Side and stomach sleepers usually need more softness and padding.
Mattress firmness scale ild.
Talalay firmness can vary from about 12 ild up to about 50.
With so many factors going into mattress choice like your body weight height and preferred sleeping position it is difficult to attribute a firmness description to a mattress soft medium firm.
Ild or impression load deflection is a measure of the softness or firmness of a foam mattress.
Firmness is the second most important criteria for people shopping for a new memory foam mattress density being the most important.
The firmness of the mattress is a fundamental characteristic which is quite critical for the decision making process.
Mattresses with a comfort scale rating in the 1 2 range are designed for those who want the firmest mattress possible.
Mattresses with this level of comfort are generally recommended only to back sleepers.
The ild scale removes personal opinion from the description of a foam s firmness and attributes a standardized value to it.
If you sit on the edge of a mattress made with layers that firm it won t sink beneath you.
Avoid falling into the ild trap by reading these revealing findings first.
Unfortunately firmness is often misunderstood by consumers and misused by retailers.
The amount of weight or pressure required to compress the mattress to that extent is the ild.
Not only will it determine the overall level of comfort but it s also going to have a serious impact on the support of the bed as well.
Ild is measured by pressing a 12 inch round disk into a 4 inch piece of foam until it presses 25 or one inch into the mattress surface.