10 12 inches of new snow equates to 5 lb per square foot of roof space.
How to see if your roof is collaping from snow.
Arguably the most famous roof collapse from snow of recent times was the minneapolis metrodome home to football s minnesota vikings and baseball s minnesota twins.
If you feel that you need a new guttering system or a full roof replacement you can contact harry helmet to schedule a free on site inspection.
If you need to wait for a roofer use a telescoping snow rake to remove what snow you can during heavy snowfall.
The roof collapsed from a snow load of 17 inches that fell in the area on december 12 2010.
Your roof can tolerate much less accumulation of wet snow.
Extreme weather conditions are the most common cause of roof collapses.
So about 4 feet of fresh snow would have to be on your roof for it to become stressed.
Packed snow is a little different.
To understand just how much stress snow can put on your roof check out the following ibhs snow roof guidelines.
If sprinkler heads are protruding through ceiling then you may be at risk of a roof collapse.
It is imperative to inspect your roof deck regularly and respond accordingly to any structural damage that might cause roof failure.
It is therefore very crucial for homeowners to identify and act on signs that a roof is in danger of collapse.
Once the excess snow has been removed from your roof and weather conditions permit you should inspect your gutters and roof shingles to see if repairs are needed.
Common signs of potential roof collapse from snow include.
Protect your roof to avoid snow roof collapse.