Snow Roof Degree

Lower slopes don t handle wind driven rain as well.

Snow roof degree.

And although asphalt shingles are the easiest to damage among the roofing materials they are another good option for snow as long as your climate isn t too windy. Besides being able to support the weight of all that snow a roof needs to be designed to avoid ice dams sliding snow excessive icicle formation and drainage onto high traffic areas. Slate is also a popular material in this climate zone. How to convert roof pitch to degrees.

The 30 degree 7 12 roof recommendation is backed up by testing according to the publication science daily. To find the angle of a roof in degrees convert the pitch to a slope then convert to degrees by finding the arc tangent of the slope. 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. It is not uncommon in our area to have several feet of snow on a roof in the winter.

Rise run rise run slope. To do this simply convert the rise and run as a fraction to a decimal form eg. The easiest and most common sense approach is to keep the roof as simple as. The minimum roof pitch for shedding snow is around 30 or a 6 12 or 7 12 slope although this is not a definite as the material of your roof the direction of the snow and wind are some factors that can affect whether or not snow will slide as roofs of as little as 10 have been reported to shed snow.

Steeper slopes increase the sail effect that makes them susceptible to wind.