Snow On Slanted Roof

Sloped roof snow loads are assumed to be acting on the horizontal projection of the surface.

Snow on slanted roof.

The sloped roof snow load p s shall be obtained by multiplying the flat roof snow load p f by the roof slope factor c s. They would say use a low slope approximately 5 12 and keep the snow on. When the roof slope is greater than 5 the roof is considered sloped. Slipperiness of the roof.

C s roof slope factor p f flat roof snow load. Snow on roofs is indeed a major issue. P s c s p f. Less snow will accumulate on a slippery roof it will slide off instead.

Before the snow starts to fall and build up on the roof of your house take the time to know how much snow your roof can support. This roof snow removal is top on my list as i m really worried about collapse. If your roof is located in windswept areas or even north of the treeline the wind will cause snow drifting making less of it accumulate on your roof. One key difference in industry s approach to snow on roofs is that keeping snow on the roof is something that they desire quite the opposite from the trend in north america.

The thermal factor c t from table e 3 determines if a roof is cold or warm slippery surface values shall be used only where the roof s surface is unobstructed and sufficient space is available below. I use a snow roof rake but am only able to get the lower end of my slanted roof. Snow is just frozen water and liquid water. The sloped roof snow load is calculated using equation 7 4 1.

Evaluate your risk of roof top snow ice accumulation snow usually melts off of steep sloped roofs slopes greater than 3 inches of slope in 12 inches of horizontal distance more quickly than flatter roofs. As you might expect buildings of high importance such as power plants schools or hospitals need to be more snow resistant and so can withstand a higher load. P s c s p f where. Elaine jackson chicopee ma.