Mattress Firmness Scale Ild

Comfort scale ratings 1 2.

Mattress firmness scale ild.

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. Side and stomach sleepers usually need more softness and padding. 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.

Mattresses with this level of comfort are generally recommended only to back sleepers. In bedding an ild of 12 would be regarded as very soft you d nearly sink through it. Talalay firmness can vary from about 12 ild up to about 50. Avoid falling into the ild trap by reading these revealing findings first.

If you sit on the edge of a mattress made with layers that firm it won t sink beneath you. 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. An ild of 50 on the other hand is very firm. Mattresses with a comfort scale rating in the 1 2 range are designed for those who want the firmest mattress possible.

The ild scale removes personal opinion from the description of a foam s firmness and attributes a standardized value to it. The amount of weight or pressure required to compress the mattress to that extent is the ild.