| 摘要 |
A BUILDING SHEET (10) FOR FIXING TO BUILDING STRUCTURES COMPRISES A CORRUGATED PROFILE WITH AN EXPOSED SURFACE (11). THE BUILDING SHEET HAS ALONG ONE SIDE EDGE (13) OF THE SHEET AN ANCHORING SKIRT (20) SUPPORTING A FIXING PORTION (23) THAT IS ADAPTED TO BE FASTENED TO A BUILDING STRUCTURE. IT ALSO HAS A FIRST ENGAGING MEANS (15) PROVIDED ALONG SAID ONE SIDE EDGE AND A SECOND ENGAGING MEANS (16) PROVIDED ALONG AN OPPOSITE PARALLEL SIDE EDGE (14) OF THE SHEET, THE SECOND ENGAGING MEANS (16) BEING ENGAGE ABLE WITH THE FIRST ENGAGING MEANS (15). IN USE, TWO BUILDING SHEETS ARE ADAPTED TO BE LAID ADJACENT ONE ANOTHER SUCH THAT THE FIRST AND SECOND ENGAGING MEANS ON ADJACENT SHEETS ENGAGE TO FASTEN THE SHEETS TOGETHER AND THEREBY CONCEAL THE FIXING PORTION (23) OF THE ANCHORING SKIRT (20) FROM THE EXPOSED SURFACE (11).(FIG 1)
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