The Simpson Strong-Tie WP29.25 is a 1-1/2 x 9-1/4 Welded Top-Flange Joist Hanger engineered to deliver outstanding performance and adaptability in a wide range of structural framing applications. Designed to support joists on purlins or beams, this hanger is built to handle wood-to-wood, wood-to-steel, and cold-formed steel connections with equal reliability. Its welded construction and top-flange design make it a trusted solution for contractors and builders seeking a durable, low-profile hanger that installs quickly and efficiently.

Key Features

• Exceptional Skew Flexibility: Can be skewed up to 84 deg., accommodating a wide range of non-standard framing angles with ease.
• Generous Slope Capacity: Supports sloped installations up to a maximum of 45 deg., making it suitable for roof framing and other pitched applications.
• Multi-Application Compatibility: Engineered for wood-to-wood, wood-to-steel, and cold-formed steel connections.
• Top-Flange Design: Provides secure, stable bearing and a clean installation profile when supporting joists on purlins or beams.
• Economical Low-Installed-Cost Design: Requires a small number of nails or screws to achieve maximum download capacity, reducing both labor time and fastener costs.
• Welded Construction: Delivers consistent structural integrity across the full assembly.
• Simpson Strong-Tie Gray Paint Finish: Standard finish provides corrosion resistance for typical interior applications; select models available hot-dip galvanized as a custom order.
• Made in the USA: Manufactured domestically to Simpson Strong-Tie quality standards.

Specifications

• Model Number: WP29.25
• Description: 1-1/2 x 9-1/4 Welded Top-Flange Joist Hanger
• Stirrup Material: 97 mil (12 ga.)
• Finish: Simpson Strong-Tie Gray Paint; select models available hot-dip galvanized as a Custom Order
• Maximum Skew: Up to 84 deg.
• Maximum Slope: Up to 45 deg.
• Country of Origin: United States

Approved Applications

• Supporting joists on purlins or beams in residential and commercial framing
• Wood-to-wood structural connections
• Wood-to-steel structural connections
• Cold-formed steel framing applications
• Sloped roof and pitched framing assemblies (up to 45 deg.)
• Skewed framing configurations (up to 84 deg.)

Options

• Contact us for Configurable Options and Special orders
• Refer to the Special-Order Worksheet for ease of ordering a Custom WP Hanger

Frequently Asked Questions

What types of connections is the WP29.25 compatible with?

The WP29.25 is engineered for wood-to-wood, wood-to-steel, and cold-formed steel connections, making it a versatile choice for a wide range of structural framing applications.

How much skew and slope can this joist hanger accommodate?

The WP29.25 can be skewed up to 84 deg. and supports sloped installations up to a maximum of 45 deg., making it well suited for non-standard framing angles and pitched roof framing applications.

What finish does the WP29.25 come with, and are other finish options available?

The WP29.25 comes standard with a Simpson Strong-Tie gray paint finish, which provides corrosion resistance for typical interior applications. Hot-dip galvanized models are available as a custom order for environments requiring enhanced corrosion protection.

How does the top-flange design affect installation efficiency?

The top-flange design provides secure, stable bearing when supporting joists on purlins or beams and delivers a clean, low-profile installation. The hanger also requires only a small number of nails or screws to achieve maximum download capacity, which reduces both labor time and fastener costs.