How Much Does Snow Wigh On A Roof

These questions aren t quite so easy to answer because there are several variables.

How much does snow wigh on a roof.

The snow load will be different depending on the construction of your 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. 28 40 light fluffy snow. 57 pounds a square foot.

The weather channel meteorologist mark elliot takes on a weighty subject just how much does snow weigh. Whether it s a flat roof or a pitched roof. Per square foot of roof space which is beyond. Evaluate your risk of roof top snow ice accumulation.

3 5 inches of old snow is equal to one inch of water or about 5 lbs. Calculating snow load on your roof depends on two factors. If you live in the us our snow load calculator compares the total weight on your roof with the permissible load calculated according to the standards issued by the american society of civil engineers regarding the minimum design loads for buildings and other structures asce7 16. Calculating snow load on roof.

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. Even if you re only looking at the snow that lands on your roof that can be enough to cave it in. Here are a few examples of the weight of snow on a roof. Measuring snow load for flat roofs.

How much does snow weigh. How much does snow weigh on a roof. Psf pounds per square foot. Even though we typically measure snowfall in inches or feet you ll want to think of it in terms.

Fluffy fresh snow can weigh as little as three pounds per square foot compared with 21 pounds for wet heavy snow according to fema. All numbers are approximate. Two feet of old snow and two feet of new snow could weigh as much as 60 lbs. Per square foot of roof space so anything more than 2 feet of snow could be too much for your roof to handle.