Concrete Repair & Protective Coating Services in Sri Lanka

    Restore, Strengthen & Protect Your Concrete Structures from Tropical Deterioration

    Structural Repair Specialists
    Anti-Carbonation Coatings
    Epoxy Floor Systems
    10-Year Warranties

    Sri Lanka's tropical climate, with its high humidity, salt-laden coastal air, and intense UV radiation, creates the perfect storm for concrete deterioration. From hairline cracks to severe spalling, concrete damage not only compromises structural integrity but also poses serious safety risks and diminishes property value.

    Water Proof Specialist specializes in comprehensive concrete repair and protective coating solutions that not only restore damaged structures but provide long-term protection against future deterioration. Our advanced repair systems and protective coatings extend the life of your concrete by decades, saving you from costly reconstruction while maintaining aesthetic appeal.

    The True Cost of Concrete Deterioration:

    • Structural Failure Risk: Compromised load-bearing capacity can lead to catastrophic failure
    • Reinforcement Corrosion: Exposed steel rusts rapidly in Sri Lankan humidity
    • Safety Hazards: Falling concrete chunks pose serious injury risks
    • Property Devaluation: Visible concrete damage reduces value by 20-30%
    • Escalating Repair Costs: Minor cracks become major repairs if left untreated
    • Legal Liability: Property owners responsible for damage from falling concrete

    Understanding Concrete Problems

    Carbonation Damage

    Cause: CO₂ penetration reducing concrete alkalinity

    Effect: Reinforcement corrosion, spalling concrete

    Solution: Anti-carbonation coatings

    Chloride Attack

    Cause: Salt penetration from sea spray

    Effect: Rapid reinforcement corrosion

    Solution: Chloride-resistant barriers

    Spalling & Delamination

    Cause: Reinforcement corrosion causing expansion

    Effect: Concrete chunks falling off

    Solution: Patch repair with corrosion inhibitors

    Structural Cracks

    Cause: Flexural, shear, settlement, thermal stress

    Effect: Water entry, progressive deterioration

    Solution: Injection repair or flexible sealing

    Surface Deterioration

    Cause: Poor mix design, curing, weathering

    Effect: Progressive surface loss

    Solution: Surface treatment and protective coatings

    Chemical Attack

    Cause: Acid rain, sulfates, industrial chemicals

    Effect: Concrete dissolution, softening

    Solution: Chemical-resistant coatings

    Concrete Repair Solutions

    Crack Repair Systems

    Epoxy Injection

    Application: Structural cracks 0.1mm to 5mm, non-moving cracks requiring bonding

    • Tensile strength: >30 MPa
    • Bond strength: >2.5 MPa
    • Full cure: 7 days
    • Service life: 20+ years

    Polyurethane Injection

    Application: Active water leaks, moving cracks, void filling

    • Expansion ratio: 20-30 times
    • Reaction time: 30 seconds
    • Flexibility: 10% movement
    • Water reaction: Immediate

    Routing and Sealing

    Application: Surface cracks, moving joints, non-structural cracks

    • Polyurethane/Polysulfide sealants
    • Accommodates movement
    • UV resistant
    • Multiple color options

    Concrete Restoration

    Patch Repair Systems

    • Hand-applied repairs (5-50mm thickness)
    • Spray-applied repairs (large areas)
    • Form-and-pour repairs (deep sections)
    • Polymer-modified mortars
    • Fiber-reinforced mortars

    Reinforcement Treatment

    • Rust removal (mechanical/chemical)
    • Zinc-rich primers application
    • Epoxy coatings for steel
    • Corrosion inhibitors
    • Supplemental reinforcement

    Structural Strengthening

    Steel Plate Bonding

    Heavy-duty strengthening for severe deterioration and load increases

    • High load capacity increase
    • Epoxy adhesive bonding
    • Mechanical anchoring
    • Protective coating included

