Tile Glossary
A
Abrasion resistance
Abrasion resistance refers to a material’s ability to withstand surface wear caused by friction, foot traffic, cleaning, or repeated contact over time. In tiles and flooring, higher abrasion resistance helps maintain appearance and durability, especially in high-traffic residential, commercial, and outdoor environments.
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Absorption rate
The percentage of water a tile can absorb as compared to its dry weight is known as the absorption rate. It is used to determine the durability and long-term utility of the tile by analyzing its porosity and density. The lower the absorption rate, the denser the tile is.
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Adhesive Cure Time
Adhesive cure time is the time taken by any tile adhesive to harden completely, ensuring the best bond strength. Once the tile installation is cured completely, the tiled surface becomes ready for regular use, moisture exposure, and foot traffic.
Anti-Slip
Anti-slip refers to the ability of a surface to provide enough friction and prevent falls. In flooring, it describes surfaces designed to improve traction and maintain stability underfoot, especially in areas exposed to water, moisture, or frequent foot traffic. Anti-slip tiles, also known as anti-skid tiles, balance safety with aesthetics and are commonly used in both indoor and outdoor areas.
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B
Back Buttering
In simple terms, back buttering refers to applying an even layer of thinset to the back of a tile, using the flat side of a trowel enhances bonding. It helps in a stronger attachment and better coverage, ensuring proper and full contact between a tile and the surface beneath it.
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Backer Board
Any rigid construction panel that is used to create a stable base for different kinds of floor and wall installations is known as a backerboard. It is a supportive layer to enhance performance and durability, allowing a flat and strong foundation that ensures proper adherence and long-term integrity.
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Backsplash
A backsplash is a protective surface installed behind sinks, countertops, or cooking areas to shield walls from moisture, stains, and splashes. Often made from tile, it also serves as a decorative element that enhances the style and visual appeal of kitchens and bathrooms.
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Bed Thickness
Bed thickness refers to the depth of mortar or adhesive applied beneath a tile during installation. Proper bed thickness ensures adequate bonding, surface leveling, and load distribution, helping prevent tile movement, cracking, or uneven surfaces over time.
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Bending Strength
Bending strength refers to a material’s ability to resist breaking or cracking when subjected to flexural stress. In tiles, higher bending strength indicates better durability and performance under load, impact, or minor substrate movement.
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Beveled Edge
A beveled edge refers to an angled edge treatment that replaces a sharp, square corner with a gently sloped surface. This slope is usually between 25 and 45 degrees, formed along the perimeter of the tile that creates a transition where the tiles connect. A beveled edge tile brings a sense of depth and visual interest to a tiled surface by creating fine shadow lines between the tiles. The angled edge softens the appearance of sharp corners and creates a cleaner appearance.
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Bond Strength
Bond strength is a measure that helps us determine how firmly a tile adhesive secures a tile to its substrate. It also helps us to measure how well it can tolerate load, movement, and stress. Proper tile bond strength is a must for long-lasting and durable tile installations in both residential and commercial spaces.
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Border
A border is a strip of tile with a contrasting color, pattern, or texture used to frame, highlight, or separate sections of a tiled area. A tile border, as the name suggests, is made of tiles and is used to create a structural and visual boundary in a tile installation. There are various benefits of installing tile borders. Some of the major ones include:
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Breaking Strength
Breaking strength is the maximum amount of force a tile can withstand before it cracks or breaks. Considered to be an important measure of strength, it is also a standard mechanical quality metric used across all clay-based and hard-surface tiles. It helps to determine your tile’s durability and suitability for floors, walls, or heavy-load areas.
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Brushed Finish
A brushed finish is a special surface treatment that is used on materials like natural stone, ceramic, and tiles to create a matte, lightly textured surface for a soft and natural feel. This resultant surface is not glossy and is smooth to the touch. The matte appearance of this surface enhances the natural sheen and character of the material.
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Bullnose
A bullnose is a type of trim tile with a broad convex rounded edge, corner or projection that is used in construction, architecture or the interior design industry. An undeniably best and easy protection for tiles. It is designed to soften sharp corners, prevent chipping, and create a smooth, curved finish for tiles, staircases, and countertops.
