Tile Grout Types | How to Choose the Right Grout for Your Project

Choosing the right tile grout is an important part of any tile installation project. Grout affects more than the final appearance of a tiled surface; it can influence maintenance requirements, durability expectations, and the long-term performance of the finished installation.

A shower, kitchen backsplash, decorative wall tile, and high-traffic floor may require different grout considerations because each environment has different conditions.

This guide explains the main types of tile grout, how they differ, and the factors that help homeowners and professionals choose the right option for their projects.

What Is Tile Grout?

Tile grout is a material used to fill the joints between individual tiles after installation. It creates a finished surface by filling the spaces between tiles and contributing to the appearance and consistency of the tiled area.

Grout is part of the overall tile installation system, but it has a different purpose from tile adhesives or mortars. Adhesives help bond tiles to the substrate, while grout fills the visible joints between tiles.

The right grout choice depends on several project factors, including:

• Tile location
• Joint width
• Tile material
• Moisture exposure
• Maintenance expectations

Grout vs. Caulk: Understanding Where Each Material Is Used

Grout and caulk are both common materials used in tile projects, but they serve different purposes.

Grout is generally used to fill joints between tiles where a rigid joint is appropriate. Caulk is commonly used in areas where movement is expected or where different materials meet.

Examples where a flexible sealant may be considered include:

• Tile-to-tub connections
• Corners where walls meet
• Changes between different materials

Choosing the appropriate material for each location helps maintain the appearance and performance of the tile installation.

Why Choosing the Right Grout Matters

Selecting grout only based on color is a common mistake. While appearance is important, the grout type should also match the conditions of the installation.

Important considerations include:

Durability

Different areas experience different levels of use. A high-traffic tile floor may have different requirements compared with a decorative wall application.

Moisture Exposure

Bathrooms, showers, and other wet locations require careful consideration of moisture conditions and the complete tile installation system.

Maintenance Requirements

Some environments require easier cleaning and greater resistance to staining. Maintenance expectations should be considered before selecting a grout type.

Final Appearance

Grout color, texture, and joint design can significantly affect the final appearance of a tile surface.

Main Types of Tile Grout

The most common tile grout options include cement-based grout, sanded grout, unsanded grout, and epoxy grout.

The final choice should always consider the specific product instructions and project conditions.

Cement-Based Grout

Cement-based grout is one of the most common grout categories used in tile installations.

It is available in different formulations, including sanded and unsanded versions, allowing selection based on joint width and project requirements.

Common characteristics include:

• Wide availability
• Suitability for many tile applications
• Familiar installation methods

Performance depends on the specific product formulation, installation conditions, and manufacturer recommendations.

Does Tile Grout Need Sealer?

Some cement-based grout products may require sealing, while others may have different maintenance requirements depending on their formulation.

Before applying any sealer, consider:

• The grout manufacturer's instructions
• The installation location
• Moisture and staining exposure
• Expected maintenance needs

Sealer requirements should be evaluated based on the specific grout product rather than assumed for every installation.

Sanded Grout

Sanded grout contains fine aggregate particles that help support the grout structure. It is commonly considered for wider grout joints where additional stability is needed.

Important selection factors include:

• Joint width
• Tile surface characteristics
• Installation location
• Manufacturer recommendations

Because aggregate particles may affect sensitive surfaces, tile material should always be considered before choosing sanded grout.

Unsanded Grout

Unsanded grout has a smoother texture and is commonly considered for narrower grout joints.

It may be suitable for:

• Narrow tile joints
• Certain wall tile applications
• Projects where a smoother finish is preferred

The final selection should follow product specifications and tile system requirements.

Epoxy Grout

Epoxy grout is made with epoxy resins instead of traditional cement binders.

It is often considered for projects where resistance to stains, moisture, or certain chemicals is an important factor.

Potential advantages include:

• Lower water absorption compared with many traditional cement-based grout products
• Strong resistance to many stains
• Easier cleaning in demanding environments

Considerations include:

• Higher material cost
• Different installation requirements
• Need for careful application

Epoxy grout is not automatically the best choice for every project. The right option depends on the conditions and performance requirements of the installation.

How to Choose the Right Grout for Your Tile Project

The best grout for tile depends on the complete conditions of the project. Instead of choosing a grout type based on one factor, consider where the tile will be installed, how the surface will be used, and what performance characteristics are important.

Quick Guide: Choosing Grout by Project Type

Consider the Installation Location

Shower and Bathroom Tile

Shower and bathroom areas are exposed to regular moisture and cleaning.

When selecting grout for these applications, consider:

• Moisture conditions
• Cleaning requirements
• Compatibility with the complete tile installation system
• Long-term maintenance expectations

The grout choice should support the conditions of the installation rather than being selected only for appearance.

Kitchen Backsplash Tile

Kitchen backsplash areas may experience:

• Food stains
• Grease exposure
• Frequent cleaning
• Daily use

A grout option with suitable maintenance characteristics may be preferred depending on the expected use of the area.

Tile Floor Applications

Floor tile installations often experience higher levels of mechanical stress compared with many wall applications.

Important factors include:

• Foot traffic
• Joint width
• Tile material
• Expected durability

The grout selection should match the demands of the surface.

Consider Grout Joint Width

Joint width is one of the most important factors when choosing grout.

In general:

• Narrower joints are commonly associated with unsanded grout applications.
• Wider joints are commonly associated with sanded grout applications.

