How Long Does a Interior Finish Last?

Source: InterNACHI Life Expectancy Chart
10-35 years
Estimated lifespan
10 years
Minimum
35 years
Maximum

Estimated Replacement Cost

$5,000 – $15,000
replaster | National average, 2025-2026

Extend Its Life

Maintain balanced water chemistry — this is the most important factor. Brush the walls and floor weekly. Address staining early. Replaster when the surface becomes rough or exposes aggregate.

Category: Swimming Pools

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Lifespan estimates are based on industry data for typical residential installations with normal use and proper maintenance. Actual lifespan varies with installation quality, climate, usage intensity, and maintenance. These figures may differ from other sources.

Source: InterNACHI Standard Estimated Life Expectancy Chart for Homes

Page generated: 2026-03-29