Maximum Snow Load for Your Roof Guide
While most roofs can reliably hold about 20 pounds of snow per square foot, numerous factors can throw off this number for individual homes. Winter weather and snow also take a heavy toll on your asphalt shingles. Finding out how to calculate the load yourself, how to restore your asphalt shingles if cold weather dries them out, and how to maintain your roof will help you get more life out of it and lower the risk of roof damage..