Cetco Bentoseal
High-performance sodium bentonite and butyl-rubber waterproofing mastic, trowel-applied for sealing corners, penetrations, and surface imperfections.
CETCO BENTOSEAL® 15kg is a trowel-grade, sodium bentonite and butyl-rubber-based mastic engineered for superior waterproofing and substrate preparation. Designed to form a strong, watertight seal, BENTOSEAL® bonds securely to a wide range of surfaces and expands upon contact with water for enhanced protection against ingress.
Its thick, viscous consistency ensures smooth, efficient application by trowel, allowing it to conform easily to irregular surfaces and fill imperfections. Whether sealing corners, flashing details, mechanical penetrations, or repairing small concrete defects, BENTOSEAL® delivers durable, long-lasting performance. Used in conjunction with other CETCO waterproofing membranes, it creates a complete and reliable barrier against water intrusion.
Key Advantages:
- Self-Adhering: Bonds securely to diverse substrates for watertight sealing
- Water-Activated Expansion: Swells to increase sealing capability when exposed to moisture
- Easy Trowel Application: Thick consistency for smooth, precise coverage
- Versatile Compatibility: Works with a wide range of materials and CETCO systems
Typical Applications:
- Horizontal & Vertical Corners: Ensures watertight protection in wall and floor junctions
- Flashing Details: Ideal for sealing around drains, penetrations, curbs, and service entries
- Below-Grade Termination Points: Provides finishing seal in underground waterproofing
- Surface Repair: Fills voids and minor concrete defects to improve membrane adhesion
Its thick, viscous consistency ensures smooth, efficient application by trowel, allowing it to conform easily to irregular surfaces and fill imperfections. Whether sealing corners, flashing details, mechanical penetrations, or repairing small concrete defects, BENTOSEAL® delivers durable, long-lasting performance. Used in conjunction with other CETCO waterproofing membranes, it creates a complete and reliable barrier against water intrusion.
Key Advantages:
- Self-Adhering: Bonds securely to diverse substrates for watertight sealing
- Water-Activated Expansion: Swells to increase sealing capability when exposed to moisture
- Easy Trowel Application: Thick consistency for smooth, precise coverage
- Versatile Compatibility: Works with a wide range of materials and CETCO systems
Typical Applications:
- Horizontal & Vertical Corners: Ensures watertight protection in wall and floor junctions
- Flashing Details: Ideal for sealing around drains, penetrations, curbs, and service entries
- Below-Grade Termination Points: Provides finishing seal in underground waterproofing
- Surface Repair: Fills voids and minor concrete defects to improve membrane adhesion
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