More Picture Of What Roof Pitch Do I Need For Snow HD Image Size. A flat or low pitch roof might be just what you need. Jun 13 2013 One key difference in industrys approach to snow on roofs is that keeping snow on the roof is something that they desire-quite the opposite from the trend in North America.
That is because owners want to avoid the snow falling in front of the individual unit doors. Better raise that roof pitch a bit more to account for the buckets of snow you get every winter. 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.
If it is 5 inches you have a 512 pitch.
Roof pitches of 312 412 512 or 612 work best for metal buildings in snow country. Generally speaking steep and smooth roofs shed snow more easily than flat or only slightly pitched roofs. However you can only use this pitch with built-up. Furthermore what is the minimum pitch for a metal roof.