A reinforcing, baffling, or sealing device for a vehicle structure, the device comprising a carrier, an expandable material applied to the carrier, and openings formed in the carrier. The expandable material is formed of a heat activated material having foamable characteristics. The openings are formed in a repetitive pattern and perpendicular to a horizontal axis of the device. The device is stretched along the horizontal axis.

A method for reinforcing, baffling or sealing a vehicle structure, comprising the steps of providing one or more materials having a horizontal axis, at least one terminating edge, and an initial length, forming openings in the one or more materials, and applying the one or more materials to a location requiring reinforcement, baffling, sealing or any combination thereof.

A method for reinforcing, baffling or sealing a vehicle structure, comprising the steps of providing a material having openings formed within the material so that the material may be stretched to fit a particular vehicle structure.