Sikalastic-670 TC

Professional Roof Waterproofing Solution

Sikalastic-670 TC is a single-component, aliphatic polyurethane liquid membrane engineered for professional waterproofing applications. Designed as a top coat for Sikalastic roof systems, it delivers reliable protection against water penetration and moisture damage in demanding construction environments.

Key Features & Benefits

Advanced Protection Technology

• Continuous Waterproof Barrier: Creates a seamless, impermeable layer that bridges cracks and accommodates substrate movement
• UV-Stable Formulation: Maintains colour stability and reflective properties under intense sun exposure
• Cold Application: No heating or mixing required – ready to apply at ambient temperatures for faster installation
• Long-Term Durability: Engineered to maintain waterproofing performance through thermal cycling, UV exposure and environmental stress

Ideal Applications

• Flat and pitched roof waterproofing systems
• Terrace and balcony protection
• Below-grade structures and buried walls
• Renovation and rehabilitation projects
• Commercial and residential construction

Technical Excellence

This professional-grade membrane meets rigorous European and international standards for construction materials. Full technical documentation, certified laboratory testing and application guidelines are provided to ensure proper specification and quality control on every project. Sika's global technical support team assists architects, engineers and contractors throughout the specification and installation process.

Professional Installation

Proper substrate preparation, environmental conditions and application techniques are essential for optimal performance. Detailed installation procedures are documented in the product technical data sheet. Recommended for certified applicators and professional contractors who require proven waterproofing solutions backed by one of the world's leading construction material manufacturers.