In this guide
- What Is The Difference Between Ceramic And Porcelain Tile?
- How Ceramic And Porcelain Tiles Are Made
- Durability, Water, And Wear
- Water And Moisture
- Scratches, Chips, And Heavy Traffic
- Slip Resistance
- Where To Use Ceramic And Porcelain Tiles
- Cost: Tile, Installation, And Other Project Expenses
- Installation Differences
- Cleaning And Maintenance
- How To Choose The Right Tile
- Common Myths About Ceramic And Porcelain Tile
- “Porcelain Is Always Better.”
- “Porcelain Never Absorbs Water.”
- “All Tile Is Slip-Proof And Maintenance-Free.”
- Reliable Sources For Tile Specifications
Ceramic and porcelain tiles can both bring color, texture, and long-lasting performance to floors and walls. The main difference is how the tile is made and how much water its body absorbs. That distinction can affect where a tile is appropriate, how it should be installed, and what it costs. Knowing how to compare ceramic and porcelain tiles helps homeowners choose products that suit a room’s moisture, traffic, budget, and design needs.
What Is The Difference Between Ceramic And Porcelain Tile?
Both products are ceramic tiles: they are made from clay and other mineral materials, shaped, and fired in a kiln. Porcelain is a type of ceramic tile made to meet a specific water-absorption requirement. Under the U.S. tile industry’s standard classification, porcelain tile absorbs no more than 0.5% water by weight when tested using ASTM C373.
Many porcelain tiles are made from carefully prepared, fine-textured materials and fired at high temperatures. These production choices can produce a dense tile, but shoppers should rely on the product’s stated classification and technical data rather than assume that every porcelain tile has identical properties. Ceramic tiles that do not meet the porcelain absorption limit are often described as nonporcelain ceramic tile.
| Feature | Ceramic Tile | Porcelain Tile |
|---|---|---|
| Definition | Broad category of fired clay-based tile; may be glazed or unglazed | Ceramic tile with water absorption of 0.5% or less by weight |
| Water absorption | Varies by product; often higher than porcelain | Low by classification |
| Common uses | Interior walls and floors, depending on product rating | Interior and some exterior floors and walls, depending on product rating and installation |
| Typical price | Often less expensive, though design and quality affect price | Often more expensive, with wide price variation |
| Installation | Can be easier to cut, depending on the tile | May be harder to cut and may require specialized tools |
These are general comparisons, not guarantees. Tile thickness, surface finish, body color, intended use, and manufacturer instructions all matter. A product’s technical sheet is more useful than the word “ceramic” or “porcelain” alone.
How Ceramic And Porcelain Tiles Are Made
Tile makers combine clay and mineral ingredients, form them into shapes, and fire them in kilns. A tile may be glazed, creating a surface layer that carries color or pattern, or unglazed, with its appearance and wear characteristics coming from the tile body itself. Manufacturing methods and materials vary, which is why products within the same category can perform differently.
Porcelain’s low absorption is an important classification, but it does not mean the tile is waterproof in every respect. Water can still pass through grout joints or reach areas behind tile if the assembly is not designed and installed correctly. A waterproofing membrane, appropriate setting materials, sound substrate, and properly detailed transitions may be needed in showers and other wet areas.
Durability, Water, And Wear
Water And Moisture
Porcelain’s low absorption can make it a practical choice for areas exposed to moisture, including bathrooms, laundry rooms, and some outdoor applications. However, low water absorption does not make every porcelain tile suitable for every wet or exterior location. A polished surface can be slippery when wet, and exterior products must be appropriate for local weather, drainage, and freeze-thaw conditions.
Some ceramic tiles are also suitable for bathroom floors or kitchen floors, while others are intended only for walls or light-duty use. Check the manufacturer’s recommended applications and the product’s technical information. For showers, tile is only one part of the system: the waterproofing and drainage details beneath and around it are essential.
