Laticrete 4-XLT Multi-use, Polymer Fortified Adhesive Mortar, for Extra Large Tile, Grey, 50 lbs

Product Features:

• Large and heavy tile mortar designed for build thickness from 3/32 in to 3/4 in without shrinkage.
• Exceptional non-sag performance for vertical wall tile and large format installations.
• Smooth, creamy consistency for easy mixing, spreading, and superior trowel control.
• Rated “Extra Heavy” under ASTM C627 for demanding tile applications.
• Exceeds ANSI A118.15 for superior bond strength and durability.
• Strong adhesion to concrete, cement backer board, approved substrates, and uncoupling membranes.
• Suitable for porcelain, ceramic, marble, granite, mosaic, and natural stone tile.
• Ideal for interior and exterior floors and walls, including showers, kitchens, pools, patios, balconies, and commercial areas.
• Excellent performance in wet areas, high-traffic zones, and temperature-variable environments.
• Packaged in a 50 lb (22 kg) bag for professional-grade installations.

Product Description:

LATICRETE 4-XLT is a premium large and heavy tile thin-set mortar engineered for professional tile installations that demand superior bond strength, non-sag performance, and extended build thickness without shrinkage. This high-performance mortar can be applied from a minimum thickness of 3/32 in (2.4 mm) up to 3/4 in (19 mm), making it ideal for setting large format tile, heavy stone, and uneven tile substrates while maintaining excellent workability and dimensional stability.

Featuring a smooth, creamy consistency, LATICRETE 4-XLT is easy to mix, spread, and trowel, allowing installers to achieve consistent coverage and precise tile placement. The mortar carries an “Extra Heavy” rating under ASTM C627 and exceeds ANSI A118.15 requirements, ensuring exceptional bond strength, durability, and resistance to shear forces in demanding residential and commercial environments.

This versatile thin-set mortar bonds effectively to a wide range of suitable substrates, including concrete, cement backer board, properly prepared substrates, and approved uncoupling membranes. It is designed for both interior and exterior applications and performs exceptionally well in areas exposed to moisture, temperature changes, and heavy foot traffic.

LATICRETE 4-XLT is suitable for installing porcelain tile, ceramic tile, mosaic tile, marble tile, granite tile, and other natural stone tiles on floors and walls. Common applications include showers, bathrooms, kitchens, swimming pools, steam rooms, spas, hot tub surrounds, patios, balconies, and high-load commercial spaces. Its non-sag properties make it especially effective for vertical wall installations, reducing tile slippage and ensuring a professional, long-lasting finish.

Packaged in a 50 lb (22 kg) bag and available in a gray color, LATICRETE 4-XLT delivers reliable performance for contractors and installers seeking a high-quality mortar solution for large and heavy tile installations, underlayment bonding, and uncoupling membrane applications.