| 摘要 |
A method comprises a) attaching a first skin to a first surface of an open cell foam to form a precursor for a door, window or panel; and b) attaching a second skin to the precursor in a separate step from step a). A precursor for a door, window, or panel, comprises a skin attached to one face of an open cell foam, but not to an opposing face of the open cell foam.
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