Materials Engineering at the Ionic Level
Surface-Applied Technology Engineered to Work Inside Concrete
Concrete appears solid, but its cement paste contains a network of capillary pores, microcracks and moisture-accessible pathways. Water, chlorides and other aggressive ions use these pathways to penetrate the concrete, reach reinforcing steel and accelerate deterioration.
Conventional coatings attempt to cover this vulnerability.
SURTREAT TPS II changes the concrete itself.
TPS II is a water-based treatment engineered to transport reactive ionic chemistry into hardened concrete. Once inside, it reacts with available calcium compounds to create additional cementitious material, refine the pore structure and improve the concrete’s physical and electrochemical properties.
This process is called Ion-Exchange Densification—IED.
Concrete Is Not Chemically Finished
Portland-cement hydration produces calcium silicate hydrate—commonly called C-S-H—which provides much of concrete’s strength. Hydration also leaves calcium hydroxide, moisture and interconnected voids within the cement paste.
TPS II uses this internal chemistry as part of its treatment mechanism.
In simplified form:
Reactive silicate + calcium hydroxide → additional calcium silicate hydrate + soluble reaction products
Actual concrete chemistry is more complex, involving a highly alkaline pore solution containing calcium, sodium, potassium, hydroxyl and other ionic species. The engineering significance is that TPS II promotes new mineral-forming reactions within accessible pores and discontinuities.
The result is a denser, more cohesive concrete matrix—not merely a coated surface.
How Ion-Exchange Densification Works
1. Ionic penetration
As a low-viscosity aqueous treatment, TPS II enters moisture-accessible capillaries and microcracks. Movement within the concrete is influenced by:
Capillary absorption
Concentration gradients
Ionic diffusion
Internal moisture
Pore connectivity
Surface preparation
Original water-cement ratio and degree of hydration
2. Mineral-forming reaction
Reactive silicate species encounter available calcium-bearing compounds and participate in continuing cementitious reactions.
These reactions are designed to:
Form additional calcium silicate hydrate and related mineral phases
Convert accessible void space into solid reaction products
Densify porous or weakened areas of the cement paste
Fill fine discontinuities within the treated matrix
3. Pore refinement
Concrete durability depends not only on total porosity, but also on pore size, continuity and connectivity.
As new cementitious material develops:
Effective pore size is reduced.
Internal pathways become less continuous.
Moisture movement becomes more difficult.
Contaminant transport follows a more tortuous route.
The treated matrix becomes denser and more cohesive.
This is more than temporary pore blocking. TPS II chemically modifies accessible regions within the substrate.
One Treatment—Multiple Engineering Effects
Ion-exchange densification produces several interconnected benefits:
Matrix densification: Additional cementitious material strengthens porous regions within the concrete.
Reduced permeability: A refined pore network limits the movement of water and contaminant-bearing solutions.
Increased matrix cohesion: Mineral growth improves the integrity of the treated cement paste.
Improved resistance to contaminant transport: Chlorides and other aggressive ions encounter fewer direct pathways through the concrete.
Higher electrical resistivity: Reduced continuity of moisture-filled pores can make ionic current more difficult to sustain.
Support for alkalinity: The treatment chemistry helps maintain conditions favorable to reinforcing-steel passivation.
Microvoid and fine-discontinuity filling: Reactive material develops within accessible spaces rather than remaining only at the surface.
These effects are not isolated. Together, they improve the environment surrounding embedded reinforcing steel.
Densification and Corrosion Control
Reinforcing-steel corrosion is an electrochemical process. It requires:
Anodic areas where iron oxidizes
Cathodic areas where reduction reactions occur
Steel to conduct electrons
Moisture and dissolved ions to conduct ionic current through the concrete
Wet, porous and chloride-contaminated concrete provides an efficient environment for this corrosion circuit. The resulting corrosion products occupy more volume than the original steel, creating expansive forces that lead to:
Cracking
Delamination
Spalling
Loss of reinforcing-steel cross-section
Reduced structural capacity
Repeated repair cycles
TPS II addresses this deterioration process through an integrated strategy:
Matrix densification restricts pathways for moisture and aggressive ions.
