| 摘要 |
A cladding product which includes a panel having at least one panel section and at least one longitudinal recess. The longitudinal recess includes a first channel portion adjacent to the panel section and a second channel portion adjacent to the first channel portion. The second channel portion includes at least one edge portion that extends wider than the first channel portion at a distal end of the first channel portion. The second channel portion includes a plurality of ventilation openings formed on the at least one edge portion.
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