![]() ![]() Thicker layers of foam will also have a higher ILD as more pressure will be needed to compress them, so they'll withstand more wear and tear in years to come. This scientific-sounding term refers to the foam's firmness, and it's usually tested by a heavy duty machine that compresses a sample of the foam to 25% of its original thickness (height).Ī high ILD is usually found on firmer foams, whereas softer foams have a low ILD. These cost more, as high-density memory foam is expensive to make. Low PCF foams degrade faster than high PCF foams (the most long-lasting), so the more high-density foams used in your mattress, the longer it will last. When used in relation to memory foam, density is measured in pounds per cubic feet (PCF). There are other ways to gauge how long a memory foam mattress will last, and they include the following: In general, memory foam mattresses are among the most durable bed types and can last longer than hybrids as they're constructed from fewer components (such as coils) that are prone to deteriorating faster. The upside to this is enhanced sleep comfort for you, as you'll feel cooler and better supported. Good quality beds naturally last longer than cheaper models because they use more durable foams. Many factors affect longevity and dictate whether your mattress ends up on the shorter or longer end of that lifespan. How long do memory foam mattresses last?Ī memory foam mattress lasts six to ten years on average before loosing its shape and ability to contour to your body, but some can last 15 years or longer. Depending on the brand and whether you go for a premium model or one of the best affordable mattresses, you'll come across memory foam with a number of different response times (how quickly or slowly they contour to you then later regain their shape), in various firmness ratings, and infused or cut in different ways to promote airflow. Interesting fact: memory foam isn’t a single material but a name for a wide group of similar foams. ![]() In the case of memory foam, polyurethane is treated with certain chemicals to increase its density and viscosity, causing the material to react with your body heat and slowly adapt to your shape. ![]()
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