Snow On Slanted Roof

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.

Snow on slanted roof.

Elaine jackson chicopee ma. 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. 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. Slipperiness of the roof.

P s c s p f where. 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. 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. 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.

Many people had damage from last year s record snows. Snow is just frozen water and liquid water. Less snow will accumulate on a slippery roof it will slide off instead. They would say use a low slope approximately 5 12 and keep the snow on.

Snow loads acting on a sloping surface shall be assumed to act on the horizontal projection of that surface. 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. The sloped roof snow load is calculated using equation 7 4 1. C s roof slope factor p f flat roof snow load.

P s c s p f. When the roof slope is greater than 5 the roof is considered sloped. Snow on roofs is indeed a major issue. Sloped roof snow loads are assumed to be acting on the horizontal projection of the surface.