Snow density increases over time as the snow experiences more changes in temperature and wind.
Weight of ice and snow on roof.
Per square foot of roof space which is beyond the typical snow load capacity of most roofs.
While snow which is a crystalline form of ice is lighter in weight than solid ice each cubic foot of snow adds 17 pounds per square inch to the roof.
Our snow load calculator helps you to make the decision when to remove the snow from your roof by comparing the weight of snow with the load carrying capacity of the roof.
S 1 25 p where s is the number of inches of snow on your roof and p is the pounds per.
Two feet of old snow and two feet of new snow could weigh as much as 60 lbs.
Use this basic formula as a guide but always check with your local weather experts regarding the type of snow that.
Please remember that the numbers given by this calculator are just an approximation and are by no means 100 accurate.
Homes in areas prone to heavy snowfall require special engineering to support the load.
Warmer temperatures lead to higher and heavier moisture content.
Estimate the weight of snow on your roof saturated snow weighs about 20 lbs cubic foot.
The weight of ice and snow on a roof has the potential to cause winter disasters.