Scratches, Chips, And Heavy Traffic
Durability depends on more than the tile category. The surface glaze, tile body, thickness, installation quality, and expected traffic all influence how a floor performs. A glazed tile’s visible surface can chip, and a chip may reveal a differently colored body. Through-body or color-body porcelain may make some chips less noticeable, but it is not immune to damage.
Look for the manufacturer’s intended-use guidance and relevant test information. Older product literature may refer to PEI ratings for glazed tile wear; current selection should use the manufacturer’s recommendations and applicable ANSI standards rather than relying on one rating alone. For commercial or heavily used spaces, request technical documentation and confirm that the tile is rated for the expected conditions.
Slip Resistance
No tile should be described as completely slip-proof. Slip risk depends on footwear, water, soap, surface texture, slope, cleaning, and other conditions. For level interior spaces expected to be walked on when wet, ANSI A326.3 provides a dynamic coefficient of friction (DCOF) test method. A commonly referenced minimum value is 0.42 for certain level interior applications, but that number is not a universal safety guarantee and does not address every use.
For a bathroom, shower, pool area, or exterior walkway, ask the tile maker whether the specific finish is recommended for that location. Smaller tiles can create more grout joints, which may affect traction, but grout lines do not automatically make a floor safe. Good drainage, suitable cleaning, and appropriate design remain important.
Where To Use Ceramic And Porcelain Tiles
Choosing tile by room is a useful starting point, but the product’s stated use takes priority. A wall tile may not be designed to withstand foot traffic. Likewise, a floor tile’s finish may not suit a shower floor or an exposed patio.
- Kitchen backsplash: Ceramic and porcelain wall tiles are common choices. Compare surface cleanability, grout requirements, and heat-related guidance near cooking equipment.
- Kitchen floor: Either category may work if the tile is rated for floors and the finish suits household traffic and spill cleanup.
- Bathroom walls: Both can be used when approved for the application. Waterproofing behind tile is particularly important in showers.
- Bathroom floor: Select a floor-rated tile with a finish appropriate for wet conditions. Follow the product maker’s guidance rather than judging by appearance alone.
- Shower floor: Confirm that the specific tile and size are suitable for the slope, drainage, and wet use. Smaller formats may fit a sloped floor more easily, but installation details matter.
- Patio or exterior entry: Use only a product specifically recommended for exterior conditions, with suitable slip characteristics and installation materials. Check local climate and freeze-thaw requirements.
Interior ceramic tile is not automatically appropriate outdoors, and porcelain is not automatically an exterior product. Sun exposure, temperature changes, water, and the supporting structure can all affect long-term performance.
Cost: Tile, Installation, And Other Project Expenses
Ceramic tile often has a lower purchase price than porcelain, but the gap is not fixed. Designer patterns, large formats, handmade surfaces, premium glazes, and specialty finishes can make either type costly. Prices also vary by retailer, region, and project size, so comparing a few products with similar dimensions and specifications gives a more useful estimate than comparing category labels.
The tile itself is only part of the budget. A project may also require demolition, substrate repair, backer board or membrane, thin-set mortar, grout, trim, leveling materials, delivery, and labor. Porcelain can be harder to cut, especially when dense or thick, which may affect labor and tool needs. Large-format tile can require additional substrate preparation and handling regardless of whether it is ceramic or porcelain.
Before ordering, calculate the room’s square footage and ask the installer or retailer how much extra material is appropriate for cuts, pattern matching, and future repairs. Keep several labeled spare tiles when possible. Dye lots and production runs can differ, so replacement tile bought later may not match the installed surface exactly.
Installation Differences
Both ceramic and porcelain tile need a stable, clean, appropriately prepared substrate. The installer must select setting materials compatible with the tile, substrate, location, and manufacturer instructions. A tile installation can fail because of poor preparation or unsuitable materials even when the tile itself is high quality.
Porcelain’s density can make it more demanding to cut. Installers may use a wet saw with a suitable blade or other specialized equipment, depending on the tile. Ceramic tile can be easier to score and snap in some cases, but the result depends on tile thickness, shape, surface, and tool quality. Complex patterns, large tiles, and natural-looking layouts may also increase installation time.
