From shopping centres and sectional title complexes to large residential estates and industrial facilities — Sealtek delivers high-performance waterproofing and surface protection systems backed by real technical support.

Our regional teams work alongside architects, contractors, developers and property managers to extend the lifespan of every surface we treat.

Roof Waterproofing Services

Sealtek uses paint-on, roll-on and airless spray techniques to apply the best liquid waterproofing products for your type of roof. Whether it’s concrete, metal, or tiles, our products effectively cover a greater surface area and enhance your roof’s longevity.

  • Our Roof Waterproofing Services Include

    • Leak detection and repair
    • Complete roof waterproofing systems
    • Roof restoration and refurbishment
    • Preventative maintenance programmes
    • Emergency leak repairs

  • Key Benefits of Professional Waterproofing by Sealtek Cape

    • Up to 70% cost savings vs roof replacement
    • Superior UV protection for South African conditions
    • Seamless application with no joints or weak points
    • Colour options to match existing roof appearance
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Basement Waterproofing

Basement waterproofing requires specialised knowledge and products to address unique challenges like hydrostatic pressure and rising damp. Sealtek's basement waterproofing solutions provide comprehensive moisture protection for residential and commercial applications.

  • Basement Waterproofing Services:

    • Internal Waterproofing – Basement walls and floors
    • External Waterproofing – Foundation protection
    • Rising Damp Treatment – Advanced damp-proofing systems
    • Moisture Control – Comprehensive moisture management
    • Structural Protection – Long-term foundation preservation

  • Why Professional Basement Waterproofing Matters:

    • Prevents costly structural damage
    • Eliminates mould and mildew risks
    • Protects valuable storage and equipment
    • Maintains healthy indoor air quality
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Balcony Waterproofing

The impact of a balcony that’s not properly waterproofed can be devastating on your property. Water damage from balconies causes extensive interior and exterior problems. Sealtek's balcony specialists deliver comprehensive solutions that protect both above and below.

  • Balcony Waterproofing Solutions:

    • Complete Balcony Systems – Comprehensive waterproofing from scratch
    • Failed System Replacement – Removing and replacing failed waterproofing
    • Tile Removal & Replacement – Professional tile lifting and replacement
    • Hard-Wearing Finishes – Durable epoxy coatings for foot traffic

  • Our Balcony Waterproofing Process:

    • Thorough assessment of existing conditions
    • Professional removal of failed materials
    • Surface preparation and priming
    • Application of Sealtek waterproofing system
    • Installation of hard-wearing protective finish
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Damp Proofing Services

Damp problems require quick, professional intervention to prevent escalation. Sealtek provides expert damp proofing services using advanced detection methods and proven treatment solutions

  • Damp Proofing Services:

    • Rising Damp Treatment – Injection and barrier systems
    • Lateral Damp Solutions – Wall and foundation treatment
    • Condensation Control – Ventilation and moisture management
    • Pre-Construction Damp Proofing – Preventative installations

  • Signs You Need Damp Proofing:

    • White salt deposits on walls (efflorescence)
    • Musty odours and mould growth
    • Peeling paint or wallpaper
    • Damp patches on walls or ceilings
    • Damaged skirting boards or flooring
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Failed Torch-On Replacement

When torch-on waterproofing fails, Sealtek has a proven track record of excellence in removal and replacement. Our liquid waterproofing systems offer superior performance and longevity compared to traditional torch-on methods.

  • Why Replace Torch-On with Liquid Systems:

    • No Joints or Seams – Eliminates common failure points
    • Superior Flexibility – Accommodates building movement
    • Easier Application – Faster installation with less disruption
    • Better Longevity – Superior UV resistance and durability

  • Our Torch-On Replacement Process:

    • Safe removal of failed torch-on membrane
    • Thorough surface preparation and cleaning
    • Application of appropriate primer system
    • Installation of liquid waterproofing system
    • Quality control and final inspection
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Commercial and Industrial Waterproofing Services

Sealtek handles complex commercial and industrial waterproofing projects with the expertise and resources required for large-scale applications. Our team understands the unique challenges of commercial properties and industrial facilities.

  • Commercial Services:

    • Shopping Centres – Roof and plaza waterproofing
    • Office Buildings – Comprehensive building envelope protection
    • Warehouses – Industrial roof waterproofing systems
    • Factories – Specialised coatings for harsh environments

  • Industrial Applications:

    • Chemical Plants – Chemical-resistant coating systems
    • Food Processing – Hygienic waterproofing solutions
    • Mining Facilities – Heavy-duty protection systems
    • Power Plants – High-temperature resistant coatings
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Waterproofing Maintenance Services

Regular maintenance is crucial for maximising the lifespan of your waterproofing system. Sealtek offers comprehensive maintenance programmes to ensure continued protection and early detection of potential issues.

  • Maintenance Services Include:

    • Annual Inspections – Professional condition assessments
    • Preventative Cleaning – Drainage cleaning and debris removal
    • Minor Repairs – Early intervention to prevent major issues
    • Protective Coating Renewal – Extending system lifespan

  • Benefits of Regular Maintenance:

    • Extends waterproofing system lifespan
    • Prevents minor issues becoming major problems
    • Maintains warranty requirements
    • Reduces long-term costs
    • Ensures continued performance
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Waterproofing Material Supply for Applicators

Sealtek supplies a full range of professional-grade waterproofing and coating materials to applicators across South Africa. Whether you're tackling a large-scale roof system, balcony, or floor, we’ve got you covered

  • Materials Include:

    • Liquid-applied waterproofing systems
    • Primers and surface prep materials
    • Reinforcement fabrics and accessories
    • Coatings, sealants, and top finishes

  • Why Applicators Choose Sealtek

    • Full System Supply
    • Proven Product Performance
    • Trade-Focused Support
    • Bulk Pricing & Flexible Orders
    • Easy-to-Apply Systems
    • Ideal for Big Jobs
    • Nationwide Delivery
    • Application Guides & Technical Sheets
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Service Guarantee & Quality Assurance

All Sealtek waterproofing services carry our comprehensive 5-year written guarantee when installed by Sealtek Accredited Applicators and maintained according to our specifications.