It could weigh over 20 pounds if it s wet and compacted.
If the snow on the roof is too heavy.
Signs of roof damage from excessive snow.
Visible sagging in the roof that can be seen from inside the home or in the attic as well as being seen from outside on the ground.
Sticking interior doors such as those leading to bedrooms bathrooms or closets.
Numerous cracks in walls or masonry.
Within a few days of falling most of the snow slides off.
Heavy snowfall accumulation will stress your roof and may potentially become a danger to roof collapse design dependent.
If a foot of snow comes down on saturday however he said the.
Doors that pop open for no reason.
That works out to be 11 25 pounds per square foot.
Signs that your house be at risk from bearing the weight too much snow on the roof are.
A cubic foot of snow can weigh about 7 pounds if it s dry and fluffy.
According to our math in this example your roof is probably doing just fine.
The risk of a roof collapse is low.
Two feet of snow on a roof with a footprint of say 28 40 feet could weigh 45 000 pounds.
There are some clues to look for to determine if a home is suffering under the weight of too much snow.
Noises coming from the roof like creaks or pops that are often continuous and are not associated with winds or other factors.
If a snowstorm just dumped about 9 inches of heavy snow on your roof the equation to determine snow load is 9 x 1 25.
Windows that are hard to open and close.