Mapei - Keraflex Plus - Extra Smooth Large and Heavy-Tile Mortar with Polymer - Gray 44 lb

Keraflex Plus is a professional-grade, extra-smooth polymer-modified mortar designed for large heavy-format tile and stone installations on floors, walls, and countertops. Formulated with Easy Glide Technology™ and High-Transfer Technology™, it delivers superior wetting, easy trowel application, and excellent versatility over a wide range of substrates including plywood and MAPEI membranes.

Features

• Extra-smooth, creamy consistency — High-Transfer Technology™ for superior mortar wetting
• Non-slip on walls and non-slump on floors for large heavy-format tiles and stone
• Ideal for use with tile leveling systems
• Mortar bed thickness: 2.5 to 12 mm (3/32" to 1/2")
• Polymer-enriched for high performance and bond strength
• Compatible with exterior glue plywood and MAPEI membranes
• Open time: 30 min | Pot life: 3 h
• Time to grout: 8 to 16 h (walls) | 24 h (floors)
• VOC content: 0 g/L

Certifications

• ISO 13007: C2TEP1
• ANSI: Exceeds A118.4HET and A118.11

Applications

• Most interior/exterior residential and commercial floor, wall, and countertop installations
• Ceramic, porcelain, porcelain tile, marble, granite, natural stone, pavers, Saltillo tile
• Bathtub and shower surrounds
• MAPEI uncoupling, crack isolation, sound reduction and waterproofing membranes
• Application temperature: 40°F to 95°F (4°C to 35°C)