Sikaflex-221 is a high-quality, multi-purpose, non-sag, 1-component polyurethane sealant ideal for caravan and motorhome repairs. It is a versatile, one-component polyurethane adhesive and sealant designed for a wide range of bonding and sealing applications. Upon exposure to atmospheric humidity, it cures to form a durable elastomer, providing strong adhesion to various substrates commonly used in industrial and construction settings. Features: Excellent Adhesion: Bonds well to metals, primers, paint coatings, ceramics, and plastics. Durable and Weather-Resistant: Resistant to aging and weathering, ensuring long-term performance. Paintable and Sandable: Can be painted and sanded after curing for seamless integration. Non-Corrosive and Low Odor: Formulation ensures user-friendly application. NSF-Approved: Suitable for incidental food contact, ensuring safety in sensitive environments. Ideal for both professional and DIY applications, Sikaflex®-221 offers reliable performance in bonding and sealing tasks across various industries.