| 摘要 |
Siding panels for covering the exterior wall of buildings mutually define a tongue and groove interfit which facilitates installation by placing the weight of an upper panel on an underlying lower panel instead of requiring an installer to hold the panel in place against gravity. Mounting nails are used in combination with the tongue and groove interfit to positively lock the tongue of one panel into the groove of the underlying panel. Nail placement is controlled by the relative placement of nail slots and hammer abutment surfaces formed on each panel. Because the panels must be pivoted in place and held in place by the overhanging siding nails, it is virtually impossible for the installer to make a mistake that results in an upper siding panel coming loose from the siding panel below.
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