How Much Snow On Roof Is Too Much Montana

So how much snow does this equal.

How much snow on roof is too much montana. In case you need to know the snow load requirements should you be thinking to build a house in montana you can go to the montana ground snow load finder. What was once a gym image. You might want to get out there or have someone else get out there if you see 1 2 feet of snow anywhere on the roof. A depth of more than 30 cm of snow may be greater than your roof can support.

Over the past week as we got pummeled by a desperately needed snowstorm we watched the fluff pile up on our rooftop. This means that you can have a maximum snow load of 1 2 m 4 ft before the roof becomes stressed. On thursday and saturday march 10th and 12th two gym roofs at montana state university msu in. In snow country that number might be anywhere from 30 or 35 pounds per square foot psf to more than 70 psf.

We have a high snow load. Local and or state requirements on the ground snow loads or the roof loads subsequently calculated from these values supercede the values provided by this snow load finder tool. One business in missoula the silver theater already saw the affects too much. Armed with that number a builder can frame the roof appropriately.

How much snow can pile up on your rv roof every winter. Packed snow 7 5 to 12 5 cm 3 to 5 in of old snow is equivalent to 2 5 cm 1 in of water or about 2 3 kg 5 pounds per square foot of roof space. Big snow year proves to be too much for montana state university roof adrian dolatschko march 15 2019 weather. It is right on up there with a balcony at 55 to 60 psf.

After a big snow year in montana some areas of the state are struggling with the load. Several feet of snow have piled up on roofs across the state over the past couple days. These questions aren t quite so easy to answer because there are several variables. Montana ground snow load finder.

How much snow a roof can hold depends on the type of snow roofline and material among other considerations. Note that the state of montana requires a minimum roof snow load of 30 psf be used for design. You need to be careful with flat roofs. For the twin cities metro area the roof snow load equals 35 pounds per square foot or 7 x 50.

The chart below courtesy of paul schimnowski p e gives some examples of snow loads. 2 spruce rafters can handle a maximum span of about 15 ft. As everyone knows cold fluffy snow is very light while wet snow can be extremely heavy. For example where the design load is 50 psf 2x10 no.

Right off the top count on a minimum of 30 psf that is state code.