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Butt Joint
A butt joint is where tiles are placed extremely close together so that the edges align properly, leaving no space for grout or tile spacers. In this joint, the tiles meet edge-to-edge, creating a uniform and tight surface pattern.
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Byzantine
Byzantine is a decorative style that takes inspiration from the 4th-century Byzantine Empire. It is known for its rich colors, intricate mosaics, and dazzling ornamental designs.
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C
Caulk
Think of caulk as the ultimate gap-filler for tile jobs. Unlike grout, which cures rock-hard and snaps under stress, caulk stays rubbery. It’s what you squeeze into those tricky spots where tiles bump into walls, tubs, or counters to keep water, bugs, and drafts from sneaking through.
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Cement Grout
Cement grout is a cement-based material used to fill the joints between tiles during a tile installation. It is made from Portland cement and contains pigments, fine aggregates, and additives that ensure durability and strength.
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Chemical Resistance
Chemical resistance of a tile is its ability to withstand contact with chemical substances, such as alkalis, acids, oils, and cleaning agents, without undergoing any significant damage. It often includes resistance to staining, surface etching, fading, and loss of finish as well. Consider it a crucial factor for spaces where tiles come in contact with commercial or household chemicals regularly.
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Chipped Tile
A chipped tile is a tile that has lost a small piece from its edge, corner, or surface, exposing the body beneath the finished surface. Chipping is typically caused by impact or force applied to the vulnerable points of a tile.
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Coefficient of Friction (COF)
The coefficient of friction (COF) is a measure that defines how much grip a tile surface provides underfoot. In common parlance, it is often used to describe tile slip resistance, i.e., how effectively a tile surface resists movement, especially in high-use and moisture-prone spaces.
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Color Body Porcelain
Color body porcelain tiles are designed specially to maintain their appearance even after heavy use and everyday wear. In standard glazed tiles, the surface design is placed over a base of a different color, whereas in color body porcelain, the tile is made in such a way that the underlying color matches the surface closely.
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Control Joint
A tile control joint, also known as a movement or stress relief joint, is a deliberately placed gap in tile installation to allow natural movement. It is a safeguard that prevents cracking, debonding, and tenting, which are commonly caused by changes in temperature or substrate shifts.
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Cracked Tile
A tile that shows visible fractures and splits either on its surface or throughout its body is known as a cracked tile. These cracks can range from fine lines to large breaks and are a sign that the tile has been exposed to impact-related, installation-related, or structural stress.
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Cracking Resistance
Cracking resistance of a tile is its ability to withstand load and stress without fracturing. It denotes how well a tile can tolerate impact, load, and movement, that is, the factors that commonly lead to cracks in other materials. Simply put, it represents the tile strength and how durable a tiled surface is.
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Crackle Finish
A crackle finish is a surface treatment that is used to create a web of fine, hairline cracks on tile, for aesthetic purposes. It is predominantly used across ceramic and porcelain tiles to add visual depth and character to the surface.
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Crazing Resistance
Crazing resistance is the tile’s capacity to withstand the formation of fine, hairline cracks, known as crazing, in its glazed surface during normal use. As these lines are extremely fine, they typically do not affect the structural integrity of the installation immediately; however, they are detrimental to the hygiene, appearance, and long-term durability of a tile, especially in moisture-prone environments.
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Curing
Curing, in construction terms, means the process of maintaining the right conditions so that the materials used during a tile installation can harden properly. It focuses on creating a conducive environment for the materials to reach their highest strength.
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Cut Tile
A cut tile is a tile that has been shaped or trimmed to fit a specific space within the installation. Spaces are rarely aligned perfectly for standard tile dimensions, which makes cutting a necessary step to ensure a precise fit, especially around edges, fixtures, corners, and transitions.
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D
DCOF
he Dynamic Coefficient of Friction (DCOF) rating measures a tile’s slip resistance during movement, such as walking, particularly under wet conditions. Because it evaluates friction while motion is occurring, DCOF provides a more practical indicator of slip resistance than older static friction measurements.
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Diagonal Set
A diagonal set, also known as a diagonal tile pattern, is a layout style in which, instead of a straight grid, tiles are installed at a 45-degree angle to walls or floors. This shift in orientation has a major aesthetic role and can introduce movement in the space while softening rigid lines.
