The Simpson RPS18 RPS 18-5/16 in. 16-Gauge Galvanized Retrofit Strap Tie (Model RPS18) is a Simpson Strong-Tie repair strap engineered for wood members where pipes and ducts are installed. Fabricated from 16-gauge steel with a G90 zinc galvanized coating for lasting corrosion resistance, this retrofit strap tie fits on the narrow face of a 2x member and meets IBC, IRC, and City of Los Angeles code requirements for HVAC and pipes in walls - making it a reliable, code-compliant solution for light repairs and heavy-duty structural reinforcement alike.

Key Features

• Repair strap for wood members where pipes and ducts are installed
• Fits on the narrow face of a 2x member
• Fasten where plates or soles are cut, at wall intersections or as a ridge tie
• Staggered nail pattern for optimized load transfer and fastener placement
• Made from 16-gauge steel for dependable strength
• Galvanized (G90) for corrosion resistance
• Meets IBC, IRC, and City of Los Angeles code requirements for HVAC and pipes in walls
• Made in the United States

Specifications

• Model Number: RPS18
• Gauge: 16
• Width: 1-1/2 in.
• Length: 18-5/16 in.
• Coating/Finish: Zinc Galvanized, G90
• Country of Origin: United States
• Installation Fasteners: (12) 0.162 in. x 2-1/2 in. nails (sold separately)

Approved Applications

• Reinforcing wood members where pipes or ducts have been cut through wall framing
• Fastening where plates or soles are cut during HVAC or plumbing installation
• Securing wall intersections requiring additional structural support
• Use as a ridge tie in applicable framing connections
• Code-compliant repair for IBC, IRC, and City of Los Angeles HVAC and pipe-in-wall applications

Frequently Asked Questions

What is the RPS18 designed to repair?

The RPS18 is a repair strap specifically designed for wood members where pipes and ducts are installed. It reinforces framing that has been cut or notched to accommodate HVAC components, plumbing pipes, or other mechanical systems within wall assemblies.

What fasteners are required to install the RPS18?

The RPS18 should be installed with (12) 0.162 in. x 2-1/2 in. nails. The strap features a staggered nail pattern to optimize fastener placement and load distribution across the connection.

Does the RPS18 meet building code requirements?

Yes. The RPS18 meets IBC, IRC, and City of Los Angeles code requirements for HVAC and pipes in walls, making it suitable for use in code-inspected residential and commercial construction projects.

How does the RPS18 fit on lumber, and what size member does it accommodate?

The RPS18 is designed to fit on the narrow face of a 2x member. With a width of 1-1/2 in. and a length of 18-5/16 in., it aligns precisely with standard dimensional lumber to provide a secure, flush connection at cut plates, soles, wall intersections, or ridge applications.

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