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GROUTING & REPAIR · APPLIED SYSTEM

Structural
RepairSPALLED · CORRODED · LOAD-RESTORING

A concrete rebuild system for sections damaged by spalling, corrosion or impact. Loose, carbonated concrete is cut back, exposed reinforcement is cleaned and protected, and the profile is rebuilt with high-strength polymer-modified repair mortars — restoring the original section, cover and load capacity.

SECTION REBUILD CROSS-SECTION REFERENCE DIAGRAM — TAP STAGES BELOW
Section RebuildProfile Restored
Rebar CareClean & Protect
High-StrengthRepair Mortar
Load-RestoringCapacity Regained
01
OVERVIEW

What is Structural Repair?

Structural repair is the rebuilding of concrete that has lost section through spalling, reinforcement corrosion, impact or deterioration. Unsound, carbonated concrete is cut back to a solid base, corroded steel is cleaned and treated with an anti-corrosion coat, and the missing profile is rebuilt with high-strength, polymer-modified repair mortars bonded to the parent concrete. The result restores the original section, the cover protecting the steel and the load-carrying capacity of the member. It is delivered as a POLYZEN Applied System, surveyed and installed by trained applicators.

Cut back to sound concrete Rebar clean & anti-corrosion Polymer-modified repair mortar Section & cover restored
02
THE POLYZEN SYSTEM

How the Repair Is Built

A damaged section is rebuilt from the steel outward — cut back, the reinforcement protected, then the profile restored in bonded high-strength mortar. Tap any stage to see its role.

⟶ Tap a stage
05

Cure & Protective Finish

Sealed & Durable

The rebuilt section is cured and, where exposure demands, finished with a protective or anti-carbonation coating to slow future deterioration and match the surrounding surface. System values: Per TDS.

03
POLYZEN APPLIED SYSTEM

Delivered as a POLYZEN Applied System

This repair is delivered as a POLYZEN Applied System — surveyed, specified and installed turnkey by trained applicators using high-strength repair mortars, anti-corrosion rebar treatment and bonding agents. The mortar grade, build and protection strategy are selected per member, exposure and structural assessment.

04
WHY IT WORKS

Repair the Cause, Not Just the Surface

Most concrete damage starts at the steel — corrosion expands the rebar and bursts the cover. Skimming over it traps the problem and it returns. POLYZEN's method removes all unsound concrete, treats the reinforcement at the source, then rebuilds with a bonded high-strength mortar so the section and its protective cover are genuinely restored. Mortar grade and protection are matched to each member. Performance is confirmed on the product TDS.

Mechanism
Cut back, treat rebar, rebuild in mortar
Protection
Anti-corrosion coat on cleaned steel
Outcome
Section, cover & load capacity restored
POLYZEN Values
Per Product TDS

Mortar grade, build thickness, rebar treatment and protective finish are specified per member, exposure and structural assessment. Where load capacity is in question, a structural engineer's input is recommended. POLYZEN confirms finished values on the product TDS and does not publish fabricated figures.

05
FROM SURVEY TO REBUILT SECTION

The Application Process

01

Inspect & Assess

Identify the cause and extent of damage, then define repair scope, mortar grade and protection strategy.

02

Cut Back & Clean

Break out unsound concrete to a solid base, expose and clean corroded reinforcement to bright steel.

03

Treat & Rebuild

Anti-corrosion coat and bonding bridge, then rebuild the profile in high-strength repair mortar.

04

Finish & Handover

Cure, protective coat where needed, final inspection and written warranty.

06
TECHNICAL SUMMARY

System Specifications

PropertyDetail
System TypeStructural Concrete Repair (Section Rebuild)
DeliveryPOLYZEN Applied System (turnkey)
MethodCut-back · rebar treatment · mortar rebuild
Repair MaterialHigh-strength polymer-modified repair mortar
Rebar ProtectionAnti-corrosion coat + bonding bridge
ApplicationBeams · Columns · Slabs · Soffits · Facades
OutcomeSection · cover · load capacity restored
Coverage / ValuesPer Product TDS
07
WHERE IT IS USED

Ideal Applications

Corroded Beams & Columns
Spalled Slab Soffits
Building Facades & Chajjas
Bridges & Flyovers
Water-Retaining Structures
Industrial & Marine Structures
08
09
ASSURANCE

Applied & Warranted

Every POLYZEN structural repair is carried out by trained applicators and handed over after a final inspection and a written system warranty. Warranty terms are confirmed per member, exposure and structural assessment.

10
FAQ

Frequently Asked Questions

What is structural concrete repair?
It is the rebuilding of concrete that has lost section through spalling, reinforcement corrosion, impact or deterioration. Unsound concrete is cut back to a solid base, corroded steel is cleaned and treated, and the lost profile is rebuilt with high-strength polymer-modified mortar — restoring the original section, the cover over the steel and the load-carrying capacity of the member.
How is this different from epoxy injection grouting?
Injection grouting re-bonds a crack from the inside by driving resin into it. Structural repair rebuilds lost section — where concrete has spalled or corroded away — by cutting back, treating the reinforcement and replacing the profile in repair mortar. Cracks call for injection; missing or crumbling concrete calls for structural repair. POLYZEN recommends the right one during survey.
Why must the reinforcement be exposed and treated?
Most spalling is driven by corroding steel, which expands and bursts the cover. If the rebar is only skimmed over, corrosion continues underneath and the repair fails. The system fully exposes and cleans the steel and applies an anti-corrosion coat so the cause is addressed, not hidden.
Does it restore the load capacity of the member?
A correctly executed repair restores the original section, cover and capacity for typical deterioration. Where load capacity is in question or the damage is severe, POLYZEN recommends a structural engineer's assessment, and the repair is carried out to that specification.
Is this a POLYZEN Applied System?
Yes. Structural repair is delivered as a POLYZEN Applied System — surveyed, specified and installed turnkey by trained applicators, with mortar grade, rebar treatment and protective finish selected per member, exposure and structural assessment.
Does POLYZEN provide a warranty?
Yes. Every repair is handed over after a final inspection and a written system warranty, with terms confirmed per member, exposure and structural assessment.
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Rebuild Every Damaged Section.

Get a site survey, damage assessment and quote for structural concrete repair.