.

• Do not exceed 5° skew tolerance—this product is not designed for full skewed applications.

• Use only Simpson Strong-Tie recommended fasteners to achieve published load values.