Ardex AM 100 Rapid Set Smoothing Mortar – Fast-Setting Cement-Based Ramp and Patch Compound for Sloping, Leveling, for Interior and Exterior Use, 40 lbs Bag (11897)

ARDEX AM 100 Rapid Pre-Tile Ramping and Smoothing Mortar is a high-performance, fast-setting, polymer-modified cement-based mortar engineered for smoothing, ramping, patching, and leveling interior and exterior concrete, masonry, and cement substrates. Designed for time-sensitive tile and stone installations, this rapid-hardening mortar allows for tile setting in as little as 2 hours, making it ideal for commercial renovation, repair work, and fast-track construction environments. This pre-blended smoothing compound is ideal for forming sloped surfaces and filling low spots in floors and walls, especially in showers, wet rooms, balconies, terraces, and other tiled environments. ARDEX AM 100 creates a hard, durable surface that is compatible with a wide variety of tile adhesives, waterproofing membranes, and underlayment systems. Its creamy consistency ensures easy application and superior workability with excellent bond strength. It is suitable for use under ceramic tile, porcelain tile, natural stone, large format tile. Perfect for both horizontal and vertical applications, ARDEX AM 100 supports installations requiring a precise slope-to-drain or ramp transitions in curbless showers and barrier-free bathrooms. With excellent non-sag performance on walls and featheredge capabilities on floors, this mortar provides a stable and smooth surface for tile installation without the extended curing times of traditional cementitious patches. Ideal for use prior to installing waterproofing systems such as ARDEX 8+9, ARDEX S 1-K. It can be applied from 1/4” (6 mm) up to 1 1/4” (32 mm) in a single coat and is ready to receive waterproofing or tile in just two hours. Whether for commercial showers, residential bathroom remodels, or outdoor balcony repair, ARDEX AM 100 delivers superior performance, workability, and speed—trusted by professional tile setters, contractors, and flooring installers across North America.

• Fast-setting mortar — ready for tile or waterproofing in just 2 hours
• Ideal for sloping to drains, creating shower ramps, and patching vertical walls
• Compatible with ceramic, porcelain, marble, granite, and natural stone tiles
• Bonds to concrete, cement backer board, masonry, and other absorbent substrates
• Use prior to installation of tile membranes, uncoupling mats, or liquid waterproofing