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Aug 19, 2024 · Since Canada frequently experiences heavy snowfalls, knowing how much snow load your roof can withstand is essential. Our calculator automatically finds the permissible load on your roof according to The National Building Code of Canada (NBC).
- Roof Pitch
There is no standard, universal roof pitch.Roof pitch varies...
- Roof Pitch
Dec 3, 2020 · Example. If you have 2 feet of settled snow, which has a density of 15.61 pounds per cubic foot, the formula for calculating the snow load is: Snow Load = Snow Density (15.61 lbs/ft³) × Depth of Snow (2 ft) The result is approximately 31.22 pounds per square foot of snow load on the roof. Keep in mind that flat roofs are at higher risk for ...
Try our free snow load calculator to find out the maximum height of snow your roof can support.
Jan 17, 2024 · These calculators consider factors such as roof slope, geographic location, and design parameters to determine the approximate snow load. By inputting specific data, you can easily calculate the estimated snow load your roof needs to bear.
Dec 3, 2020 · 10-12 inches of fresh snow melts down to about one inch of water. Most roofs can support about 40-45 inches of fresh snow. Packed snow is more dense than fresh, fluffy snow. Therefore, a roof can support about 20 inches of packed snow. One inch of ice is the equivalent of one foot of snow.
Wondering if you should remove snow from your roof? Here is how to calculate the weight of snow on your roof. You can also try our snow load calculator!
May 20, 2022 · Your roof might safely accommodate up to 2 feet of packed snow, but anything beyond that is very risky. Ice – Ice has a straightforward 1 to 1 (5 psf) of ice-to-water ratio. Thus your home can support up to 4 inches of ice before it reaches the 20 psf danger zone.