Sikaflex-403 Tank & Silo

Sikaflex-403 Tank & Silo Sealant Overview

Sikaflex-403 Tank & Silo is a 1-part, moisture-curing elastic sealant engineered specifically for sealing steel containers, tanks, and silos. This professional-grade polyurethane-based formula delivers reliable waterproof protection and durable joint sealing for demanding construction and industrial applications.

Key Features & Benefits

• Moisture-curing technology – cures through exposure to atmospheric moisture without requiring a second component
• Elastic performance – flexible sealant maintains integrity through thermal expansion and structural movement
• Superior adhesion – bonds effectively to enamelled steel, stainless steel, and other container materials
• Waterproof seal – provides long-lasting protection against water ingress and corrosion
• Professional documentation – complete technical data sheets and application guidelines included

Ideal Applications

This sealant is recommended for:

• Sealing joints in sectional steel tanks and storage silos
• Industrial container fabrication and assembly
• Civil engineering and infrastructure projects requiring durable joint sealing
• Professional contractors and certified applicators

Technical Specifications

Sikaflex-403 Tank & Silo meets European construction standards and includes CE marking where applicable. The product is backed by certified laboratory testing and real-world performance validation, ensuring consistent technical properties and manufacturer guarantees for professional construction projects.

Professional Support & Quality Assurance

As a leading global construction materials manufacturer, technical support is available for product specification, application guidance, and on-site assistance. Proper storage and application procedures are clearly documented to ensure optimal performance and durability of sealed joints.