Performance Accessories UltraSmooth Cementitious Underlayment for Interior and Exterior Applications

Performance Accessories UltraSmooth is a one-component, durable and versatile cementitious underlayment designed for interior and exterior concrete and cementitious substrates. It can be applied manually or by pump to create a self-smoothing, rapid-setting, flat surface before the final floor finish. Typical application thickness ranges from 1/8” up to 3” (3 mm to 76 mm).

Uses:

• Suitable for concrete and cement substrates
• Works with rapid-drying cement screed systems
• Can be applied over OSB/Plywood (only for flexible coverings)
• Compatible with ceramic tiles, terrazzo, and natural stones

Characteristics & Advantages:

• Self-leveling for even, smooth surfaces
• Renovates and levels new or existing floors
• Suitable for both interior and exterior use
• Can be applied manually or with a pump
• Provides a high-strength underlayment for residential and commercial flooring
• Compatible with subfloor heating systems
• Easy to install with deep-pour capability
• Low shrinkage and high strength
• Supports caster wheel loading at thicknesses above 1/8” (3.2 mm)
• No MVER (Moisture Vapor Emission Rate) limits on well-prepared concrete