Choosing a Mattress with Memory Foam: What You Need to Know


When shopping and comparing mattresses that are made with memory foam, density is an important consideration. That is because the density impacts several characteristics of a mattress and, therefore, the owner’s overall satisfaction.

Approximate Weights of Densities

Memory foam density references the mass of material found in a 30.58 cm x 30.58 cm square. When memory foam is denser, it contains a larger amount of polymers and less air. The foam weighs more as a result. The amount of weight for memory foam is generally based on the following:

  • Low Density Memory Foam – about 1.36 kg
  • Medium Density Memory Foam – about 1.81 kg
  • High Density Memory Foam – about 2.95 kg

Mattress Longevity

Density also plays an instrumental role in the longevity of a memory foam bed. Foams that are not as dense are less resistant to softening and compression than higher density foams. The weight of the base layer is additionally important as it serves as a support. If this core foam loses its capacity to support a sleeper, it will have to be replaced by another mattress with soft to firm memory foam density.

Beds featuring low memory foam density are shown to last about five years, while medium densities last about seven years, and high densities last almost ten years. While lower density beds are sold at lower prices, they also may need to be replaced twice as often. Memory foam mattress manufacturers state that the density of a mattress is a major predictor of lifespan.

In addition to lifespan, density plays a part in odour and heat. Because more chemicals or polymers are present, denser foams can exhibit more off-gassing. The higher-density beds are also shown to trap more heat. However, medium or higher density foams are also better choices for people wishing to experience more comfort or relief from pain.

What Reviewers Have to Say

People who own memory foam beds generally report above-average satisfaction, particularly when their reviews are compared to owners of spring mattresses. Research along these lines is generally drawn from a number of sources, including third-party consumer websites, retail websites, and third-party review sites.

Taking a Closer Look

While every type of memory foam bed has its advantages and drawbacks, contrasting quality and density can be a helpful gauge for discerning the value of a memory foam mattress when you are shopping online.

Therefore, when looking at these types of beds, do your due diligence. Check out the specifications to determine if a mattress meets your anticipations and needs. The foam density relates to both comfort and longevity. As a result, reviewing this aspect is an essential part of memory foam shopping. Contrast the detail with costs and personal preferences in order to obtain the best mattress in your price range.

Making a Decision

When you shop for a mattress in this way, you can shortlist your choices all that much more easily. If you want to find a mattress that will last longer and support any discomfort, then make sure you pay close attention to a mattress’s density.


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