| 摘要 |
An inside and outside corner for construction material used as siding, roofing, paneling and the like. The corner in its natural position has a diameter (depth) sufficient to accommodate siding material with an insulating backing. The corner piece has a stress yield joint for compression to a diameter (depth) to be sized to siding material with no backing material. In a first alternative embodiment, for particular adaptation to plastic siding, the yield joint further comprises interlocking means to retain the corner in position when plastic siding with no backing is utilized.
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