However, grout selection should always follow manufacturer recommendations because product specifications can vary.

Consider Tile Material

Tile material can influence grout selection.

Common tile materials include:

• Ceramic tile
• Porcelain tile
• Natural stone

Some tile surfaces may require additional care when selecting grout because texture, finish, and sensitivity can influence suitability.

How Grout Color Affects Tile Appearance

Grout color can significantly influence the visual style of a tile installation.

Matching Grout Color

A grout color similar to the tile can create a more uniform and continuous appearance.

This approach may help:

• Reduce visual contrast
• Create a cleaner overall look
• Make tile patterns appear less dominant

Contrasting Grout Color

A contrasting grout color can highlight:

• Tile shapes
• Installation patterns
• Design details

The right choice depends on the desired appearance and the overall design of the space.

Consider Maintenance Requirements

Different grout types may have different maintenance expectations.

Before choosing a grout product, consider:

• How often the area will be cleaned
• Exposure to stains or chemicals
• Desired long-term appearance
• Maintenance effort that is acceptable for the project

Maintenance requirements should be considered during selection, not after installation.

Sanded vs. Unsanded Grout: Understanding the Difference

Sanded and unsanded grout are two common cement-based grout options.

The main difference is the presence of sand particles, which affects texture and suitability for different joint conditions.

In general:

• Sanded grout is commonly considered for wider joints.
• Unsanded grout is commonly considered for narrower joints.

For a detailed comparison of applications, advantages, and limitations, see our guide on sanded vs. unsanded grout.

Epoxy vs. Cement Grout: Understanding the Difference

Epoxy and cement-based grout are designed for different project requirements.

Cement-Based Grout

Commonly selected because it offers:

• Wide availability
• Familiar installation methods
• Suitability for many standard tile applications

Epoxy Grout

May be considered when projects require:

• Higher resistance to stains
• Easier cleaning in demanding environments
• Greater resistance to certain chemicals

The better option depends on:

• Project conditions
• Budget
• Installation requirements
• Expected maintenance level

For a detailed comparison, see our guide on epoxy vs. cement grout.

Special Considerations for Outdoor Tile Projects

Outdoor tile installations may have additional requirements compared with indoor applications.

Important considerations include:

• Weather exposure
• Temperature changes
• Freeze-thaw conditions where applicable
• Product suitability for exterior use

Always confirm that the selected grout product is appropriate for the intended outdoor environment.

Movement Joints and Areas Where Grout May Not Be Suitable

Not every gap in a tile installation is intended to be filled with grout.

Some areas may require a more flexible joint solution because movement can occur, including:

• Changes in plane
• Material transitions
• Certain perimeter locations

Understanding where grout is appropriate helps prevent incorrect material selection and supports a better-performing tile installation.

Final Decision Guide: Choosing the Right Tile Grout

There is no single grout type that is the best choice for every tile project. The right option depends on the conditions of the installation and the performance requirements of the finished surface.

Before selecting grout, consider these questions:

Where will the tile be installed?
Is it a shower, bathroom wall, kitchen backsplash, floor, decorative surface, or outdoor area?

What type of tile material is being used?
Ceramic, porcelain, and natural stone may have different considerations when selecting grout.

What is the grout joint width?
Joint size is one of the main factors when comparing sanded and unsanded grout options.

How much moisture, cleaning, or daily use will the area receive?
Wet areas and high-use surfaces may require different performance characteristics.

What maintenance level is acceptable?
Consider the amount of cleaning and upkeep expected over the life of the installation.

Matching grout selection with actual project conditions helps create a tile installation that is more suitable, easier to maintain, and better aligned with long-term expectations.

Frequently Asked Questions About Tile Grout

What is the best grout for tile?

There is no single best grout for every tile installation. The right choice depends on factors such as tile location, joint width, tile material, moisture exposure, and maintenance requirements.

For example, a shower tile project may have different priorities compared with a decorative wall tile installation or a high-traffic floor.

Is epoxy grout better than cement grout?

Epoxy and cement-based grout have different characteristics.

Epoxy grout may be considered for projects where higher resistance to stains, moisture, or certain chemicals is important. Cement-based grout remains a common option for many standard tile installations.

The better choice depends on the requirements of the specific project.

Should I use sanded or unsanded grout?

The choice between sanded and unsanded grout is mainly influenced by factors such as joint width, tile type, and manufacturer recommendations.

Sanded grout is commonly considered for wider joints, while unsanded grout is commonly considered for narrower joints.

Does all grout need sealing?

Not all grout products have the same sealing requirements.

Some cement-based grout products may require sealing, while other products may have different maintenance characteristics.

Always follow the manufacturer's instructions for the selected grout product.

Can grout be used in every gap around tile?

No. Not every gap in a tile installation is intended to be filled with grout.

Areas that experience movement, such as changes in plane or transitions between different materials, may require a more flexible joint solution.

Evidence & Limitations

Tile grout selection depends on multiple factors, including:

• Tile type
• Installation location
• Joint dimensions
• Environmental conditions
• Product specifications

The recommendations in this guide describe general selection principles. Specific installation requirements may vary depending on the grout manufacturer, tile system, and project conditions.

Always review the technical documentation provided for the selected product before installation.

Sources & Technical References

This guide is based on general tile industry guidance, technical documentation, and manufacturer recommendations. The following sources were used to support the selection principles discussed in this article.

Specific grout selection should always be verified against the technical information provided by the selected product manufacturer and the requirements of the individual tile installation.