Reduced permeability slows the entry and movement of additional contaminants.
Increased resistivity can impede the ionic current needed to sustain corrosion.
Anodic corrosion inhibition is designed to act at corrosion-prone areas of embedded reinforcing steel.
Improved alkalinity supports conditions favorable to steel passivation.
TPS II therefore acts on both the concrete transport system and the embedded-steel corrosion mechanism.
Why Electrical Resistivity Matters
Concrete functions as the electrolyte in a reinforcing-steel corrosion cell. When its pores contain conductive moisture and dissolved salts, ionic current moves more readily between anodic and cathodic regions.
By densifying the matrix and reducing the connectivity of moisture-filled pores, TPS II can increase concrete resistivity. Higher resistivity alone does not eliminate every corrosion risk, but it can make the electrochemical environment less favorable to active corrosion.
TPS II operates across multiple engineering scales:
Molecular: Reactive ions participate in mineral-forming reactions.
Microscopic: Pores and fine discontinuities become less connected.
Material: Strength, permeability and resistivity can improve.
Electrochemical: Conditions supporting reinforcement corrosion become less favorable.
Structural: Major deterioration mechanisms can be slowed, supporting longer service life.
Not a Surface Film
Film-forming coatings can provide useful protection, but they depend on continuous adhesion and long-term surface integrity. Cracking, abrasion, pinholes, ultraviolet exposure, hydrostatic pressure and vapor transmission can compromise their performance.
TPS II follows a different engineering philosophy:
It is applied at the surface but designed to function within the concrete.
It uses the substrate’s moisture and chemistry to transport reactive species.
It densifies accessible pathways instead of simply covering their openings.
It does not rely exclusively on a surface film for protection.
Its effects result from chemical and mineral changes within the concrete.
It can remain compatible with appropriately selected repairs, overlays, coatings and protection systems.
TPS II changes the substrate—not merely the surface.
Where TPS II Can Be Applied
TPS II can be incorporated into preservation strategies for:
Parking garages and elevated decks
Bridges and transportation structures
Marine and waterfront concrete
Tunnels and transit facilities
Foundations and below-grade structures
Industrial plants
Water and wastewater infrastructure
Precast concrete
Balconies, façades and podium slabs
Structures exposed to deicing salts or marine chlorides
Existing concrete requiring service-life extension
Depending on exposure conditions and project objectives, TPS II may be combined with concrete repair, vapor-phase corrosion inhibition, water repellency, protective coatings or structural strengthening.
Advanced Chemistry Requires Engineered Application
TPS II is not a substitute for structural evaluation or sound engineering judgment. Treatment design should consider:
Concrete condition and permeability
Chloride and moisture profiles
Carbonation depth
Reinforcing-steel cover
Active corrosion measurements
Delamination and spall surveys
Crack type and width
Existing sealers or coatings
Surface preparation
Exposure environment
Required service-life objective
Performance may be evaluated using project-appropriate methods such as:
Absorption or permeability testing
Concrete resistivity measurements
Corrosion-potential mapping
Polarization-resistance testing
Chloride profiling
Compressive or tensile-strength testing
Petrographic examination
Treatment-depth or chemical-profile analysis
The objective is not simply to apply a product. It is to diagnose the deterioration mechanism, establish measurable performance criteria and engineer a preservation system around the structure’s actual condition.
The Next Generation of Concrete Preservation
The future of concrete preservation cannot depend solely on removing damaged material and replacing it with new material exposed to the same underlying conditions.
It requires technologies capable of changing those conditions.
TPS II represents that transition:
From surface coverage to internal chemical modification
From passive sealing to reactive densification
From single-function protection to integrated corrosion control
From symptom repair to deterioration-mechanism management
From repeated repair cycles to engineered service-life extension
SURTREAT TPS II is surface-applied technology engineered to work inside concrete—creating a denser, stronger and more durable matrix while helping protect the reinforcing steel within it.
Not a surface film. Concrete materials engineering at the ionic level.
