| 摘要 |
A building panel with a central essentially rectangular insulating core of expanded polystyrene or equivalent including a skin laminated to the core on one side and by a composite skin applied to the other side derived from oriented strand board (OSB), or plywood and with a joint formation at each lateral edge, one joint formation including a male protrusion and an interlock with a groove, and the other joint formation including an extension of the composite skin, a female recess and an interlock with a groove, a joiner disposed within the core recess above the male protrusion such that overlapping portions of the composite skin on adjacent laterally disposed panels meet at the central region of the joiner for stapling or otherwise securing same thereto; and a shear rail derived from the composite skin material or equivalent optionally positioned at a mid point of the panel and supplemented, if desired, by another shear rail at another location, the shear rail running the length of the panel to thereby create an I-beam like effect sufficient, with a given core thickness, to successfully span extended distances; and utilizing spaced-apart parallel shear rails as part of a frame for a drop-in skylight.
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