The roof will

First you should get acquainted with the cause of the appearance of icicles. Here I want to notice the temperature difference that exists above the surface of the roof and directly below it. Of course, if warm air is able to simply leave the room through the window, then with the attic everything is completely different. Thus, the heat that rises up instead of heating the room warms the roof. Thus, melt water forms under the snow, which, rolling, forms well -known icicles to all. The most interesting thing is that icicles can reach large sizes and have a weight of more than tens of kilograms. Therefore, in order to avoid the formation of vessels, it is necessary to pay attention to the source of the place where they begin to form. Experts advise warming the roof from the inside, since in this way the snow on the roof will melt slower or this effect will not be at all.