How Long Do Foam Mattresses Last?

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The Principles of Mattress & Foam Durability

"How long will this mattress last?"

It's one of the most the most common questions we’re asked, and our answer is this: longer than you might think.

Have you heard the old adage about replacing your mattress every 8 years (“Replace Every 8”)? Many people are surprised to find out that this metric originated from nothing more than a marketing campaign. It was a major mattress manufacturer who originally introduced the concept, but it’s since been adopted by a number of big-box mattress retailers and manufacturers alike with one goal in mind: to sell more mattresses. The truth is, it really depends on the materials used in the construction of the mattress and the proper use and care. A decent mattress, taken care of appropriately, should have no problem outlasting the 8-year mark.

Most mattress review websites (and there are dozens) estimate that a typical innerspring or hybrid-spring mattress has an expected lifespan of 6-8 years, while a decent quality foam mattress has a lifespan upwards of 10 years. With that information, let’s take a look at foam itself and the factors that affect its durability and longevity.

The primary indicator of quality and durability of foam is density.

Foam density is measured in pounds per cubic foot; in other words, it’s simply the weight of a 1-foot cube of a given product. Higher density means more material (and less air) is present in the product, which directly translates to its ability to last and retain its shape and responsive properties over time.

Now, if the estimates given by the mattress review websites mentioned above give an expected lifespan of a decent foam mattress, one must ask, what constitutes a decent foam mattress? We’re glad you asked. The area of the mattress with the lowest density foam is typically the core or base layer and, unfortunately, this is where some companies have been known to cut corners. Ever seen a foam mattress with body-shaped, sagging indentation in the middle? That is more than likely a prime example of a low-density foam core, and a perfect illustration of why you should avoid them. So what density numbers should you look for? Here are our three categories.

Our summary of mattress foam densities in the base layer and how they relate to quality and durability.

The Cheap

We have bad news about that $200, 12-inch mattress you found on Amazon. It probably won’t last. Discerning the exact density numbers in these mattresses can be tough, as this information is typically hidden by the manufacturer (always a bad sign), but based on our 65 years of manufacturing experience in the foam and bedding industries, we are relatively positive that the cost doesn’t bode well for what’s inside. Unspeakable low density foam, to be sure, and a mattress that will certainly flatten out in less time than you’d like.

The Decent

Most e-commerce, bed-in-a-box brands (think big names and trendy marketing campaigns) use a base layer of foam in the 1.6-1.8 lb range. This more than likely is the bar that the mattress review websites use to qualify a mattress as “decent,” and their benchmark for assigning a 10-year lifespan to a foam mattress. In fact, almost every major bed-in-a-box company offers some form of 10-year product guarantee (mattress warranties can be a whole other can of worms, but we won’t get into that here). Overall, not a bad bed and will likely provide you comfort for a standard length of time.

The Best

Any mattress that uses 2.0lb foam or above in the base layer would qualify as a “high-end” mattress and will likely perform beyond the 10-year mark if taken proper care of.

Now for the good news. Think a quality mattress is out of your price range? Guess again. By removing the fluff, the middle-men, and the unnecessary mark-up that are all-too-common in the mattress industry and selling our mattresses straight from our factory to you, we’re able to offer quality-made, comfortable, and durable mattresses for a fraction of the cost. We’re also committed to full transparency in our manufacturing and will proudly tell you what each of the materials we use in our constructions are, their densities, and why we hand-selected them for use in our mattresses.

Whether it’s our mattress customization program for our neighbors in the greater Indianapolis area (individually tailored mattresses that are built upon a 2.2 lb density base layer) or our trustworthy Alpha mattress that we ship nationwide (an all-around performer that won’t break the bank and uses 1.8 lb density foam in the core), we offer a range of true-quality mattresses, priced at 50-70% below retail & e-commerce pricing. Sound too good to be true? We invite you to do your research. We’re confident that you’ll like what you find.