How Long Does a Sealants Last?

Source: InterNACHI Life Expectancy Chart
5-10 years
Estimated lifespan
5 years
Minimum
10 years
Maximum

Estimated Replacement Cost

$5 – $15
per tube DIY | National average, 2025-2026

Extend Its Life

Check window, door, and joint sealants annually. Replace any that are cracked, hardened, or pulling away. Clean surfaces before applying new sealant for best adhesion.

Category: Adhesives, Caulk & Paints

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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