Spring wire support for foundations and inner spring mattresses

A variable spring surface deck for a foundation, comprising

• a. a plurality of elongated spring elements, each spring element enveloped in an individual pliant carrier, each said carrier including an attachment margin, and said carriers being located on a top surface of the foundation in a spaced orientation, and
• b. a fastening system utilizing said attachment margins and securing said spring elements to said top surface.

A variable spring surface for a mattress, the mattress comprising a grid top and parallel rows and columns of springs secured to the grid top, each spring comprising helical wire convolutions, the variable spring surface comprising

• a. a plurality of elongated spring elements, each spring element being enveloped in an individual pliant carrier, and
• b. each spring element being located between top and adjacent convolutions of each spring of one of a row and column of the springs.