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Dot-Mounted Mosaic Tile
A dot-mounted mosaic tile is a tile in which various individual pieces of tiles (or other materials) are installed on a sheet using clear adhesive dots applied to the back. It is a popular mounting method that ensures even spacing and leaves a large surface open for direct contact with the setting material during installation.
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E
Expansion Joint
An expansion joint, also commonly known as a movement joint or a tile expansion joint, is a deliberate gap created in a tile installation to allow space for natural movement.
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Extruded Tile
An extruded tile is a special type of ceramic tile that is made by pushing a ceramic clay mixture into a mould to create a continuous shape, which is then cut to size and kiln-fired.
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F
Flexural Strength
The ability to resist breaking even when a bending force is applied is known as the flexural strength in tile. In simple words, it is the measurement of how much strength a tile can endure before it cracks.
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Frost Resistance
A frost-resistant tile is a specially designed tile that can handle exposure to freezing temperatures without chipping, cracking, or losing its structural integrity. These tiles are made to endure freeze-thaw cycles, where moisture freezes, expands, and thaws repeatedly without causing any damage.
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H
Heat Resistance
A material’s capacity to withstand high temperatures without losing its structure, strength, or appearance is known as heat resistance. In tiles, the property makes sure that the surface remains stable even with heat exposure from the sun, cooking, fireplaces, and more. A tile that has strong thermal resistance performs well even when subjected to fluctuating temperatures.
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Honed Finish
A honed finish[https://apollotile.com/collections/honed-tile] is a special type of surface treatment that is used to create a smooth, matte, or satin-like appearance that carries little to no shine. It is a finishing method in which the tile material is ground down carefully to achieve an even and flat surface, instead of polishing it to make it glossy. This creates a natural and refined aesthetic.
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I
Impact Resistance
Impact resistance of a tile is its capacity to withstand shock or sudden force without chipping, cracking, or breaking. In simple words, it is the measure of how well a surface can handle heavy use, dropped objects, or accidental impact while still retaining its structure.
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Inkjet Printing Tile
An inkjet printing tile, as the name suggests, is a tile that is printed using advanced digital technology through which a design is applied directly onto the surface with extreme precision. This tile printing technology uses computer-controlled inkjet printers to deposit microscopic droplets of pigments before the tile is fired.
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Iridescent / Iridescence
Iridescence is a visual effect in which surfaces appear to be shifting between different colors as the angle of viewing or the light changes. In tiles, special glazing methods are used to create a light-responsive finish to create the effect of iridescence.
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L
Lappato
Lappato is a special type of tile finish that combines the beauty and efficiency of matte and polished surfaces. It is, in a way, a semi-polished finish that is made through a controlled partial polishing process to create a satin-gloss finish that brings in a gentle reflectivity while still maintaining a soft and natural look.
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Lippage
Lippage is a tile installation issue in which adjacent tiles are not perfectly level with each other. This leads to a height difference that is noticeable, especially at the edges. In simple words, it is an edge height variation that disrupts the smoothness of a tiled surface and can be detrimental to both practical performance and aesthetic appeal.
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Low Porosity
When a tile absorbs little to no moisture to its dense internal structure, it is said to possess low porosity. Due to low porosity, various liquids such as water cannot pass through the tile surface which makes it act as an almost impermeable surface.
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M
MOHS Scale
The MOHS scale is a standardized system that is used to evaluate the hardness of various materials based on how much they can resist scratching. It is the most widely accepted tile hardness rating that is used to check the durability and suitability of a tile in practical applications.
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Matte Finish
A special type of tile surface that has little to no shine and designed to deliver a soft, understated, and stylish look is a ‘matte finish’. These are non-glossy surface options that have a low-sheen finish that instead of reflecting light, diffuse it.
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Mesh Mounted
Mesh mounted is a special type of tile format in which multiple small tiles are arranged and installed onto a flexible backing to create a single sheet. This method is particularly popular with mosaic tiles as it allows the tiles to be installed as a unit instead of one small piece at a time.
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Moisture Resistance
Moisture resistance is the tile’s ability to reduce the absorption of water when it is exposed to wet or damp conditions. It is the measure of how well a tile can maintain its appearance, structure, and performance in the presence of water, moisture, or humidity.
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