The question comes up on most of our site visits, usually with a sample of each on the counter. The marble looks better. The porcelain looks almost as good and the salesperson said it’s maintenance-free. Which one? The honest answer depends on the room, the household, and how you feel about patina. Here’s how we’d decide, having installed both for sixteen years.
What natural stone is
Marble, limestone and travertine are calcium-based sedimentary or metamorphic rock, quarried in slabs and cut into tile. Every piece is different because the earth made it, and that variation is the whole point: depth, movement, veining that runs through the material rather than being printed on the surface. Slate and granite are harder and less porous but appear less often in bathrooms and kitchens.
Being rock, stone is porous and, in the case of marble and limestone, chemically reactive. Acids etch it, meaning they dull the polished surface where they touch. Lemon juice, wine, vinegar, most bathroom cleaners. Oils and coloured liquids can stain it if the sealer has worn. It scratches. It takes a penetrating sealer before grout and again on a schedule, roughly every year or two in a shower.
What porcelain is
Porcelain tile is a dense clay body fired at high temperature, with the surface pattern printed and glazed on. Modern digital printing reproduces marble, travertine, limestone and concrete well enough that from across a room the difference is small. Porcelain slab, the large 1.2 by 2.4 metre panels and up, can carry a bookmatched vein pattern across a whole wall the way a marble slab does.
It doesn’t etch, doesn’t stain, doesn’t need sealing, and cleans with anything. The trade-off is that the pattern is on the surface, so a chip shows the clay body underneath, the veining repeats if you have enough of it in one room, and it lacks the depth that light brings out in real stone. Standing close, you can tell. Standing in the doorway, most people can’t.
Where we’d put stone
A primary bathroom or a powder room in a home where the household understands the care and wants the real thing. A feature wall or a fireplace surround where the depth of the material matters and nobody’s spilling wine on it. A bookmatched shower wall in a house where the design has specified the stone by name, like our Calacatta wet room in North Vancouver. A limestone floor in a hall that gets swept, not scrubbed. Honed finishes over polished, because honed hides etching and wear.
Our natural stone page covers what each stone needs in setting materials and sealing.
Where we’d put porcelain
A family bathroom. A kitchen floor. A rental or a suite. A shower floor. Anywhere with children, dogs, red wine, or a cleaning routine that involves whatever’s under the sink. Anywhere the client says “I don’t want to think about it.” Large-format porcelain and porcelain slab in these rooms give the continuous, quiet look people want with none of the maintenance. See large-format tile for the flatness work that makes it look right.
Cost, roughly
Good porcelain runs from a few dollars a square foot to twenty or more for large-format and slab. Marble starts around where good porcelain ends and climbs steeply with the quarry and the veining. Installation labour is higher for stone because of the blending, the white thinset, the sealing, the tighter joints and the cost of a mistake. Bookmatched slab in either material is the top of the labour scale because the layout is the job. Treat these as directions, not numbers; the quote follows the site visit.
The mixed answer
Most of the bathrooms we build now use both. Porcelain on the floor and the shower floor where the wear and the water are. Stone on a feature wall, a niche back, a bench top or a vanity splash where it’s seen and touched but not scrubbed. The eye reads the stone; the household lives on the porcelain. It’s not a compromise; it’s putting each material where it’s best.
Questions to ask yourself
- Who cleans this room, and with what?
- Will I be bothered by a dull spot where a lemon sat, or will I call it character?
- Is this a room I want to feel a certain way in, or a room that just has to work?
- Am I willing to reseal on a schedule?
- Is there a designer with a specification, and does the design depend on the real material?
Answer those and the choice usually makes itself.
Where it comes up most
Stone specifications come mostly from the West Vancouver and North Shore homes where the architecture has named the material. Porcelain slab is the more common answer in the rest of the region, and the Vancouver condos and character homes split evenly. Either way, we install it to the same flatness standard, and we’ll tell you before you buy if the material you love won’t survive the room you want it in.
Bring both samples to the site visit. Request a quote and we’ll help you decide in the room itself.