Material-Specific Installation and Care Guides

Providing granular guidance based on material composition is essential for reducing installation errors, ensuring warranty compliance, and managing customer expectations regarding maintenance and long-term performance.

Porcelain Mosaics – Pressed

Key Characteristics

Manufactured by pressing clay and other materials into molds. These often feature rounded or cushioned edges and are slightly less precise dimensionally than cut porcelain.

Professional Installation Tips

Use a high-quality thinset mortar (white thinset is recommended for light-colored mosaics to prevent color bleed-through). Ensure the substrate is perfectly level, as the mosaic format can amplify uneven surfaces. Choose sanded grout for joints wider than 1/8".

Porcelain Mosaics – Cut (Rectified)

Key Characteristics

Precisely cut from larger, often rectified tiles, resulting in sharper edges and cleaner lines. This precision allows for tighter grout joints and a more seamless final aesthetic.nally than cut porcelain.

Key Characteristics

A perfectly flat substrate is essential to maintain tight, clean grout lines. Use unsanded grout for all narrow joints. Ensure immediate and thorough cleaning of excess grout to prevent staining sharp edges.

Stone Mosaics (Marble, Travertine, Limestone, Slate)

Key Characteristics

Common materials include Marble, Travertine, Limestone, and Slate. Each piece offers natural beauty with unique veining, color, and texture, providing an elevated, timeless finish.

Professional Installation Tips

Back-butter each sheet to ensure 100% mortar coverage and full adhesion, preventing shadowing or loose pieces. Use a non-acidic, stone-compatible mortar. Apply a penetrating sealer before and after grouting. Use a sanded grout to fill larger gaps unless the specific stone material is deemed delicate.

Stone and Metal Mosaics

Key Characteristics

A composite product combining the textures of natural stone with the tones of metal (Stainless Steel, Aluminum, Bronze, Copper). Offers a distinct, contemporary, and often bold aesthetic.

Key Characteristics

Use specialized adhesive: Epoxy or urethane-based adhesive is recommended for superior bonding and chemical resistance, which is vital for mixed materials. Avoid creating trowel lines in the adhesive, as these can show through highly reflective metal or glass pieces. Mask metal components carefully when grouting to prevent staining.

Recycled Glass Mosaics

Key Characteristics

Crafted from post-consumer or post-industrial glass, making them an excellent eco-friendly choice. They are smooth, highly reflective, and capable of holding vibrant color.

Professional Installation Tips

Use white thinset exclusively to ensure the true color and luminosity of the glass are maximized. Only use sand-based grout if specifically approved by the manufacturer. Always cut glass using a wet saw equipped with a dedicated glass blade to achieve clean edges.

DCOF & Slip Resistance 

Beyond design and material selection, safety is a critical part of every mosaic installation. One of the key performance indicators you will see in our product documentation is DCOF (Dynamic Coefficient of Friction), the industry-standard way to express how slip-resistant a tile surface is when people walk on it, especially in wet or demanding environments.

For floor-rated items, we list DCOF values and clearly indicate when a product is “wall only” and not suitable for foot traffic. Use these numbers -together with local codes, professional advice, and your project’s specific conditions -to choose mosaics that look beautiful and perform safely over time.

The industry standard for tile installed on level interior surfaces is a minimum DCOF value of 0.42. Smaller mosaics (2 inches or less) with lower DCOF ratings may still be appropriate in certain applications due to the increased number of grout joints and surface features that improve traction and allow water to drain. It is the responsibility of the end user to consult with a design professional to select the most suitable flooring for each project.

To learn more about how DCOF is tested, how to read the numbers and how they apply to real spaces like showers, pool decks and commercial entries, visit our dedicated guide: “Understanding DCOF Slip Resistance for Mosaic Tile.”

DCOF stands for Dynamic Coefficient of Friction. It is the mandatory measure of a tile's slip resistance. This rating is critical for any floor application (especially wet areas like commercial showers or pool decks) to ensure safety and compliance. Always check the DCOF value in the product specifications; if a tile is wall-only, it will be labeled as "NA, WALL ONLY".

Yes. Preparing a perfectly flat and level substrate is crucial, especially for mosaics. Any unevenness in the underlying surface will be amplified by the small tesserae, leading to lippage (uneven edges) and potential failure of the installation.

This depends on the joint width. Unsanded grout is required for narrow joints (typically under 1/8") and for use with highly polished or delicate materials (like some types of glass or marble) to prevent scratching. Sanded grout should be used for wider joints (1/8" and above), as it provides greater structural integrity.

Absolutely. All porous natural stone mosaics (e.g., marble, travertine, limestone) must be sealed using a penetrating sealer before grouting to protect the stone from absorbing grout pigments and staining and again after grouting for long-term protection. Maintenance requires sealing every 1-2 years.

No. Standard cement thinset may not bond adequately or may show through transparent glass. For glass and metal mosaics, it is highly recommended to use a high-performance epoxy or urethane-based adhesive due to their superior bond strength and resistance to moisture and chemical breakdown.