Snow guard

Copper Armor Panel Guard demonstrating snow retention on a copper roof.

A Snow Guard is a device used to retain snow and ice from falling from one surface to a lower one; in contemporary usage they are installed to prevent snow/ice pack from avalanching and damaging people, plants, and property below. They are most commonly installed in multiples or rows on a structure's roof surface, as a form of avalanche control. Snow Guards are installed with a specific quantity and pattern based on the shape, size and pitch of the roof to provide the most uniform system of retention possible.

单词	Ice guard
释义	Ice guard 英语百科 Snow guard A Snow Guard is a device used to retain snow and ice from falling from one surface to a lower one; in contemporary usage they are installed to prevent snow/ice pack from avalanching and damaging people, plants, and property below. They are most commonly installed in multiples or rows on a structure's roof surface, as a form of avalanche control. Snow Guards are installed with a specific quantity and pattern based on the shape, size and pitch of the roof to provide the most uniform system of retention possible.
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Ice guard

Snow guard