Simpson Stair Strap

The Simpson Stair Strap (MSTA) is a load-rated metal connector designed to reinforce wood framing by resisting tension forces in wood-to-wood applications. Commonly used in stair framing, floor systems, and structural connections, this strap helps strengthen joints and improve overall stability. The Simpson Stair Strap is a simple, effective solution for reinforcing wood framing connections, improving strength, and increasing structural stability in stair and framing applications.

Key Benefits

• Reinforces wood connections to resist tension loads
• Helps reduce movement in stairs and framing
• Staggered nail pattern minimizes wood splitting
• Precut design for faster, easier installation
• Suitable for structural reinforcement applications

Common Uses

• Stair stringer reinforcement
• Floor-to-floor framing connections
• Wall and floor bracing
• General wood-to-wood structural connections

Specifications

• Model: MSTA (Medium Strap Tie)
• Material: Steel
• Application: Wood-to-wood connections
• Installation: Face-mounted to framing members
• Design Feature: Staggered nail pattern

FAQ

What is a stair strap used for?
A stair strap is used to reinforce wood framing connections, especially in stair systems, to resist tension forces and improve stability.

Can this be used outside of stairs?
Yes, it is commonly used in floor framing, wall bracing, and other structural wood connections.

Does this help prevent wood splitting?
Yes, the staggered nail pattern is designed to reduce the risk of splitting during installation.