Ultraflex LFT Premium is a professional-grade large format tile mortar and polymer-modified thin-set mortar engineered specifically for large and heavy tile (LHT) installations. Designed for interior and exterior use, this high-performance tile adhesive is ideal for porcelain tile, ceramic tile, and natural stone on floors, walls, and countertops.

This nonsag, nonslump tile mortar provides outstanding workability for vertical wall tile installations and heavy floor tile applications, allowing installers to set large-format tile with confidence. The polymer-enriched formula delivers exceptional bond strength, flexibility, and long-term durability, making it a top choice for residential and commercial tile installations.

With Easy Glide Technology™, Ultraflex LFT spreads smoothly, reduces drag, and allows for superior tile adjustment—perfect for achieving full coverage on oversized tile and stone. Its low-VOC formulation and greenhouse gas emission offset make it a responsible choice for modern construction and remodeling projects.

High-Performance Features (SEO Optimized)

• Premium large format tile mortar (LFT / LHT mortar)

• Polymer-modified thin-set mortar for superior adhesion

• Nonsag wall tile mortar for large-format and heavy tile

• Nonslump floor tile mortar for heavy tile and stone

• Designed for porcelain tile, ceramic tile, and natural stone

• Supports thick bond coats from 3/32" to 1/2"

• Smooth, creamy texture for easy troweling and coverage

• Low-VOC tile mortar for indoor and outdoor use

• Suitable for interior and exterior tile installations

Specifications

Product Information

• Product Name: Ultraflex LFT Premium

• Product Type: Large and Heavy Tile Mortar

• Mortar Classification: Polymer-Modified Thin-Set Mortar

• Application Technology: Easy Glide Technology™

Application Areas

• Floors: Large format porcelain tile, ceramic tile, stone tile

• Walls: Vertical tile installations, shower walls, feature walls

• Countertops: Tile and stone countertops

• Use Location: Interior & exterior

Performance & Installation

• Wall Performance: Nonsag

• Floor Performance: Nonslump

• Bond Coat Thickness: 3/32" to 1/2" (2.5–12 mm)

• Coverage Type: Designed for large-format and heavy tile

Environmental Attributes

• VOC Emissions: Very low

• Sustainability: Includes greenhouse gas emission offset

Ideal Uses (High-Intent Search Terms)

• Large format porcelain tile mortar

• Heavy tile thin-set mortar

• Tile adhesive for 12x24, 24x24, and oversized tile

• Shower wall tile mortar

• Floor tile mortar for heavy stone

• Commercial and residential tile installations