MasterSeal 582 (formerly Thoroseal Foundation Coating) is a waterproof portland cement-based coating for below-grade exterior concrete and masonry surfaces. Polymer-modified with MasterEmaco A 660, MasterSeal 582 creates a cost-effective durable waterproofing barrier.
![BASF MasterSeal 582](https://bapionline.com/wp-content/uploads/2024/03/BASF-MasterSeal-582.jpg)