Surface area of the roof times depth of snow gives volume of snow. Take a sample of snow and weight it to determine density (since the density of snow can vary quite a bit). Density times volume equals weight.
You cant
Snow insulates the roof, keep the heat from radiating out. That's why an igloo works.
Snow is heavy and as it piles up on a flat roof it gets heavier. Too much snow on a roof and it will cave in.
If it had no roof.
A 4-12 pitch with a 30lb snow load will hold approximately 6 feet of wet snow. If you went to a 40lb-snow load and kept the roof pitch at 4-12 your roof would be able to hold 8 feet of wet snow. We don't get that much dry powder in New England...:)
No, take it off your roof. It will pool up water come spring, and might dent your roof.
Removing deep snow in layers and removing snow on both sides of a low-pitched roof as you go.
A roof that is pitched off horizontal to allow the runoff of water, snow, or ice.
It depends on the materials used and the amount of snow. There are many examples of flat and low pitched roofs holding snow, but a steep pitched one seems like a better choice. On a steep roof, the snow has a better chance of sliding off.
You need to know how much a cubic foot of snow weighs. It depends on the sort of snow. There is 1500 cu ft of snow on the roof.
Snow may give your roof a serious damage if it takes you days to shovel it. When the snow melts, it becomes heavy and when you shovel it, it's like you're trying to get rid of bricks on your roof. And this weight can cause your roof some leaks and some sections to collapse.
It is a "LIVE LOAD" which is the weight of snow for which a roof is designed for. It is usually 40 lbs. per square foot. Al dead load is the weight of the roof structure itself.
No, roof heat cables are to melt snow so your roof doesn't hold all the weight of the snow for a long period of time. Turning the heat cables on without snow will just be wasting electricity.
Anywhere there is a lot of snow fall. A flat roof will cave in under the weight of significant snowfall.
In removing snow on your roof, there are two options. First is by hiring a roof snow removal personnel. Second is by doing the task by yourself. All you need is a roof snow rakes which is available on the market.
That depends on the roof, but the snow simply has to exceed the maximum amount the roof was designed to carry.
Snow insulates the roof, keep the heat from radiating out. That's why an igloo works.
Snow can make a roof collapse if it is enough. You want to be careful and make sure you remove the snow from your roof if you get bad weather.