| 摘要 |
The guttering (4) has a break formed by a hinged section which supports the purlins. The purlins (2) are insulated due to their two-part plastics construction with an aluminium bearer. The plastics overhangs the aluminium profile and prevents inward transmission of exterior temperatures. The edge purlins (3), in addition to the plastics, have a further isolation, in resin. - The corner posts (5) are insulated in the same way as the edge purlins, with the points of isolation connecting, on the side, to the edge purlin and at the front to the gutter.
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