Description
Laticrete Sure Set LHT Thinset - 44 lb | Large & Heavy Tile Mortar
Laticrete Sure Set LHT is a high-performance, polymer-modified large and heavy tile mortar designed for the installation of ceramic, porcelain, marble, and natural stone tiles on both floors and walls. Engineered for superior bond strength and workability, this non-sag, non-slump adhesive mortar provides outstanding support for large format and heavy tiles, reducing lippage and ensuring a smooth, level finish.
Perfect for interior and exterior tile installations, Laticrete 559 Sure Set LHT can be built up to 3/4" (19 mm) without shrinkage or extended setup time. It’s also approved for use over exterior glue plywood for interior applications, offering exceptional versatility for a wide range of substrate types.
Key Features & Benefits:
- Meets ANSI A118.4HT and ANSI A118.11 standards
- Supports heavy tile and stone installations, minimizing lippage
- Non-sag and non-slump formula for easy vertical and horizontal applications
- Suitable for interior and exterior floors and walls
- Build up to 3/4" (19 mm) thickness without shrinkage or delay
- Available in White and Grey options
Suitable Substrates:
- Concrete (cured 28 days)
- Cement backer board
- Cement mortar bed
- HYDRO BAN Board
- Cement plaster and terrazzo
- Properly prepared vinyl or resilient tile
- Ceramic tile and stone
- Exterior glue plywood (interior use only)
- Gypsum wallboard (interior, non-wet areas)
- Brick masonry
Ideal Applications:
- Large format tile installations
- Porcelain, ceramic, and stone flooring
- Walls, countertops, and vertical stone applications
- Interior and exterior residential or commercial projects
Laticrete 559 Sure Set LHT offers superior bond strength, exceptional non-sag performance, and reliable workability—making it the perfect choice for professional tile setters and contractors seeking long-lasting, high-quality tile installations.
| Notched Trowel Size | Coverage (ft²) | Coverage (m²) |
| 1/4" x 1/4" (6 mm x 6 mm) | 70–86 | 6.5–8.0 |
| 1/4" x 3/8" (6 mm x 9 mm) | 53–62 | 4.9–5.8 |
| 1/2" x 1/2" (12 mm x 12 mm) | 35–43 | 3.3–4.0 |
Laticrete Sure Set LHT Data Sheet
Laticrete Sure Set LHT Safety Data Sheet