The Simpson Light Slope/Skew U Hanger is a flexible rafter connector from Simpson Strong-Tie built to handle the demands of angled framing with confidence. Engineered to attach double joists or rafters to headers, this hanger adjusts to accommodate slopes and skews in any combination, making it a practical choice for roof framing, deck construction, and other structural applications where members meet at non-square angles.

Key Features

• Adjustable slope and skew up to 45 deg. in any direction - handles a wide range of angled framing conditions without requiring custom hardware or time-consuming modifications
• Attaches double joists or rafters to headers - provides a secure, load-bearing connection at the header for both rafter and joist framing configurations
• Designed for post-placement installation - can be installed after rafters are already in place, giving framing crews flexibility in sequencing and reducing the risk of costly rework
• Web stiffener compatibility for I-joist applications - supports engineered lumber assemblies when web stiffeners are used, broadening the range of jobsite applications this connector can serve
• Domestic manufacturing by Simpson Strong-Tie - built to the quality standards expected from a trusted name in structural connectors

Why This Product

• True multi-directional adjustability - the ability to slope up or down and skew left or right up to 45 deg. means one connector type covers a broad spectrum of framing angles, reducing the need to stock multiple specialized hangers for different roof or deck configurations
• Jobsite sequencing made easier - because the hanger can be installed after rafters are already positioned, crews are not locked into a rigid installation order, which helps keep projects moving when conditions on site change
• Designed for structural integrity under angled loads - the requirement to attach a sloped joist at both ends ensures horizontal forces from the slope are fully supported, meaning the connection is engineered to perform correctly under real-world loading, not just pass a visual inspection
• Backed by Simpson Strong-Tie engineering - the LSU series comes from a brand with deep roots in structural connector design, giving builders and inspectors confidence in specifying and approving the product for framing applications

Specifications

• Model Number: LSU4.12
• Description: Light Slope/Skew U Hanger
• Brand: Simpson Strong-Tie
• Series: LSU
• Maximum Slope/Skew Adjustment: Up to 45 deg.
• Width: 4-1/8 in.
• A: 2-1/4 in.
• Height: 9 in.
• Country of Origin: United States

Frequently Asked Questions

Can the LSU4.12 be installed after the rafters are already in place?

Yes. One of the key advantages of the LSU4.12 is that it makes it possible to install the hanger after the rafters are already in place, making it a practical choice when sequencing is a concern on the jobsite.

What is the maximum slope or skew angle this hanger can accommodate?

The LSU4.12 can accommodate slopes up or down and skews left or right up to 45 deg., providing significant adjustability for a variety of framing configurations.

Are web stiffeners required when using the LSU4.12 with I-joists?

Yes. Web stiffeners are required for I-joist applications both during installation and to ensure proper load transfer at both ends of the connector.

What must be considered when attaching a sloped joist with the LSU4.12?

When attaching a sloped joist, it must be attached at both ends so that the horizontal force developed by the slope is fully supported by the supporting members. This ensures structural integrity and proper load distribution.

Note: Product dimensions and/or Nail or Screw holes may differ from picture. Please see item description for specifications.