Full answer is here. Subsequently, one may also ask, should I use a roof rake?
Never, never use a roof rake or try to shovel snow off a slanted roof. It will do no good, will not cure ice dams, is extremely hazardous, and can harm asphalt shingles, and in your case, slate shingles. And it will take away snow that is a natural insulator as long as it stays on your house.
Beside above, can roof rake damage your roof? Roof raking can damage your shingles and if you're a roof raker, it's time to climb the ladder to inspect what damage has been done. Granules are scraped off in the winter when homeowners rake their roofs. Some rush to the store to get roof rakes and they end up damaging their roofs.
People also ask, what is a roof rake used for?
A roof rake is a solid piece of metal or plastic about 16 to 20 inches wide on the end of an extension pole, which allows you to rake or pull snow off the roof. They can be purchased at most local hardware stores. Remove as much snow as possible from the top of the roof down toward the gutters.
How much snow on roof is dangerous?
Most roofs can withstand 20 pounds per square foot of snow. 2. Calculate the weight of the snow on your roof. Ten inches of fresh snow equates to about five pounds per square foot, which means your roof likely can support four feet of fresh snow.
