What grout do tilers recommend?

Author: Deondre Tillman  |  Last update: Friday, November 28, 2025

Jim Whitfield, manager of Technical Services at Mapei told industry professionals, “Because epoxy grout is so tough, it wears extremely well. It doesn't wear down over time and become a tile gutter—like cement grout can—where all the dirt and liquid and junk collects.” Epoxy grout is a reactive grout.

What grout do professionals use?

Unlike other grout options, epoxy grout does not need to be sealed. Many professionals now opt for epoxy grout over other options because of its unmatched strength and low maintenance.

What is the best grout to use on tile?

Sanded grout is better for spaces larger than 1/8 of an inch because unsanded grout shrinks during the curing process. Use unsanded or epoxy grout for spaces smaller than 1/8 of an inch. Grout is also for creating a nice-looking finish to your tile, so its color is important.

What is the best quality grout for tile?

Price filter
  • Ardex Flex FS Tile Grout Flexible Standard Set All Colours. ...
  • Ardex Flex FL Tile Grout Flexible Rapid Set. ...
  • Mapei Keracolor Flex Grout Flexible Water Repellent 5kg. ...
  • Mapei Keracolor FF Tile Grout Polymer Modified Cement Based 5kg. ...
  • Mapei Kerapoxy CQ Epoxy Tile Grout Two Component BioBlock 3KG.

Is sanded or unsanded grout better for porcelain tile?

Because sand has a significant grit, there is a higher chance of it scratching delicate tiles such as marble or limestone. Sanded grout is best used with floor tiles, ceramic tiles, natural stone tiles, and porcelain tiles.

This Grouting Mistake will Ruin Your Tile Job

Do you need special grout for porcelain tiles?

Litokol Starlike grout is ideal for porcelain tiles. Starlike grout is a high-quality epoxy grout that is easy to work with and completely non-toxic, making it safe for installers, consumers, pets, and the environment. It's durability makes it ideal for both indoor and outdoor applications.

Do showers use sanded or unsanded grout?

2. Unsanded Grout Provides A Better Hold On Vertical Surfaces. If you've ever installed a shower before, chances are that you used unsanded grout. Unsanded grout is extremely sticky, because it has no additional sand or aggregate added to it.

What is the longest lasting grout?

Epoxy grouts are the most durable of all grout choices because they are resistant to stains and water damage, and will hold up against harsh cleaners (please don't use harsh acidic cleaners on our tile!).

Can you grout over old grout?

You can apply new grout right over the top of the old grout. To do this, all you need is a grout removal tool. Use the tool to strike out the old grout, making sure the depth is at least 2mm, which is about the thickness of two dimes stacked one on top of the other.

How do I choose the right grout?

Choosing lighter colors blends your design together. Darker colors create a more dramatic effect. The shade you pick relies on what you are trying to accomplish in your design. If you want to highlight the pattern your tile creates, a contrasting color is best.

What are the three types of grout?

Types of Grout
  • Sanded Grout: Use sanded grout for grout joints from 1/8 inch to 5/8 inch to resist cracking and shrinkage.
  • Unsanded Grout: Use unsanded grout for grout joints up to 1/8 inch. ...
  • Premixed Grout: Ready to use grout that does not require mixing and is a no-mess alternative to traditional grout.

What do professional tile grout cleaners use?

What do professionals use to clean grout? Whether you believe it or not, most professionals use a solution of white vinegar and water with a 1:1 ratio. This solution is often more effective than dedicated Ph-neutral grout cleaners.

What is the recommended grout lines?

For standard patterns like offset or straight set, we recommend a 3/16” grout joint size. If you'd like a tighter install,1/8" is the absolute minimum size we suggest. However, if you want to install a more intricate pattern like parquet or herringbone, you may have to use a larger grout line.

Is Mapei a good grout?

It comes premixed, the colors are super accurate, it's stain resistant, crack resistant, can be used indoors & out, and it doesn't need sealed. It really speeds up the process, is low maintenance, and easy to clean. They also have corresponding grout caulk colors, which is wonderful because I like everything to match.

Is there a difference in grout quality?

The real strengths of epoxy grout are water absorption, strength, and chemical resistance. Epoxy absorbs about 50-times less water than traditional cement grouts, has double the strength, and chemical resistance that stands up to even the toughest environments.

What is the new technology for grout?

Our unique technology allows for the complete dispersion of water during mixing and slaking. WDT helps make these grout products stronger and denser than ever before, providing 20% stronger* grout joints and up to 30% higher stain resistance*.

Do you have to dig out old grout before regrouting?

Before you decide to regrout, evaluate the state of the existing grout. If it's severely damaged, crumbling, or has mold, it may be necessary to remove it entirely.

Should grout be flush with tile?

Tiles with a square edge need to have the grout finished flush with the tiled surface. Tiles with a cushion or radius edge should have the grout finished to the bottom of the cushion or radius.

Do grout rakes work?

A dedicated grout rake or a Stanley blade is best for removing existing grout. Grout rakes can be both mechanical and electric. Any electric grout rake is usually 240V and has variable speeds. The Rubi Grout Remover helps to remove grout surrounding ceramic and porcelain tiles.

Does all tile grout need to be sealed?

While the tile industry does not require sealing, it is always recommended, especially in wet or high-traffic areas. Penetrating sealers are the most commonly used and offer high water, chemical and stain resistance. They provide protection without changing the appearance of the grout joint.

Is epoxy grout better than regular grout?

Epoxy grout won't crack, shrink, or discolour, making it ideal for applying in wet areas, such as showers. It's also highly resistant to the harsh chemicals found in cleaning products. As an added bonus, unlike traditional cement grout, epoxy grout does not need to be sealed, due to its non-porous nature.

Is sanded or unsanded grout better for floors?

Sanded Grout Is Best for Floors

Because sanded grout is stronger, denser, and generally more durable than unsanded grout, it's the preferred grout for tile floors. First, tile floors typically have wider joints, which require sanded grout.

What causes pinholes in grout?

Tiny pinholes or cracks may appear due to your house shifting down a teeny bit deeper into the soil, causing minute changes in the structure. Another reason may be because there was too much water in the grout mix. When that water evaporated, it left behind big holes in the grout that you can see.

What is thinset mortar for?

Thinset (also called thinset mortar, thinset cement, dryset mortar, or drybond mortar) is an adhesive mortar made of cement, fine sand and a water-retaining agent such as an alkyl derivative of cellulose. It is usually used to attach tile or stone to surfaces such as cement or concrete.

Where should you use caulking when using ceramic tile?

The many uses of tile caulk

Any area that could allow moisture to accumulate is ripe for mold and mildew. Protect your home by filling gaps between countertops and backsplashes, in corners, or anywhere you have tile.

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