That works out to be 11 25 pounds per square foot.
If the snow on the roof is too heavy.
If the roof had to carry a weight equivalent to a snow load all year without weakening it would have to be much more robustly built.
A cubic foot of snow can weigh about 7 pounds if it s dry and fluffy.
Numerous cracks in walls or masonry.
Two feet of snow on a roof with a footprint of say 28 40 feet could weigh 45 000 pounds.
Signs that your house be at risk from bearing the weight too much snow on the roof are.
Windows that are hard to open and close.
If a foot of snow comes down on saturday however he said the.
Doors that pop open for no reason.
According to our math in this example your roof is probably doing just fine.
The risk of a roof collapse is low.
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.
Noises coming from the roof like creaks or pops that are often continuous and are not associated with winds or other factors.
Signs of roof damage from excessive snow.
Heavy snowfall accumulation will stress your roof and may potentially become a danger to roof collapse design dependent.
Sticking interior doors such as those leading to bedrooms bathrooms or closets.
Within a few days of falling most of the snow slides off.
According to hammill homes are built strong enough to withstand the weight of minnesota snow.
Signs your roof is compromised by too much snow.