581 50 Lb. White Cement-based Waterproof Coating For Masonry

Introducing the MasterSeal 581 50 lb. White Masonry Waterproofer, now available at Steep Falls Building Supply in Standish, ME. This exceptional product, formerly known as Thoroseal, is a Portland cement-based coating specifically designed for concrete and masonry surfaces. It provides robust protection against water, dampness, and seepage, making it an essential choice for both professionals and DIY enthusiasts looking to safeguard their structures. With its impressive formulation, MasterSeal 581 creates a low-maintenance and highly durable waterproof barrier, certified by NSF for potable water applications, ensuring safety and reliability for your projects.

• Container Size: 50 lb, providing ample coverage for your waterproofing needs.


• Color: White, offering a clean and professional finish.


• Coverage Area: Covers up to 225 square feet, making it efficient for various applications.


• Base Material: Portland cement, ensuring a strong and resilient coating.


• Interior/Exterior Use: Suitable for both indoor and outdoor applications, versatile for any project.


• Application Method: Powder form, easily mixed with MasterEmaco A 660 for optimal results.


• Resistance: Resistant to mold and mildew, ensuring long-lasting protection.


• NSF Certification: Approved for use in potable water tanks, providing peace of mind for water safety.

Imagine transforming your damp and vulnerable spaces into dry, protected areas with the MasterSeal 581. Whether you are working on a basement, foundation, or exterior walls, this waterproofing solution is ideal for both above and below grade applications. It effectively fills and seals pores and voids, correcting surface irregularities and enhancing the durability of your masonry. Homeowners and contractors in Standish will appreciate the ease of application and the long-lasting results that MasterSeal 581 delivers.



In conclusion, the MasterSeal 581 50 lb. White Masonry Waterproofer is not just a product; it is a vital component in maintaining the integrity of your structures. Don't let water damage compromise your investments. Choose MasterSeal 581 for its proven performance and reliability. Available now at Steep Falls Building Supply in Standish, ME, this waterproofing solution is ready to help you tackle your next project with confidence.