What Is the Average Lifespan of Different Bathroom Fixtures & Materials?

How long your bathroom lasts depends heavily on the materials it is made of. Homes built in the Beaverton and Portland Metro area before 1990 often feature old fiberglass surrounds or cracked tile grout that are nearing the end of their lifespan.

Understanding the lifespan of your bathing fixtures helps you plan ahead and avoid emergency water leaks. Here is a breakdown of common materials and their lifespans:

Fiberglass Surrounds (Lifespan: 10-15 Years)

Fiberglass is lightweight and cheap to install. However, it is thin, easily scratched, fades over time, and can develop microscopic hairline cracks that allow water to seep behind your walls, leading to hidden rot.

Cast Iron Tubs (Lifespan: 30-50 Years)

Cast iron tubs are incredibly heavy and durable. However, the protective porcelain enamel finish chips or rusts over time. Restoring enamel is costly, and old cast iron tubs are difficult to heat, cooling bathwater quickly.

Custom Tiling (Lifespan: 20-30 Years)

A custom tile shower looks beautiful, but relies on a waterproof backing board and perfect grout lines. Over time, building settling cracks the grout, causing water leaks and subfloor damage if not re-sealed every few years.

Modern Non-Porous Acrylic (Lifespan: 30+ Years)

High-tech acrylic is the gold standard for wet area renovations. It is thick, scratch-resistant, non-porous, and will not yellow or fade. Acrylic shower walls feature seamless joints that never leak and require zero grout sealing.