Surface-Applied Technology Engineered to Work Inside Concrete
Concrete appears solid, but its cement paste contains a network of capillary pores, microcracks and moisture-accessible pathways. Water, chlorides and other aggressive ions use these pathways to penetrate the concrete, reach reinforcing steel and accelerate deterioration.
Conventional coatings attempt to cover this vulnerability.
SURTREAT TPS II changes the concrete itself.
TPS II is a water-based treatment engineered to transport reactive ionic chemistry into hardened concrete. Once inside, it reacts with available calcium compounds to create additional cementitious material, refine the pore structure and improve the concrete’s physical and electrochemical properties.
This process is called Ion-Exchange Densification—IED.
Concrete Is Not Chemically Finished
Portland-cement hydration produces calcium silicate hydrate—commonly called C-S-H—which provides much of concrete’s strength. Hydration also leaves calcium hydroxide, moisture and interconnected voids within the cement paste.
TPS II uses this internal chemistry as part of its treatment mechanism.
In simplified form:
Reactive silicate + calcium hydroxide → additional calcium silicate hydrate + soluble reaction products
Actual concrete chemistry is more complex, involving a highly alkaline pore solution containing calcium, sodium, potassium, hydroxyl and other ionic species. The engineering significance is that TPS II promotes new mineral-forming reactions within accessible pores and discontinuities.
The result is a denser, more cohesive concrete matrix—not merely a coated surface.
How Ion-Exchange Densification Works
1. Ionic penetration
As a low-viscosity aqueous treatment, TPS II enters moisture-accessible capillaries and microcracks. Movement within the concrete is influenced by:
Capillary absorption
Concentration gradients
Ionic diffusion
Internal moisture
Pore connectivity
Surface preparation
Original water-cement ratio and degree of hydration
2. Mineral-forming reaction
Reactive silicate species encounter available calcium-bearing compounds and participate in continuing cementitious reactions.
These reactions are designed to:
Form additional calcium silicate hydrate and related mineral phases
Convert accessible void space into solid reaction products
Densify porous or weakened areas of the cement paste
Fill fine discontinuities within the treated matrix
3. Pore refinement
Concrete durability depends not only on total porosity, but also on pore size, continuity and connectivity.
As new cementitious material develops:
Effective pore size is reduced.
Internal pathways become less continuous.
Moisture movement becomes more difficult.
Contaminant transport follows a more tortuous route.
The treated matrix becomes denser and more cohesive.
This is more than temporary pore blocking. TPS II chemically modifies accessible regions within the substrate.
One Treatment—Multiple Engineering Effects
Ion-exchange densification produces several interconnected benefits:
Matrix densification: Additional cementitious material strengthens porous regions within the concrete.
Reduced permeability: A refined pore network limits the movement of water and contaminant-bearing solutions.
Increased matrix cohesion: Mineral growth improves the integrity of the treated cement paste.
Improved resistance to contaminant transport: Chlorides and other aggressive ions encounter fewer direct pathways through the concrete.
Higher electrical resistivity: Reduced continuity of moisture-filled pores can make ionic current more difficult to sustain.
Support for alkalinity: The treatment chemistry helps maintain conditions favorable to reinforcing-steel passivation.
Microvoid and fine-discontinuity filling: Reactive material develops within accessible spaces rather than remaining only at the surface.
These effects are not isolated. Together, they improve the environment surrounding embedded reinforcing steel.
Densification and Corrosion Control
Reinforcing-steel corrosion is an electrochemical process. It requires:
Anodic areas where iron oxidizes
Cathodic areas where reduction reactions occur
Steel to conduct electrons
Moisture and dissolved ions to conduct ionic current through the concrete
Wet, porous and chloride-contaminated concrete provides an efficient environment for this corrosion circuit. The resulting corrosion products occupy more volume than the original steel, creating expansive forces that lead to:
Cracking
Delamination
Spalling
Loss of reinforcing-steel cross-section
Reduced structural capacity
Repeated repair cycles
TPS II addresses this deterioration process through an integrated strategy:
Matrix densification restricts pathways for moisture and aggressive ions.
