Mattress Firmness Scale Ild

Ild or impression load deflection is a measure of the softness or firmness of a foam mattress.

Mattress firmness scale ild.

Comfort scale ratings 1 2. The ild scale removes personal opinion from the description of a foam s firmness and attributes a standardized value to it. 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. Unfortunately firmness is often misunderstood by consumers and misused by retailers.

An ild of 50 on the other hand is very firm. 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. In bedding an ild of 12 would be regarded as very soft you d nearly sink through it. Avoid falling into the ild trap by reading these revealing findings first.

Mattresses with this level of comfort are generally recommended only to back sleepers. If you sit on the edge of a mattress made with layers that firm it won t sink beneath you. The amount of weight or pressure required to compress the mattress to that extent is the ild. 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.

Talalay firmness can vary from about 12 ild up to about 50. The firmness of the mattress is a fundamental characteristic which is quite critical for the decision making process.