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You’ve had your luxury mattress for 10 years. The warranty just expired. Now what? Understanding what changes — and what doesn’t — when a mattress warranty ends helps you make smarter decisions about replacement timing and coverage expectations.
What Warranties Actually Cover
Mattress warranties cover manufacturing defects — not normal wear and feel degradation. Specifically: body impressions deeper than a specified threshold (usually 0.75″–1.5″ depending on the brand), physical defects in materials (coil protrusions, cover tears from manufacturing), and in some cases foam density degradation. They do not cover: normal softening, changes in feel over time, comfort preferences changing, or damage from improper use or foundation.
The Warranty Expiration Reality
When a warranty expires, you simply lose the ability to file a defect claim. The mattress continues to function as it functions — expiration doesn’t mean it suddenly fails. If your mattress is comfortable and supportive at year 10, keep sleeping on it. If it developed significant sagging in year 8, you would have been able to file a warranty claim then. After expiration, a claim for the same defect would be denied.
Lifetime Warranties: What They Really Mean
Saatva, Nectar, and several other brands offer “lifetime” warranties. In practice, these warranties often become non-prorated after year 10 — meaning you pay some portion of replacement or repair costs in later years. Read the warranty terms: “lifetime” with a non-prorated structure from year 1 (like Saatva’s) is meaningfully better than “lifetime” that becomes 50% coverage after year 10.
When to Replace
Replace when: the mattress causes discomfort or pain that affects sleep quality; visible sagging exceeds 1″–1.5″; the cover is significantly worn or damaged; you notice you sleep better in hotels or guest rooms. Don’t replace a functional mattress just because it’s reached a certain age — well-maintained latex mattresses frequently perform well past 15 years.