Rectified tile has mechanically finished edges that are more uniform than the edges of many nonrectified products. It can allow narrower grout joints when the product and installation conditions permit, but it does not eliminate grout. Joint width should follow the tile manufacturer’s instructions and applicable industry standards; substrate variation, tile size variation, and layout all affect the appropriate joint.
For wet areas, the installer should follow recognized installation methods and the tile, mortar, grout, and waterproofing manufacturers’ instructions. The Tile Council of North America (TCNA) publishes installation methods used as an industry reference. Local building requirements may also apply, particularly for showers and other areas where water management is critical.
Cleaning And Maintenance
Most glazed ceramic and porcelain surfaces can be maintained with regular sweeping or vacuuming and a compatible mild cleaner. Follow the product maker’s care instructions, especially for textured, polished, or specialty finishes. Abrasive pads and harsh chemicals may dull or damage certain surfaces, so a test in an inconspicuous area is prudent when product compatibility is uncertain.
Grout generally requires more attention than the tile surface. Its porosity and maintenance needs depend on the grout type and installation. Cement-based grout may need sealing according to the manufacturer’s directions; epoxy grout has different care requirements and is not interchangeable with cement grout. Sealer does not replace cleaning or waterproofing, and it should not be applied unless the product instructions recommend it.
Promptly clean spills, keep grout joints in good condition, and investigate loose tiles or recurring dampness. Persistent moisture can signal a problem behind the tile rather than a cleaning issue. Repairs should address the source of water, not just the visible surface.
How To Choose The Right Tile
A practical selection process begins with the room’s conditions, then narrows the options by appearance and budget. Samples viewed at home can look different from store displays because lighting, surrounding colors, and grout shade change how a tile reads. If possible, inspect several pieces together to see variation in pattern and color.
- Define the location: Identify whether the tile is for a wall, floor, shower, countertop, or exterior space.
- Check the product rating: Confirm that the manufacturer approves the exact tile and finish for that use.
- Assess water and traction: Consider how often the area gets wet and ask for guidance on the specific finish.
- Compare maintenance: Review cleaning instructions, grout requirements, and whether the surface needs special care.
- Plan the layout: Account for tile size, pattern, transitions, edges, grout color, and the amount of cutting required.
- Review the full budget: Include preparation, setting materials, labor, trim, delivery, and extra tile.
- Confirm the specifications: Save the product data sheet, installation instructions, and purchase details before work begins.
Common Myths About Ceramic And Porcelain Tile
“Porcelain Is Always Better.”
Porcelain’s low absorption is valuable in many applications, but it does not automatically make a product better for every project. A suitable ceramic wall tile may be an economical and attractive choice for a backsplash, while an unsuitable porcelain finish may be a poor fit for a wet floor. Application and product specifications matter more than the category alone.
“Porcelain Never Absorbs Water.”
Porcelain tile meets a low water-absorption threshold; it is not defined as having zero absorption. Nor does the tile stop water from entering through joints or edges. In wet installations, the complete assembly and its waterproofing details must be considered.
“All Tile Is Slip-Proof And Maintenance-Free.”
Tile surfaces vary, and water, soap, dirt, and wear can change walking conditions. Grout also needs appropriate care. Product-specific performance information and routine maintenance are more reliable than broad claims on packaging or in advertising.
Reliable Sources For Tile Specifications
For technical decisions, product documentation and recognized industry references are more useful than general marketing claims. The following organizations provide standards or installation information relevant to U.S. tile projects:
- Tile Council of North America (TCNA) publishes the TCNA Handbook and information on tile installation methods.
- Tile Council of North America’s Tile Initiative offers consumer guidance on tile selection and care.
- ASTM International publishes test standards, including ASTM C373 for water absorption and ANSI A326.3 for dynamic coefficient of friction.
Standards can be revised, and not every standard applies to every project. The tile manufacturer, qualified installer, and local code requirements should guide final product selection and installation.