CUSTOM CustomBlend LHT Mortar

CUSTOM® CustomBlend® LHT Mortar is a polymer-modified mortar designed for installing large and heavy porcelain, ceramic, and natural stone tile. Its non-sag, non-slump performance supports flat, even installations on floors and walls in both interior and exterior environments. Formulated for strength, stability, and professional reliability, it meets ANSI A118.4HT and A118.11 standards. Key Features Non-Sag, Non-Slump Formula: Helps maintain level placement of large and heavy tiles. Versatile Installation: Suitable for interior and exterior floor and wall applications. Supports Large Format Tile: Designed for porcelain, ceramic, and natural stone. In-Floor Heating Compatible: Safe for use over radiant heating systems. Polymer Modified: Improves bond strength and long-term durability. Standards Compliant: Meets ANSI A118.4HT and A118.11 requirements. Specifications Property Test Method Requirement Typical Results Pot Life — > 2 Hours > 2 Hours Open Time ANSI A118.4 Section 5.3 > 20 Minutes Pass Shear Bond (Glazed Wall) ANSI A118.4 Section 5.1.5 > 300 psi > 300 psi Shear Bond (Porcelain) ANSI A118.4 Section 5.2.4 > 200 psi 300–350 psi Shear Bond (Quarry to Plywood) ANSI A118.11 Section 4.1.2 > 150 psi > 150 psi Size & Packaging Item Code Size Color Package CBLHTG44T 44 lb (20 kg) Gray Bag CBLHTW44T 44 lb (20 kg) White Bag CUSTOM® CustomBlend® LHT Mortar provides reliable bond strength, stability, and performance for large and heavy tile installations. Its polymer-modified formula delivers consistent results for professional floor and wall applications.