MasterSeal® 581 - Waterproof cement-based coating for concrete and masonry DESCRIPTIONMasterSeal 581 is a Portland cement-based coating for concrete and masonry that resists both positive and negative hydrostatic pressure. Polymer-modified with MasterEmaco A 660, MasterSeal 581 creates a low maintenance and highly durable waterproof barrier. PRODUCT HIGHLIGHTS• Waterproof to help protect building interiors from dampness and moisture damage• Resistant to both positive and negative hydrostatic pressure, making MasterSeal 581 suitable for use below grade interior and exterior and in water treatment construction• Breathable, allowing interior moisture to escape without damaging coating• Compatible with high-performance coatings, including a wide range of architectural coatings and textured finishes• Hides minor surface defects and blemishes in architectural concrete• Available in ten landscape colors and custom colors (with minimum order quantities) • Certified to the NSF/ANSI Standard 61 for potable water contact COLOR• White and standard gray • Custom and landscape colors are available for 5,000 lbs (2,268 kg) minimum order.• Ten landscape colors: bone, dijon, French vanilla, good earth, light khaki, Thoro gray, Navajo white, parchment, pearl gray and putty tan APPLICATIONS• Vertical and light-pedestrian horizontal• Interior and exterior• Above and below grade• Alternative to mechanical finishing or surfaces rubbing of concrete• Waterproofing basement and retaining• Foundations• Bridges and tunnels (non- traffic barring surface)• Water cisterns• Flashing of rough opening concrete or masonry openings