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A Structural Group company

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Protective Coatings

Protective coatings play a crucial role in safeguarding structures from various forms of corrosion, including water penetration. By shielding steel and concrete from carbonation and related damage, these coatings significantly enhance the lifespan of the structures. High-quality protective coatings are essential, ensuring strong adhesion to the surface and maintaining performance over time, even after repairs.

Our approach to protective coatings involves the following steps:

  • Surface Preparation: We meticulously prepare the substrate to ensure optimal adhesion and effectiveness.
  • Application of Thin Films: A thin film of protective coating is applied, forming a robust barrier that shields the substrate from environmental elements, thereby preserving its structural integrity.

Surface Protection Methods for Concrete

We employ several methods for protecting concrete surfaces:

  • Hydrophobation
  • Painting
  • Impregnation
  • Sealants
  • Coating

Our protective coatings cater to a diverse array of infrastructure projects, including:

Steel structures (e.g., girders)

Over Head tanks

Composite structures (steel and concrete)

Bridges & Elevated Roads (Piers, Pier Cap, External Structures)

Power plants

Chimneys

Silos

Coastal Marine structures

Various buildings (commercial, residential, hospitals, institutional, and industrial)

Types of Protective Coatings Used

  • Anti-Carbonation Coatings: These include acrylic, silicone-enhanced, epoxy, IP Net systems, and polyurethane options, which protect against carbonation-induced damage.
  • Anti-Corrosive Coatings
  • Epoxy Paints
  • Cementitious Coatings

For concrete structures, epoxy coatings effectively seal the surface, preventing destructive contaminants from penetrating and compromising the bond between concrete and reinforcing steel.

For steel structures, zinc-rich epoxy coatings are the most common choice. These coatings contain a high percentage of zinc dust, providing cathodic protection. Zinc phosphate-based epoxies are also utilized as barrier coatings to enhance protection.

Our technical expertise ensures that we select and apply the most effective waterproofing and protective coatings tailored to the specific needs of each project, maximizing durability and longevity.