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Repair, Protection and Strengthening Systems for Concrete and Masonry

Repair, Protect, and Strengthen

Simpson Strong-Tie has become a trusted manufacturer of chemical, mechanical, direct-fastening, and carbide drill bits and accessories since entering the market in 1994. Now in our 20th year, we continue to expand to provide the most comprehensive product offering to serve infrastructure, commercial, industrial and residential construction markets. These innovative products are the result of more than 40 years of laboratory development, field study and contractor input and have passed the rigorous performance and quality assurance testing you have come to expect from Simpson Strong-Tie. We will continue to expand upon this line of repair, protection and strengthening products and provide our customers with industry leading jobsite, technical and customer support.

Composite Strengthening Systems

Simpson Strong-Tie® Composite Strengthening Systems™ (CSS) provide code- and non-code listed solutions for structural reinforcement. Developed in-house, our fiber-reinforced polymer (FRP) system is designed to the specific requirements of each jobsite or condition and features the industry’s first code-listed laminate. Our fabrics include both unidirectional and bidirectional carbon and E-glass, and may be ordered and cut to size.

Composite Strengthening Systems

FX-70® Structural Repair and Protection System

In 1970, the FX-70® Structural Repair and Protection System made in-place repair of damaged concrete, steel and wood piles possible and practical, an industry first. By eliminating the need to dewater the site or build cofferdams, the FX-70 system drastically reduces the overall expense and loss-of-use cost as the structure can generally remain in service with the repair is executed.

FX-70® Structural Repair and Protection System

Repair and Protection Systems for Concrete and Masonry

The repair, protection and strengthening solutions developed by Simpson Strong-Tie are the result of over 40 years of laboratory development, field study and collaboration with professional contractors. Each of these products have passed the performance and quality assurance protocols that are expected of Simpson Strong-Tie, and have been selected to address the unique challenges of Industrial, Marine and Agribusiness structures.

Repair and Protection Systems for Concrete and Masonry

How to Install FX-70 Jackets in Water


See how the Simpson Strong-Tie FX-70® Structural Repair and Protection System, an innovative repair solution for severe structural damage of concrete, steel and wood piles, is installed in water.

FRP Best Practices Series

FRP Webinars

In this free webinar series we dive into some very important considerations including the latest industry standards, material properties and key governing limits when designing with FRP.

Watch Advanced FRP Design Principles Now Watch FRP Strengthening Design Fundamentals Now