Laticrete Tri-Lite Rapid Thin-Set Mortar - 27.5 lb bag - White

Lightweight, rapid-setting polymer modified thin-set mortar designed for large format tile and high-performance installations. Its smooth, non-sanded formula delivers superior non-sag performance, high bond strength, and fast grouting in just 3–4 hours.

$59.95

Brand: Laticrete

Availability: On order. This item will ship when back in stock (More Info)

Shipping: Standard (More Info)

SKU
L-279 RAPID

Laticrete Tri-Lite Rapid Thin-Set Mortar — Lightweight Rapid-Setting Tile Adhesive

Laticrete Tri-Lite Rapid Thin-Set Mortar is a highly versatile, fast-setting lightweight adhesive engineered for demanding large format tile and thin-set installations. Designed for both interior and exterior use, it delivers superior bond strength, exceptional non-sag performance, and rapid curing to keep projects moving efficiently.

The lightweight, non-sanded formula provides a smooth creamy consistency that is easy to mix, spread, and control—helping installers achieve professional results with less effort. With rapid-setting performance that allows grouting in as little as 3–4 hours, it is an ideal solution for time-sensitive residential and commercial projects.

Suitable for walls, floors, and large and heavy tile applications, Tri-Lite Rapid offers dependable strength, versatility, and productivity-enhancing performance across a wide range of substrates and installation conditions.

Key Features and Benefits

  • Rapid-Setting Performance — Fast curing formula allows grouting in as little as 3–4 hours—ideal for accelerated project timelines
  • Lightweight High-Coverage Design — 27.5 lb bag provides coverage comparable to traditional 50 lb mortars, reducing handling strain and improving jobsite efficiency
  • Superior Large and Heavy Tile Support — Excellent non-sag performance for walls and floors, supporting builds up to 3/4" (19 mm) without shrinkage
  • Smooth Non-Sanded Formula — Creamy consistency makes troweling easier and helps achieve consistent coverage and workability
  • High Bond Strength Standards — Exceeds ANSI A118.15 FHT, A118.4, and A118.11 requirements, ensuring reliable performance in demanding installations
  • Low Silica Exposure — Formulated without respirable crystalline silica levels exceeding OSHA action limits, helping improve jobsite safety

Suitable Substrates

  • Concrete
  • Concrete Block and Masonry
  • Brick Masonry
  • Ceramic Tile and Stone
  • Exterior Glue Plywood (Interior Only)
  • Gypsum Wallboard
  • Laminate
  • Non-Water Soluble Cut-Back Adhesive
  • Properly Prepared Vinyl or Resilient Tile
  • Cement Plaster
  • Concrete and Masonry Surfaces
  • Cement Backer Board (Interior Only)

Applications

  • Large format tile installations
  • Interior and exterior wall installations
  • Thin-set flooring applications
  • Large and heavy tile floor installations
  • Porcelain, ceramic tile, and natural stone installations
  • Fast-track renovation and commercial projects

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:

  • Open Time: 20 minutes
  • Pot Life: 60 minutes
  • Time To Grout: 3–4 hours
  • Time to Heavy Traffic: 5 hours
  • Shelf Life: Factory sealed containers of this product are guaranteed to be of first quality for one (1) year if stored off the ground in a dry area.
  • Packaging: 27.5 lb (12.5 kg) bag.
    More Information
    SKUL-279 RAPID
    In the Box
    • Tri-Lite Rapid 27.5 lb (12.5 kg) bag (0279-0275-22-1)
    Weight (lbs.)27.5
    Non-ReturnableNo
    ManufacturerLaticrete
    Manufacturer Part Number0279-0275-22-1
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