ChimneySaver CrownCoat Brushable Sealant, in a 5 gallon size, is a professional-grade waterproof sealant designed for chimney crowns and masonry surfaces. Its unique quick-drying, water-based formula allows for easy brush-on application, making it a top choice for chimney professionals seeking a reliable chimney crown sealer. CrownCoat is premixed and ready to use, forming a durable, long-lasting waterproof membrane that protects against harsh weather and water intrusion. For best results, fill larger cracks and voids with patching cement or high-quality caulking sealant before applying two coats of CrownCoat. This versatile sealant is ideal for use as a foundation sealant, roof coating, or metal sealant, and is suitable for both residential and commercial applications. The 5 gallon container covers large areas efficiently, making it perfect for big projects. With its strong adhesion and flexible finish, CrownCoat helps extend the life of your chimney and masonry structures by preventing water damage and deterioration. Dimensions: 16 in. L x 13 in. W x 13 in. H; weight: 53 lbs. No batteries required.