How Much Does Snow Weight On Roof

1 foot of snow on the roof 8 000 lbs 4 tons 7 psf 2 feet of snow on the roof 16 000 lbs 8 tons 14 psf 3 feet of snow on the roof 24 000 lbs 12 tons 21 psf.

How much does snow weight on roof.

3 5 inches of old snow is equal to one inch of water or about 5 lbs. Per square foot of roof space which is beyond. For any rafter the portion of the roof deck that transfers this load is the tributary area. With this information you re now likely wondering about the weight of snow load on your roof.

Snow which is just frozen ice crystals varies in weight by its volume and density. How much does snow weigh on a roof. Snow loading is the downward force exerted on structures by the weight of accumulated snow. How much snow a roof can hold depends on the type of snow roofline and material among other considerations.

Wet snow can be nearly three times heavier than dry. The roof of any building is the area subject to the greatest weight temperature and moisture extremes. Per square foot of roof space so anything more than 2 feet of snow could be too much for your roof to handle. How much does snow weigh.

The weight of the snow. Calculating snow load on your roof depends on two factors. 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. Ten inches of fresh snow equates to about five pounds per square foot which means your roof likely can support four feet of fresh snow.

All numbers are approximate. Please remember that the numbers given by this calculator are just an approximation and are by no means 100 accurate. A roof in an older building may be underbuilt and therefore more vulnerable to structural problems. Calculating the weight of snow is useful when you need to know the total weight it adds for example to calculate the weight on a roof.

If it snows 5 of wet snow it will weigh about 12 5 pounds. 28 40 light fluffy snow. Psf pounds per square foot. Unsurprisingly wet snow is the heavy stuff.

Calculate the weight of the snow on your roof. The roof deck collects the snow load and transfers the weight to the rafters. Here are a few examples of the weight of snow on a 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.

There is a calculation for this too. Calculating snow load on roof.