Concrete preservation requires attention to both the concrete and the reinforcing steel inside it. For owners and engineers managing parking structures, bridges and industrial facilities, addressing deterioration means looking beyond the visible surface.
SURTREAT works inside the concrete. A technology fact sheet published by Purdue University’s Emerging Construction Technologies program describes SURTREAT as a sequential chemical treatment system designed to improve concrete properties and inhibit reinforcing-steel corrosion.
The publication describes formulations that penetrate the concrete microstructure in liquid and vapor form, interact with the cement phase and deposit on steel components—connecting surface application with protection within the substrate.
Multiple benefits. One preservation strategy.
The fact sheet reports testing results across several performance measures:
Improved compressive strength: Reported increases of 300–1,000 psi, depending on original concrete strength and the number of applications.
Higher flexural strength: A reported increase from 423 to 543 psi, addressing concrete’s resistance to bending.
Corrosion inhibition: A reported 70% reduction in half-cell corrosion potential after treatment.
Resistance to water and chloride penetration: Reported improvements relevant to concrete exposed to moisture and salts.
Improved surface durability: Reported benefits in hardness, wear performance and resistance to surface loss during freeze-thaw testing.
These are historical results summarized in the publication, not guaranteed outcomes for every structure. The fact sheet attributes the testing it describes to NASA Kennedy Space Center laboratories.
What this means for your next repair project
The practical opportunity is to evaluate concrete alongside necessary repairs. A project review should consider the condition of retained concrete, corrosion activity, exposure conditions and the treatment fit with the proposed repair system.
Application planning matters. The fact sheet identifies clean, accessible concrete porosity as a requirement and calls for removal of existing sealers, curing compounds and coatings. It also notes that some concrete mixtures may require sample evaluation before treatment selection.
For engineers and asset owners, the next step is a project-specific assessment that connects the desired performance with appropriate preparation, treatment and verification. Chemical preservation complements necessary structural repairs; it does not replace them.
Discuss your concrete preservation project with SURTREAT.
Contact our team to review the substrate, exposure conditions and technical documentation for a suitable treatment approach.
JF Jad