You can use them to replace the couch’s existing filler material or create new cushions from scratch! WebMD also goes on to suggest that a dense foam mattress can increase the risk of sudden infant death syndrome. Thus, it can spring back and hold its shape for a very long time. These are best for sofas that need to support two or more people. This type of foam also has a cooling effect. But, the ILD will give you a better idea of how firm or soft the material is. Odor: Memory Foam: 8.4/10 High Density Foam: 8.4/10. Now we're not trying to be alarmists, but this is clearly an issue that one should take seriously. That’s because it has fewer chemical compounds that could speed up its breakdown. Hypoallergenic: High Density Foam: 8.1/10 Memory Foam: 8.1/10. Comfort: Memory Foam: 9.4/10 High Density Foam: 8/10. Dacron wrap is a polyester lining that goes around foam cushioning. Latex foam is another material worth checking out. and high resilience (2.5 lb./cu.ft. Synthetic latex has very similar properties to its natural counterpart. High Density Foam Mattress vs. Memory Foam. While all high density memory foam mattresses can be an affordable alternative to a "real" mattress, they simply can't compete with the support that a sophisticated and well-engineered innerspring system provides. However, high density (1.5 to 2 lb./cu.ft.) Memory Foam Vs High Density Foam. Remember, our goal was to provide the very best mattress possible, regardless of how that mattress might be constructed, or what materials would be used to do so. Remember that four-digit number we mentioned earlier? The best foam to use for sofa cushion is high-density polyurethane foam. It’s always a good option for seat cushions. You might use it on top of traditional PU foam to create a plusher feel. In furniture-making, density refers to the amount of material in one cubic foot of foam. So, you would choose a high-compression foam with a higher ILD rating. This type of foam will feel firm yet comfortable. It becomes softer when you touch it, improving efficiency and comfort across the board. The great thing about poly-fill is that you can easily adjust the firmness of the cushion to meet your needs. Pros: Cooler sleeping surface vs memory foam. As a result, it conforms to your body perfectly! Underneath the fabric upholstery, the poly-fill will provide more give so that you can sink down into your sofa. Eco-Conscious: In that case, the “28” would mean 2.8 pounds. Latex foams usually outlive polyurethane. This can prevent heat buildup. You might see this represented a couple of different ways. A memory bed refers to a product that uses exclusively viscoelastic products to create a mattress while the term “all-foam” can refer to a combination of temper and poly elements to create a bed or the sole use of either one of the substances. Generally, anything above 2.5 pounds per cubic foot is high-density. Odor: High Density Foam: 8.4/10 Memory Foam: 8.4/10. While it may cost more, a well-made cushion is more than capable of lasting decades. Meanwhile, a lower rating will compress and conform to the shape of your body. In the four-digit rating from earlier, 2836, the ILD would be 36 pounds. Required fields are marked *. This measurement tells you how much weight the foam can take before it compresses down one inch. So far I’ve probably confused you even further, but below you will find some straight to the point information regarding low, medium and high density memory mattresses that will hopefully give you an idea of where to start.First I should explain what density actually means.Basically, it’s very easy. This firm material is capable of lasting for several years without losing its shape. When you consider the fact that many of us spend more than one-third of our lives on our mattresses, it is important to know the benefits of a hybrid mattress vs. memory foam mattress. This … With our 100-day trial program, you literally have nothing to lose and everything to gain.