Laticrete Tri-Lite Modified Thin-Set Mortar - 30 lb bag

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Lightweight, high-performance polymer modified mortar engineered for large and heavy tile installations on walls and floors. Its smooth, non-sag formula provides excellent medium bed performance, strong adhesion, and easy application with extended coverage.

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Brand: Laticrete

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SKU
L TRI LITE

Laticrete Tri-Lite Modified Thin-Set Mortar — Lightweight Large and Heavy Tile Adhesive

Laticrete Tri-Lite Modified Thin-Set Mortar is a lightweight, high-performance adhesive engineered to deliver reliable strength and versatility for modern tile installations. Designed as a tri-purpose mortar, it excels in thin-bed, medium-bed, and large and heavy tile applications—making it an ideal solution for both wall and floor projects.

Its smooth, creamy consistency ensures easy mixing, spreading, and troweling, while advanced polymer modification delivers superior bond strength and exceptional non-sag performance. The lightweight design reduces handling fatigue without sacrificing durability or coverage, helping installers work faster and more efficiently.

Suitable for a wide variety of substrates and installation conditions, Tri-Lite provides dependable results for residential and commercial applications where performance, versatility, and ease of use are essential.

Key Features and Benefits

  • Lightweight High-Coverage Formula — 30 lb bag delivers coverage comparable to traditional 50 lb mortars—reducing fatigue and improving jobsite efficiency
  • Superior Non-Sag Performance — Supports large and heavy tile installations on vertical surfaces while minimizing tile movement
  • Medium Bed Capability — Builds up to 3/4" (19 mm) thickness without shrinkage, helping maintain flat and level installations
  • Smooth, Creamy Consistency — Easy-to-trowel formula enhances workability, coverage, and installation precision
  • High Bond Strength Performance — Exceeds ANSI A118.15, A118.4, and A118.11 standards for reliable adhesion in demanding environments
  • Versatile Multi-Purpose Mortar — Designed for thin-bed, medium-bed, wall, and large format tile installations across a wide range of substrates

Suitable Substrates

  • Concrete
  • Concrete Masonry
  • Ceramic Tile and Stone
  • Cement Mortar Bed
  • Cement Plaster
  • Brick Masonry
  • Cement Terrazzo
  • Cement Backer Board
  • Exterior Glue Plywood (Interior Only)
  • Properly Prepared Vinyl or Resilient Tile
  • Non-Water Soluble Cut-Back Adhesive

Applications

  • Large and heavy tile installations
  • Interior and exterior wall installations
  • Thin-bed and medium-bed tile installations
  • Porcelain, ceramic tile, and natural stone installations
  • Residential and commercial flooring projects
  • Vertical and overhead tile applications

Installation:

All surfaces should be between 40°F (4°C) and 90°F (32°C) and structurally sound, clean and free of all dirt, oil, grease, paint, concrete sealers or curing compounds. Rough or uneven concrete surfaces should be made smooth with a Laticrete latex fortified underlayment or leveling mortar to provide a proper finish. Dry, dusty concrete slabs or masonry should be dampened and excess water swept off. Installation may be made on a damp surface. New concrete slabs shall be damp cured and 28 days old before application. All slabs must be plumb and true to within 1/4" (6 mm) in 10' (3 m). Expansion joints shall be provided through the tile work from all construction or expansion joints in the substrate. Do not cover expansion joints with mortar.

Approximate Coverage:

Trowel Size ft2 m2
1/4" x 1/4" (6 mm x 6 mm) notched trowel 80 – 95 7.4 – 8.8
1/4" x 3/8" (6 mm x 9 mm) notched trowel 60 – 70 5.6 – 6.5
1/2" x 1/2" (12 mm x 12 mm) notched trowel 40 – 47 3.7 – 4.4

Performance:

  • Pot Life at 70°F (21°C): 4 hours
  • Time to Traffic: 24 hours
  • Shelf Life: Factory sealed containers of this product are guaranteed to be of first quality for two (2) years if stored off the ground in a dry area.
  • Packaging: 30 lb (13.6 kg) bag.
    More Information
    SKUL TRI LITE
    Weight (lbs.)30.00
    Non-ReturnableYes
    ManufacturerLaticrete
    WarrantyLimited Warranty Upon Manufacturer Inspection
    Manufacturer Part Number0279-0030-2X
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    Customer Questions
    Water cleanup?
    Yes. Clean up with water.
    Is this product rated for glass?
    This product was developed specifically for large format tile, but was not tested with glass. It may work fine but Laticrete suggests either Laticrete Glass Tile Adhesive, or Laticrete 254 Platinum for glass installation.
    Set 6 .in×36 .in wood plank tile on shower ceiling?
    Yes, according to our Laticrete Rep TriLite would be the optimal Thin-set to use here. It has no sag and slump.
    Is Tri-Lite a "modified" thin-set?
    Yes it is a polymer fortified blend of Portland Cement and Silica Sand.
    Can this be used on 12x24 porcelain tile?
    Yes this product is designed For floor and wall installations of interior and exterior ceramic tile, porcelain tile, and stone. It is excellent large and heavy tile mortar. And ideal for most types of thin-set applications.
    Can it be used for 91"x36" tile?
    Yes it will work with this size tile. One thing to consider is that it does not have as much working time as the Laticrete Platinum Plus which we don't stock but can order. If the tile is going on a wall and you are installing all the way to the ceiling, you will want to follow closely the instructions as far as anchoring the tile while it sets to prevent it from falling while setting in the higher areas. Tri-Lite is rated for tile that large. See the Product sheet here for install directions: https://www.masterwholesale.com/media/Laticrete_Tri-Lite_TDS.pdf    
    Can I use this for membrane in the shower
    Yes this Thin-set Mortar can be used in showers. It is just not recommended for submerged applications. See the Product Brochure for detailed application information here: chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.masterwholesale.com/media/Laticrete_Tri-Lite_TDS.pdf Also, this is not a waterproof membrane, So you will need to apply to a waterproof substrate. Laticrete recommends using a Laticrete waterproofing membrane. Please call us if you need more information on how to waterproof a shower installation. (800) 938-7925    
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