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Discipline 06 · Corporate ProfileEN 1504-3 (Class R4) / ASTM C881 / ACI 546R / ASTM C158310-Year Certified Warranty

Concrete Repair & Rehabilitation

Structural crack injection, spalling repair, and element strengthening utilizing non-shrink grouts and polymer mortars.

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Certified Applicator & Manufacturer Partners

Authorized technical applicator for approved international systems

Verified Applicator

Structural repair, high-pressure polyurethane & epoxy crack injection, and Class R4 fiber-reinforced mortars certified per EN 1504.

Sika Egypt

Sika Egypt

Concrete Repair & Injection Systems Partner

Sika MonoTop-412 / Sikadur-52 / Sikadur-31
Master Builders Solutions (MBS)

Master Builders Solutions (MBS)

Structural Rehabilitation Partner

MasterEmaco S / MasterInject / MasterBrace
Mapei Egypt

Mapei Egypt

Injection Resins & Polymer Mortars Partner

Planitop / Epojet / Resfoam 1 KM
Prokem

Prokem

Chemicals & Rebar Passivators Partner

Addicrete Repair Series

International Standard Specifications

EN 1504-3 (Class R4) / ASTM C881 / ACI 546R / ASTM C1583
EN 1504-3

Products for the Repair of Concrete Structures - Structural Mortar

Compressive Strength & Elastic Modulus

Class R4 Certified (Compressive > 45 MPa)
ASTM C881

Epoxy-Resin-Base Bonding Systems for Concrete

Injection Viscosity, Bond & Shear Strength

Type I, II, IV, V (Grade 1 Low Viscosity)
ACI 546R

Concrete Repair Guide (American Concrete Institute)

Investigation, Rebar Passivation & Methodologies

Full Engineering Compliance
ASTM C1583

Tensile Strength of Concrete Surfaces and Bond Strength

Direct Tensile Pull-Off Bond Strength

> 2.0 MPa (Failure in Parent Concrete)
EN 1504-5

Concrete Injection Products and Systems

Crack Sealing & Expanding Hydrophilic Resin

Type F (Elastic) & Type D (Ductile)

Verified Mechanical & Performance Metrics

Compressive Strength (28d)
> 55 N/mm²
EN 12190 (Class R4)
Direct Tensile Adhesion
> 2.2 MPa
ASTM C1583
Static Elastic Modulus
> 20 GPa
EN 13412
Carbonation Resistance
dk ≤ Reference Concrete
EN 13295
Capillary Water Absorption
< 0.2 kg/(m²·h^0.5)
EN 1062-3

Engineering Scope & Specifications

Engineered rehabilitation of structural defects, honeycomb cavities, and dynamic cracks using high-pressure epoxy and hydrophilic polyurethane resin injection alongside fiber-reinforced polymer mortars to restore design structural integrity.

Technical Features & Performance

Non-shrink structural repair mortars
Precision high and low-pressure injection systems
Active rebar anti-rust passivating treatments

Typical Areas of Application

Column & Beam Structural StrengtheningHydrostatic Water-Leak Injection in BasementsBridge Rehabilitation & Heritage Structure Repair

Executed Case Studies

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Military Technical College - Labs & Engineering Workshops
Cairo, Egypt
2022Case Study

Contractor: شركة البستان / شركة هاي بيلد (Al Bustan / High Build Company)

Military Technical College - Labs & Engineering Workshops

Consultant: الهيئة الهندسية للقوات المسلحة / Armed Forces Engineering Authority

Structural concrete remediation, spall repair, and anti-corrosion heavy-duty epoxy floor coating.

Case Study Details: Military Technical College - Labs & Engineering Workshops22,000 m²
Administrative Building for the Golf Complex in the Fifth Settlement
Fifth Settlement, New Cairo, Egypt
2023Contracted

Contractor: Golf Company / شركة الجولف للتطوير العقاري

Administrative Building for the Golf Complex in the Fifth Settlement

Consultant: Al-Golf Company / الإدارة الاستشارية لمجمع الجولف

Concrete rehabilitation, elastomeric polyurethane joint injection, and parking floor surfacing.

Case Study Details: Administrative Building for the Golf Complex in the Fifth Settlement8,500 m²

Engineering Datasheet

Discipline ID:
06 / 07
Primary Code:
EN 1504-3 (Class R4) / ASTM C881 / ACI 546R / ASTM C1583
Warranty:
10 Years
Partners:
4 Global
Site Visit:
Complimentary

Request Technical RFQ

Receive a certified bill of quantities, technical proposal, and site inspection from our engineering office.

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Technical Consultation

Contact our site engineers and technical office directly:

+20 1281015604