如何清除屋顶上的雪
Snow on the roof may look pretty, but too much can potentially cause structural damage.
Heavy snow on a roof can cause multiple issues and can lead to costly damage. 通常 普通新雪的重量 is 3.每立方英尺59磅. Wet snow, however, is much heavier and poses a greater risk for roof damage. A few factors that go into snow-induced structural failures include:
- 屋顶的形状
- 屋顶的斜度
- 屋顶的构造
- 维修历史
- 屋顶暴露在风里
- 积雪的类型
屋顶压力的迹象
Recognizing the signs of roof pressure and the risk of damage is important. New snow and old snow combined can easily exceed load capacity. 融化的雪多次重新结冰. As it melts, excess snow can also create 冰坝破坏 and may ruin your home's interior under the eave line. While most roofs are built to withstand 更多的 than that, your roof may be under too much pressure if you see these signs:
- 沿着屋顶线可见的下垂
- 天花板或墙上的裂缝
- 爆裂声或嘎吱声
- 难以打开的门窗
屋顶除雪
Once you have recognized that snow pressure is a problem, you should safely remove as much of it as possible. 请记住以下几点:
- 雇佣一个 专业. A person who does this work regularly should know the best techniques and likely be insured.
- 不要独自工作. Always have someone with you in case you 滑 或者有紧急情况.
- 清理区域. 的 梯 up to your roof should be positioned on solid ground. Also, make sure the rungs are clear of ice and snow before you climb.
- 保护你自己. If possible, use a strap or belt to anchor yourself to something strong, like a chimney.
- 避免瓦板损坏. Stay away from picks, hammers or other sharp tools to clear snow and ice.
屋顶除雪工具
T在这里 are various methods and tools to remove snow from your roof. Some of the typical tools used are rope, wire, an avalanche system or a shovel. 的 method will depend on how much snow t在这里 is on the roof, and what type of snow it is. If you have a one-story or flat-roofed house, invest in a snow rake. 的se long-handled tools with plastic blades can help you gently pull snow from the edge of the roofline.
常规的 维护屋顶 also help reduce the risk of damage from ice and snow. Many roofing contractors have the proper harnesses, tools and footwear to do most jobs safely.
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