Sika Thoroseal 581, 50 Pound Bag - Gray (Previously MasterSeal)

Sika Thoroseal 581 (previously known as MasterSeal 581) is an air barrier and waterproof cement-based mortar for concrete and masonry. It resists both positive and negative hydrostatic pressure. Sika Thoroseal 581 creates a low maintenance and highly durable waterproof barrier. To be used with Sika's Thoroseal Acryl 60 Emulsion.

Features and Benefits

• Waterproof to help protect building interiors from dampness and moisture damage
• Breathable, allowing interior moisture to escape without damaging coating

Applications

• Vertical and light-pedestrian horizontal surfaces
• Interior and exterior
• Above and below grade
• Alternative to mechanical finishing or rubbing of concrete
• Waterproofing basement and retaining walls
• Foundations
• Bridges and tunnels (non- traffic barring surface)
• Water cisterns