· Michael Blair
An acrylic surround is a single moulded piece with very few places to fail. A tiled shower is dozens of components relying on a waterproofing layer nobody sees. Both are legitimate; the risk profiles are entirely different.
Where acrylic wins
Speed and reliability. A one-piece or three-piece surround installs in a day or two and has no grout to maintain, no membrane to get wrong and no pan to flood-test.
It also costs substantially less, which frees budget for the fixtures and glass that are actually visible day to day.
Where tile wins
Any non-standard size or shape, curbless entries, benches, niches, and the appearance buyers expect in mid and upper Nashville price brackets.
It is also repairable in place. A damaged acrylic surround is generally replaced; damaged tile is regrouted or individually replaced.
The waterproofing that decides tile
Tile and grout are not waterproof — water passes through grout routinely. What keeps the wall dry is the membrane behind, and it is invisible once tiled.
A modern system means a bonded sheet or liquid membrane over a suitable backer, with corners and the pan detailed correctly. Cement board alone is not waterproofing.
- Bonded waterproof membrane over a suitable backer
- Corners, curb and niche detailed with the same system
- Pan flood-tested before tiling
- Sloped pan with the correct fall to the drain
- Silicone at changes of plane, not grout
What to ask a contractor
Which waterproofing system, by name, and whether the pan will be flood-tested. Those two answers separate the installers who have had callbacks from the ones who have not.
Also ask about movement joints. Grout cracking at the corners is not settlement — it is a change of plane that should have had silicone rather than grout.