The grout in your shower has turned gray no matter how hard you scrub, and a cracked tile near the valve has you wondering what’s happening behind it. When the shower gets replaced, the first big decision is the wall surface: tile, or an acrylic system with just a few joints.

What you’re actually choosing between

A tiled shower is built in layers. Behind the tile sits a waterproofing system, such as a sheet or liquid membrane or a traditional liner under a mortar bed, and that layer is what keeps water out of the framing. The tile and grout are the finish you see, and they can be almost anything: large porcelain panels, small mosaics, natural stone, niches, and benches.

An acrylic shower uses factory-made wall panels and a matching base. One-piece units are mostly meant for new construction, since they’re often too large to bring through a finished home’s doors, so remodels typically use multi-piece kits joined at a few sealed seams. The look is cleaner and simpler, with fewer choices of shape, color, and texture.

Storage is where the two differ in daily use. Acrylic kits often come with molded shelves in fixed spots, while a tiled niche can go wherever it makes sense, sized to the bottles you actually keep in the shower.

Cleaning in hard water country

If you’re on City of Fresno water, the utility’s latest annual report puts average hardness just over the line the U.S. Geological Survey uses for hard water. Hard water reacts with soap to form soap scum and leaves a mineral film wherever it dries, and it shows up fastest on grout lines and glass.

That’s acrylic’s strongest advantage: with almost no grout, a quick wipe or squeegee after each shower handles most of it. Acrylic does need gentle products, since abrasive pads and harsh cleaners can dull the finish. Tile itself cleans easily, but cement-based grout is porous and benefits from sealing, and larger tiles mean fewer grout lines. Our guide to hard water and fixture choices has more on living with Valley water.

Glass is the other hard water battleground, whichever wall you pick. A squeegee and a few seconds after each shower keep doors and panels clear far more easily than scrubbing off a week of buildup.

Durability and repairs

Well-installed tile over sound waterproofing can last for decades, and a single cracked tile can usually be replaced without redoing the wall. Grout can be cleaned, repaired, or refreshed over time. When a tile shower fails, the cause is usually an installation detail: missing or failed waterproofing, wall movement, or grout that was never maintained.

Acrylic resists stains and mildew because it isn’t porous, and light scuffs can often be buffed out. Deep cracks or a damaged panel are harder to fix invisibly, and an exact replacement panel may not be available years later. An acrylic base also needs full support underneath, because a base that flexes can crack, so installation matters as much as the product.

What happens behind the walls

Either way, the old shower comes out and the walls get inspected. That’s the moment to find rot, failed patches, or a valve that should be replaced while everything is open. Tile gives the installer room to true up walls that aren’t flat or plumb, which isn’t unusual in older homes, while acrylic panels need flat, square walls, so uneven walls have to be shimmed or built out first.

Tile involves more steps, from waterproofing to setting to grouting, so it generally takes longer to install than acrylic. Neither one is a shortcut once the walls are open. Learn more about shower tile and waterproofing, and about why mildew is mostly a ventilation and moisture problem rather than a wall material problem.

Look, comfort, and resale

Tile is the more custom choice. It lets you add a recessed niche, a bench, or a pattern that ties into the floor, and it suits showers of any size or shape. Acrylic reads as clean and practical, and some panel styles imitate tile or stone, though up close they still look like panels.

Comfort differs a little, too. Acrylic feels slightly warmer to the touch on a winter morning, and a tiled shower floor made of smaller tiles has more grout lines, which gives bare feet better grip when wet.

For resale, a well-done tile shower tends to carry more appeal in a primary bathroom, while a quality acrylic surround is perfectly at home in a hall bath or rental. Buyers tend to be wary of either one if it shows stained grout, cracked panels, or caulk failing at the seams.

Which one suits you

• Acrylic suits a hall bath, a rental, or a budget-focused project where easy cleaning matters most and you don’t need a custom shape or size.

• Tile suits a primary bathroom, an odd-sized space, a curbless design, or anyone who wants a niche, a bench, or a specific look.

• Either works for a tub-and-shower combination, which is still a practical setup in a bathroom that needs to keep a tub.

How to answer the shower question in the estimator

In the bathroom estimator, a new surround or tub-and-shower in the same spot fits Standard Replacement. A tiled shower designed for your space is Custom Tile Shower, and turning a tub into a shower is Tub to Walk-In Shower. The tile style question that follows covers the tile you’ll use anywhere in the room, including the floor.

Choosing a custom tile shower or a conversion also brings up a question about frameless or custom glass. Mention the wall material you’re leaning toward when you book, and for more on what moves the price of a new shower, see the walk-in shower cost guide.

If you’re still undecided, choose the answer closest to your leaning. The range is a starting point, and the wall material gets settled at the consultation.