    Protective Coating Systems

    Anti-Carbonation Coatings

    Prevent CO₂ penetration while allowing moisture vapor transmission

    Acrylic Based

    Life: 7-10 years

    • Good CO₂ barrier
    • UV resistant
    • Water-based

    Siloxane Based

    Life: 10-15 years

    • Excellent durability
    • Breathable
    • Water repellent

    Polyurethane Based

    Life: 15-20 years

    • Superior barrier
    • Chemical resistant
    • Flexible

    Chloride Barrier Coatings

    Prevent salt penetration in coastal environments

    Epoxy Coatings

    Life: 10-15 years

    • 100% barrier
    • Chemical resistant
    • Hard wearing

    Polyurea Coatings

    Life: 20+ years

    • Rapid cure
    • Extreme durability
    • Flexible

    Silane/Siloxane

    Life: 7-10 years

    • Penetrating sealer
    • Invisible finish
    • Breathable

    Epoxy Floor Systems

    Durable, seamless floor protection for industrial and commercial use

    Self-leveling Epoxy

    • Seamless finish
    • Chemical resistant
    • Easy to clean

    Epoxy Mortar

    • Heavy-duty
    • Impact resistant
    • Thick build

    Metallic Epoxy

    • Decorative
    • Unique patterns
    • High gloss

    Polyurethane Floor Coatings

    Flexible, UV-stable coatings for external and high-traffic areas

    Roll-on Coatings

    • UV stable
    • Easy application
    • Multiple colors

    Self-leveling PU

    • Smooth finish
    • Flexible
    • Temperature resistant

    Heavy-duty Systems

    • Traffic resistant
    • Impact proof
    • Long-lasting

    Specialized Coatings

    Fire-Resistant Coatings

    1-4 hour fire ratings for steel and concrete

    Chemical-Resistant Coatings

    Vinyl ester, Novolac epoxy systems for harsh environments

    The Water Proof Specialist Process

    1

    Assessment

    Day 1

    Detailed visual inspection, non-destructive testing, sample collection, photo documentation, preliminary report with cost estimation and project timeline

    2

    Preparation

    Days 2-3

    Safety barriers, dust protection, equipment setup, concrete removal (deteriorated), surface cleaning, reinforcement preparation, primer application

    3

    Repair Execution

    Days 10-25

    Reinforcement treatment, concrete restoration, crack injection, joint treatment, strengthening if required, with daily quality control and photo documentation

    4

    Coating Application

    Days 5-10

    Final surface preparation, primer application, multiple coat system, curing management, adhesion testing, and thickness measurement

    5

    Finishing

    Handover Day

    Touch-ups, cleaning, waste removal, barrier removal, completion certificate, warranty documentation, maintenance guide, and as-built records

    Total Duration: 30-60 days (typical project)

    Frequently Asked Questions

    Why Choose Water Proof Specialist

    Technical Excellence

    • Advanced testing equipment
    • Factory-trained teams
    • Premium materials only
    • 15+ years expertise

    Project Management

    • Detailed planning
    • Safety first approach
    • Stage inspections
    • Daily progress updates

    Proven Performance

    • 500+ projects completed
    • Major clients (RDA, UDA)
    • Zero structural failures
    • CIDA SP1 Grade

    Request Concrete Repair Pricing

    Fill in the details below and we'll get back to you with a customized quote

    We'll respond within 24 hours with a customized quote for your project.

    Start Your Concrete Restoration

    Don't wait for minor concrete problems to become major structural issues. Get professional assessment today!

    Contact Us

    info@waterproofspecialist.lk
    Waterproof specialist
    No83/1/1, Pagoda road
    Nugegoda

    Service Hours

    Regular: Monday-Saturday, 8:00 AM - 6:00 PM

    Emergency: 24/7 for structural issues

    Response Time: Within 24 hours

    Schedule Free Assessment

    Ready to Protect Your Property?

    Get your FREE waterproofing inspection and quotation today. Our experts will assess your needs and recommend the perfect solution.

    500+
    Projects Completed
    15+
    Years Experience
    100%
    Satisfaction