Standard – Super Though Thin Set Mortar

How to Apply

For each 50 lbs. (23kg) bag add 1.6 gallons (6 liters) of fresh water at room temperature and mix. A plastic and homogeneous dough should be obtained. Let it rest for 10 minutes and mix again before use. The mix should have sufficient consistency to be applied with a spatula. Extend the Atria Standard manually over the surface with the smooth side of the spatula first and then use the toothed side to give the Atria Standard a thickness of 3/16” inches or 5 millimeters.


Each 50 lbs. (23kg) bag will cover from 55 square feet (5.10-meter square) to 70 square feet (6.50-meter square) using a 1/4 x 1/4 x 1/4-inch (6 x 6 x 6 mm) trowel.


The minimum cure is achieved after 24 hours, depending on temperature and humidity. Grouting can be done after 24 hours.


Only water is needed to remove the excess of uncured mortar and clean tools.



Description and Uses
ATRIA Standard is a thin-set mortar for the installation of floor and wall tiles in residential and commercial application. It also offers a good performance for interior and exterior work at lower cost. Ideal for the installation of ceramic tile, quarry tile, glazed tile, mosaics and stones. Meets and Exceeds ANSI A118.1.

    • Ceramic tile
    • Glazed tile
    • Mosaics
    • Stones

Appropriate surfaces
ATRIA Standard can be used over surfaces properly prepared of cured concrete, cement mortar beds, bricks, dry gypsum boards and leveling coats. Surfaces must be dry and free of any dirt or material that may difficult the adherence of the mortar.

  • Concrete (28 days cured)
  • Cement mortar beds
  • Bricks
  • Gypsum Boards (Dry)
  • Leveling Coats


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ATRIA Standard should not be applied over asphalt coatings, surfaces covered with vinyl, wood, asbestos-cement plates, painted surfaces, metal, glass or plastic. It should be used in temperatures above 41 degrees Fahrenheit or 5 degrees Celsius. The adhesive must be protected from freezing for the first 72 hours. Do not use for applications where the material will be subject to water immersion. Additional preparation instructions may be found in the technical and safety data sheet. Storage It can be stored free of humidity in its original package for up to 12 months. Do not let water to contact the product until time of use. ATRIA Industries Corp. reserve the right to change products and specifications without notice. All technical data provided here are based on test results from independent laboratories. We recommend seeking for certification to anyone who is interested in verifying the accuracy of these results.