Lightweight High-Performance Mortar for Large and Heavy Tile

MAPEI Ultralite Mortar is a premium, single-component, polymer-modified mortar engineered specifically for large-and-heavy tile installations. Its lightweight formulation delivers exceptional performance while significantly reducing bag weight, making handling and transport easier on the jobsite.

Designed for both professional contractors and demanding residential projects, this high-performance mortar offers excellent bond strength, deformability and versatility for floors and walls.

Twice the Coverage with Ultralite Technology™

Formulated with Ultralite Technology™, this mortar provides up to twice the coverage of a standard thin-set mortar per pound/kg. A 25-lb. bag delivers the same coverage as a traditional 50-lb. polymer-modified mortar, improving efficiency and reducing material handling.

Key benefits include:

• Reduced lifting and jobsite fatigue

• Lower transportation weight

• Efficient material usage

• More than 20% recycled content

This makes it a smart solution for projects focused on productivity and sustainability.

Nonsag and Nonslump Performance for Large-Format Tile

Ultralite Mortar is specially designed for large-and-heavy tile and stone. Its nonsag formula keeps wall tiles securely in place during installation, while its nonslump characteristics provide stable support for floor applications.

Ideal for:

• Large-format porcelain and ceramic tile

• Natural stone installations

• Wall and floor applications

• Thicker bond coats from 3/32" to 1/2" (2.5 to 12 mm)

The smooth, creamy consistency and Easy Glide Technology™ allow for easy troweling and excellent ridge formation, promoting proper coverage and strong adhesion.

Optimized for Light-Colored Stone and Translucent Materials

With Universal Color Formula™, Ultralite Mortar is suitable for installing light-colored stones and translucent marble without affecting their appearance. It also supports installations of opaque glass tile 3" x 3" (7.5 x 7.5 cm) and smaller.

Additional performance advantages include:

• Polymer-enriched for enhanced bond strength and flexibility

• No intentionally added crystalline silica

• Excellent handling characteristics

This makes it a dependable choice for high-end residential and commercial design projects.

Low VOC and Mold-Resistant Technology for Healthier Installations

Ultralite Mortar features very low emissions of volatile organic compounds, contributing to better indoor air quality. It also incorporates BioBlock® technology to help resist mold and mildew growth within the mortar.

Suitable for interior installations where environmental considerations matter, it offers a balance of performance, ease of use and responsible formulation. For contractors seeking lightweight handling, superior coverage and high-performance bonding for large-and-heavy tile, MAPEI Ultralite Mortar delivers a professional-grade solution.