Reduced permeability slows the entry and movement of additional contaminants.
Increased resistivity can impede the ionic current needed to sustain corrosion.
Anodic corrosion inhibition is designed to act at corrosion-prone areas of embedded reinforcing steel.
Improved alkalinity supports conditions favorable to steel passivation.
TPS II therefore acts on both the concrete transport system and the embedded-steel corrosion mechanism.
Why Electrical Resistivity Matters
Concrete functions as the electrolyte in a reinforcing-steel corrosion cell. When its pores contain conductive moisture and dissolved salts, ionic current moves more readily between anodic and cathodic regions.
By densifying the matrix and reducing the connectivity of moisture-filled pores, TPS II can increase concrete resistivity. Higher resistivity alone does not eliminate every corrosion risk, but it can make the electrochemical environment less favorable to active corrosion.
TPS II operates across multiple engineering scales:
Molecular: Reactive ions participate in mineral-forming reactions.
Microscopic: Pores and fine discontinuities become less connected.
Material: Strength, permeability and resistivity can improve.
Electrochemical: Conditions supporting reinforcement corrosion become less favorable.
Structural: Major deterioration mechanisms can be slowed, supporting longer service life.
Not a Surface Film
Film-forming coatings can provide useful protection, but they depend on continuous adhesion and long-term surface integrity. Cracking, abrasion, pinholes, ultraviolet exposure, hydrostatic pressure and vapor transmission can compromise their performance.
TPS II follows a different engineering philosophy:
It is applied at the surface but designed to function within the concrete.
It uses the substrate’s moisture and chemistry to transport reactive species.
It densifies accessible pathways instead of simply covering their openings.
It does not rely exclusively on a surface film for protection.
Its effects result from chemical and mineral changes within the concrete.
It can remain compatible with appropriately selected repairs, overlays, coatings and protection systems.
TPS II changes the substrate—not merely the surface.
Where TPS II Can Be Applied
TPS II can be incorporated into preservation strategies for:
Parking garages and elevated decks
Bridges and transportation structures
Marine and waterfront concrete
Tunnels and transit facilities
Foundations and below-grade structures
Industrial plants
Water and wastewater infrastructure
Precast concrete
Balconies, façades and podium slabs
Structures exposed to deicing salts or marine chlorides
Existing concrete requiring service-life extension
Depending on exposure conditions and project objectives, TPS II may be combined with concrete repair, vapor-phase corrosion inhibition, water repellency, protective coatings or structural strengthening.
Advanced Chemistry Requires Engineered Application
TPS II is not a substitute for structural evaluation or sound engineering judgment. Treatment design should consider:
Concrete condition and permeability
Chloride and moisture profiles
Carbonation depth
Reinforcing-steel cover
Active corrosion measurements
Delamination and spall surveys
Crack type and width
Existing sealers or coatings
Surface preparation
Exposure environment
Required service-life objective
Performance may be evaluated using project-appropriate methods such as:
Absorption or permeability testing
Concrete resistivity measurements
Corrosion-potential mapping
Polarization-resistance testing
Chloride profiling
Compressive or tensile-strength testing
Petrographic examination
Treatment-depth or chemical-profile analysis
The objective is not simply to apply a product. It is to diagnose the deterioration mechanism, establish measurable performance criteria and engineer a preservation system around the structure’s actual condition.
The Next Generation of Concrete Preservation
The future of concrete preservation cannot depend solely on removing damaged material and replacing it with new material exposed to the same underlying conditions.
It requires technologies capable of changing those conditions.
TPS II represents that transition:
From surface coverage to internal chemical modification
From passive sealing to reactive densification
From single-function protection to integrated corrosion control
From symptom repair to deterioration-mechanism management
From repeated repair cycles to engineered service-life extension
SURTREAT TPS II is surface-applied technology engineered to work inside concrete—creating a denser, stronger and more durable matrix while helping protect the reinforcing steel within it.
Not a surface film. Concrete materials engineering at the ionic level.
JF Jad