Simpson Strong-Tie® Composite Strengthening Systems (CSS) are designed, tested and manufactured to offer high-performance solutions and lasting results. CSS products are efficient fibre reinforced polymer (FRP) strengthening solutions used to increase or restore the load-carrying capacity, ductility, and seismic resistance to a variety of structures.

State-of-the-art composite strengthening systems meeting or exceeding industry standards.

Fiber Reinforced Polymer (FRP) Systems are simply defined as high-strength and lightweight reinforcements created by combining carbon or glass fibres bonded with adhesive resins. The utilisation of FRP strengthening systems have become increasingly popular in construction and retrofit applications, specifically in ageing, damaged or overloaded concrete structures.