| 摘要 |
A device to melt ice and snow on a roof structure to provide channels for the drainage of water, the device being an elongated, rigid structure having a hinged end portion to extend over a gutter, having means in connection with the other end portion thereof to removably support the same, the device being formed of a highly conductive material having heating cables in contact with the outer structure thereof for heat transference and having a plurality of apertures in the upper surface thereof, the device being particularly designed to be installed either upon a dry roof or upon a snow or ice covered roof.
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