Sikaflex 221 Colonial White is a premium one-component polyurethane adhesive and sealant that cures upon exposure to atmospheric humidity, forming a durable elastomeric bond. It provides permanent elastic adhesion with excellent resistance to cutting and tearing, making it suitable for demanding applications such as truck, trailer, RV, and bus manufacturing. This sealant bonds effectively to a wide range of substrates including wood, metals, metal primers, paint coatings (two-component systems), ceramic materials, and plastics. Its formulation features low odor, elasticity, non-corrosiveness, and resistance to aging and weathering exposure. Additionally, Sikaflex 221 can be sanded and painted over to match surrounding surfaces. The product is NSF approved for potable water and incidental food contact, ensuring safety in various environments. Packaged in a convenient 10 oz cartridge, it supports efficient application for sealing joints and providing long-lasting protection against environmental elements.

• Permanent Elastic Adhesion: Provides durable bonding on multiple surfaces ensuring long-lasting seals that withstand stress and movement.
• Weather Resistant: Maintains strength and adhesion despite exposure to harsh weather conditions for reliable outdoor use.
• Paintable and Sandable: Allows customization after application to blend seamlessly with surrounding surfaces for a professional finish.
• Low Odor Formulation: Ensures comfortable use in enclosed spaces without strong chemical smells.
• NSF Approved for Potable Water Contact: Safe for use in applications involving incidental food contact or potable water systems.

Product Dimensions:

11.50 x 2.00 x 2.00 in

0.98 lbs

Shipping Dimensions:

11.26 x 1.93 x 1.93 in