Not all waterproofing products are created equal. Many property owners make costly mistakes by choosing cheap alternatives that fail within months, forcing expensive re-applications and potential structural damage.
Generic products from overseas aren’t designed for South Africa’s extreme UV exposure, temperature fluctuations, and unique weather patterns—leaving your investment vulnerable.
You need waterproofing solutions that actually work in our harsh climate, backed by proven performance and professional support. Yet with countless products on the market making unrealistic claims, how do you separate genuine quality from expensive disappointments?
Premium Sealtek waterproofing products can cost less than inferior alternatives but can last 5-10 times longer, making them significantly more cost-effective over time.
Locally-Manufactured Sealtek Products Designed for South African Conditions
Proven Performance – Tested and proven across thousands of South African projects in diverse climate conditions.
Climate-Specific Formulation – Engineered specifically for SA’s intense UV, temperature extremes, and weather patterns.
Comprehensive Product Range – Complete solutions for every substrate including concrete, tiles, metal, and asbestos roofs.
Professional-Grade Quality – Superior durability and performance compared to retail alternatives.
Technical Support – Expert guidance to ensure you select the right product for your specific application.
Local Manufacturing – Consistent supply, competitive pricing, and supporting the South African economy.
All Sealtek products carry a 5-year guarantee when correctly installed by Sealtek Accredited Applicators and maintained according to our specifications.
Pure Acrylic Waterproof Coating
Ideal for slabs, flat roofs, and foundations, HydroBlock provides exceptional waterproofing performance with excellent adhesion properties. This versatile coating creates a seamless barrier that flexes with building movement while maintaining complete water resistance.
Applications: Concrete slabs, flat roofs, foundations, balconies.
Coverage: Approximately 4-6m² per litre (depending on substrate).
Pure Acrylic Waterproof Coating – Extremely Flexible
Our most flexible waterproofing solution, HydroFlex is specifically formulated for areas with significant structural movement. Perfect for areas prone to settling, thermal expansion, or seismic activity.
Applications: Expansion joints, roof details, complex geometries.
Coverage: Approximately 4-6m² per litre.
Complete Waterproofing System
A comprehensive waterproofing solution for flat roofs, slabs, and foundations requiring maximum protection. The Armtek System combines multiple components for superior performance in demanding applications.
Applications: Commercial flat roofs, industrial slabs, critical waterproofing areas.
Coverage: System dependent on application requirements.
Water Based Styrene Acrylic Decorative Wall Paint
A high-performance decorative coating that provides both aesthetic appeal and weather protection. Weather Coat offers excellent durability whilst maintaining breathability for healthy building performance.
Applications: External walls, textured surfaces, decorative finishes.
Coverage: Approximately 8-10m² per litre.
Polymeric Substrate Stabiliser
A specialised polymeric mixture that enhances substrate stability and provides an ideal foundation for subsequent waterproofing applications. Repellam penetrates deep into porous surfaces for lasting protection.
Applications: Substrate preparation, porous concrete, stabilisation treatments.
Pure Acrylic Waterproof Coating
Specifically formulated for roof restoration projects, Roof Renew provides excellent waterproofing whilst restoring the appearance of aged roof surfaces. Contains UV stabilisers for long-term protection.
Applications: Tile roofs, metal roofs, roof restoration projects.
Coverage: Approximately 4-6m² per litre.
Pure Acrylic Waterproof Coating
Also available for roof applications, HydroFlex provides the same exceptional flexibility for roofing systems with complex details or significant movement requirements.
Acrylic Thermal Insulating Paint System
Developed specifically for South Africa’s harsh conditions, Thermoseal provides both waterproofing and thermal insulation properties, reducing energy costs whilst protecting your roof.
Benefits: Thermal insulation, energy savings, waterproof protection.
Applications: Industrial roofs, commercial buildings, energy-efficient projects.
Flexible Adhesion Promoted Acrylic Paint
A specially formulated acrylic paint designed for asbestos roofs and panels, providing encapsulation whilst maintaining flexibility and adhesion to aged asbestos surfaces.
Applications: Asbestos roof encapsulation, industrial roof refurbishment.
Safety: Complies with asbestos handling regulations.
Polymeric Mixture with Colour
A versatile polymeric mixture with excellent saturation levels and colour retention, perfect for projects requiring both protection and aesthetic appeal.
Applications: Decorative waterproofing, coloured roof coatings.
Rust Inhibitor for Metal Substrates
A specialised primer and rust inhibitor designed to prepare metal surfaces for waterproofing application whilst providing ongoing corrosion protection.
Applications: Metal roof preparation, steel structures, corrosion prevention.
Highly Concentrated Cementitious Acrylic Emulsion
Used as a bonding agent or primer, this concentrated emulsion ensures maximum adhesion between substrates and waterproofing systems.
Applications: Bonding agent, primer, adhesion promoter.
Specialised Damp Proofing System
A waterproofing system specifically designed for damp proofing applications, providing effective moisture barriers in challenging conditions.
Applications: Rising damp treatment, moisture barriers, damp proofing.
Polymeric Screed System
A specially designed polymeric screed that provides a hard-wearing, durable surface suitable for foot traffic and regular maintenance access.
Applications: Walkways, maintenance areas, balcony surfaces.
Thickness: 4mm application.