Check the listing for details. 12 Pack Sikaflex 1A Polyurethane Construction Sealant Caulk, Limestone Color. Condition: New. Listed at 84.97 USD. 12 Pack Sikaflex 1A Polyurethane Construction Sealant Caulk in Limestone Color is a reliable and high-quality product for your construction needs. The polyurethane formula ensures excellent adhesion and flexibility, making it perfect for sealing and bonding a wide range of surfaces. With its superior waterproofing and weather-resistant properties, this sealant can be applied to both interior and exterior surfaces, providing long-lasting protection against water, moisture, and other environmental factors. This product is from the renowned brand Sika, ensuring that you get only the best quality sealant. With 12 packs, you can ensure that you always have it on hand whenever you need it. Whether you're a professional contractor or a DIY enthusiast, this Sikaflex 1A Polyurethane Construction Sealant is a must-have for your toolkit.