| 摘要 |
A roof beam ( 14 ) for a conservatory roof ( 10 ) comprises a core profile ( 16 ) of metal, a plastics member ( 18 ) fitted to the core profile and providing at least one ledge for carrying an edge of a sheet of glazing material ( 12 ) and a cap ( 20 ) mountable on the plastics member for retaining the glazing sheet thereon.
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