Many mattress companies are now offering memory foam as a mattress option. If you are looking for a double mattress, there are some things you should know about memory foam. Memory foam was developed to make safer seats for airliners. It is a petrochemical product and it is activated by body heat. Memory foam was first used to make hospital mattresses because it doesn’t create pressure points.
There are various qualities of memory foam offered in mattresses. Density ranges from about 3.2 pounds to 5 pounds. The higher the density the firmer the mattress and the slower the memory foam will return to it’s original shape. Most memory foam mattresses contain a layer of memory foam over a poly urethane core. The memory foam layer should be at least 2 inches deep, but not more than 6 inches deep. The foam conforms to the shape of the body as it warms. The deeper cooler foam remains firm.
Memory foam is hypo allergenic since is is less subject to dust and dust mites than other materials. New memory foam does off gas with an odor that has been compared to latex paint. Double mattresses made from memory foam may reduce allergy related asthma attacks in some individuals, but have been know to cause respiratory problems for individuals who have a sensitivity to latex or other related chemicals.
Generally speaking, double mattresses made from memory foam are more expensive than coil spring mattresses. Most manufacturers offer several memory foam options at different prices. The density of the foam and the quality of the core or the upholstery vary according to the price. It’s wise to comparison shop with several retailers when selecting memory foam double mattresses.
It is possible to buy memory foam toppers that fit over a current mattress, but these may slide some and they will not provide the full benefit of the memory foam mattresses. When more than one person is sleeping in a bed memory foam double mattresses have an added benefit. Memory foam doesn’t transmit motion. If a person on one side of the bed stands up and walks across the mattress, the person on the other side of the bed will not feel the motion.
If you are consider purchasing double mattresses made from memory foam, it is wise to check them out at a local retailer. You can comparison shop with both local retailers and online retailers once you have decided on the particular double mattresses in which you are interested.