The difference is the body. A ceramic wall tile has a porous body with water absorption above 10% (group BIII), while a porcelain wall tile has a dense body with water absorption of 0.5% or less (group BIa). The printed surface can look the same on both.
For most indoor walls, either works. The choice matters when you think about size, weight, fixing, outdoor use and the customs line your tiles fall under.
How they differ in practice
- Ceramic wall tiles are lighter for the same size and thickness, so they are easier to fix to walls and to carry.
- Ceramic tiles are easier to cut with a simple hand cutter, which installers in many markets prefer.
- Porcelain tiles are stronger and harder, so they resist knocks better in busy areas.
- Porcelain tiles are usually suitable for exterior walls in frost climates when the test report confirms it; ceramic wall tiles generally are not.
- Porcelain wall tiles are often made in larger formats such as 600x1200 mm, which ceramic wall lines rarely make.
In general terms, the ceramic body also costs less to make. It fires at a lower temperature and uses less dense raw material. How this shows up in quotes is covered in what decides the price of ceramic wall tiles.
Fixing and installation
The porous back of a ceramic tile grips adhesive well. A standard cementitious adhesive is usually enough for small ceramic tiles on a sound indoor wall.
Porcelain absorbs almost no water, so it needs an improved adhesive with stronger adhesion, especially in large formats or on exterior walls. Heavier tiles also need a reduced-slip adhesive so they do not slide down the wall before it sets. The classes are explained in which adhesive to use for ceramic wall tiles.
Customs lines and documents
Water absorption decides the HS subheading. Tiles at 0.5% or less fall under 6907.21; tiles above 10% fall under 6907.23. Your customs broker will want the test report that supports the line you declare.
Some trade remedies and duty rates are set by heading or by exporter, so do not assume wall tiles are treated differently from floor tiles. As of October 2026, check the current position for your country with your broker before you order.
Which one to choose
Choose ceramic for indoor bathroom and kitchen walls where cost, light weight and easy cutting matter. Choose porcelain for exterior walls in cold climates, high-traffic public areas, very large formats and projects that want the wall to match a porcelain floor.
Whichever you choose, confirm the body group on an ISO 10545-3 test report rather than trusting the product name. The broader comparison is in ceramic, porcelain and vitrified tiles.
Next step
We match your wall range to plants that make the right body, check the test reports and supervise loading. To discuss your range, book a free sourcing review.