Sika Thoroseal®-581 is a Portland cement-based coating for concrete and masonry that resists both air infiltration and positive as well as negative hydrostatic pressure. Polymer-modified with Sika Thoroseal® Acryl 60, Sika Thoroseal®-581 creates a low maintenance and highly durable waterproof barrier.

Features

• Waterproof to help protect building interiors from dampness and moisture damage
• Air barrier reduces air infiltration
• Resistant to both positive and negative hydrostatic pressure, making Sika Thoroseal®-581 suitable for use below grade interior and exterior and in water treatment construction
• Breathable, allowing interior moisture to escape without damaging the 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

50 lb bag