Simpson Strong-Tie SPR91/140 89-91mm Slope Adjustable Joist Hanger 1.5mm PreGalv

Flexible On-Site Adjustable Hanger for Sloped Timber Connections

The Simpson Strong-Tie SPR91/140 is a slope adjustable joist hanger engineered to provide adaptable support for rafters or joists connecting to timber members. Designed to allow slope adjustment of up to ±45°, this hanger offers an ideal solution for angled roof framing or pitched timber construction. Its wide profile accommodates joist widths of 89–91mm, with supported timber heights ranging from 145mm to 250mm.

Manufactured from 1.5mm pre-galvanised steel, the SPR91/140 is built for reliable performance in internal and protected structural applications.

Key Features

• ±45° On-Site Slope Adjustment
  Slope can be adjusted both upward and downward, on-site, to match project-specific roof or joist angles.

• Supports Larger Timber Sizes
  Accommodates timber heights between 145mm and 250mm, offering flexibility across a range of framing conditions.

• Engineered for Timber-to-Timber Connections
  Ideal for supporting rafters or joists onto beams, wall plates, or other structural timber elements.

• Pre-Galvanised for Corrosion Resistance
  1.5mm thick steel with a galvanised finish ensures long-term performance in sheltered or dry environments.

• Easy Installation with Standard Nails
  Designed to be fixed using 3.75 x 30mm square twist nails, widely available and simple to apply.

Material & Specification

• Material: Pre-galvanised steel

• Thickness: 1.5mm

• Compatible Joist Width: 89–91mm

• Supported Timber Heights: 145mm – 250mm

• Fixing Requirement: 3.75 x 30mm square twist nails

• Manufacturer: Simpson Strong-Tie

• Product Code: SPR91/140

• Pack Size: 1 unit

Common Applications

• Pitched roof rafters supported from timber beams

• Vaulted ceilings and inclined timber framing

• Custom or angled joist installations

• New builds and timber framing renovations