Merkrete 725 Dustless Premium LHT Mortar 50 lb

$18.22 - $20.16
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Merkrete 725 Dustless Premium LHT Mortar 50 lb

The Merkrete 725 Dustless Premium LHT Mortar for a cleaner, more efficient tiling experience. This advanced polymer-modified, large and heavy tile mortar is perfect for both interior and exterior applications, providing a non-slumping, easy-to-spread solution for all your tiling needs. With its gray color and 50 lb. bag, this premium mortar is designed to make your life easier.

Featuring patented Dustless Technology (DLT), Merkrete 725 DUSTLESS Premium LHT Mortar produces significantly less dust compared to ordinary thinsets, creating cleaner working conditions and reducing mess. Its innovative formula requires less water, resulting in a creamier and more manageable product.

Key Features:

  • Non-sag and slip-resistant, perfect for large and heavy tiles
  • Versatile non-slump mortar, suitable for thin or medium bed applications up to 3/4 inch
  • Flowable properties minimize the need for back-buttering
  • Drastically reduces dust production for a cleaner workspace
  • Water-saving formula for a creamier, easy-to-spread product
  • Minimizes mess and ensures flat, even installations
  • Exceeds ANSI A118.4 and A118.11 standards

Recommended Uses:

  • Ideal for most interior and exterior residential and commercial installations on floors and walls
  • Suitable for installing ceramic, porcelain, quarry, and Saltillo tiles, as well as most types of marble, granite, and natural stone
  • Supports large and heavy tiles for flat, even installations


  • Color: Gray
  • Pot Life: >2 hours
  • Open Time: 20 minutes
  • Glazed Wall Tile: 400-500 psi
  • Porcelain Tile: 250-350 psi
  • Quarry Tile to Plywood: 175-225 psi
  • VOC: <0 g/l
  • Shelf Life: 15 months

Compatible Substrates:

  • Brick masonry
  • Cement backer board
  • Cement mortar beds
  • Cement plaster
  • Cement terrazzo
  • Ceramic tile and stone
  • Concrete
  • Concrete masonry
  • Exterior-grade plywood
  • Gypsum wall-board
  • Merkrete waterproofing/crack isolation membranes

Upgrade your tiling experience with Merkrete 725 Dustless Premium LHT Mortar and enjoy the benefits of a cleaner, more efficient, and easy-to-use product.

Merkrete 725 Safety Data Sheet

Merkrete 725 Techincal Date Sheet