Patent ID: 7883763

Claim:
A laminated structure appropriate for use in constructing walls, floors, ceilings or doors, said laminated structure having a selected area, said laminated structure comprising: two external layers of one or more materials each having an outer and an inner surface; at least one internal constraining layer having an area less than said selected area; and two or more internal layers of a viscoelastic glue in direct contact with the inner surface of the external layers and separated by said at least one internal constraining layer, wherein each of said layers of viscoelastic glue is patterned to cover between about twenty (20%) and about eighty (80%) percent of said selected area of said laminated structure, and wherein the internal layers of viscoelastic glue and the internal constraining layer each have a portion not overlapped by any of the other internal layers of viscoelastic glue or by the internal constraining layer; thereby allowing moisture to pass through said structure.