How Much Snow Is Too Much?
One cubic foot of fluffy, dry snow weighs about three pounds. The same amount of dense, wet snow can weigh as much as 21 pounds. While most roofs are built to withstand more than that, your roof may be under too much pressure if you see these signs:
- Visible sagging along the roofline
- Cracks in the ceiling or on the walls
- Popping or creaking noises
- Difficult-to-open doors and windows
Excess snow can also lead to ice dams — melting snow refreezes and can damage your home's interior under the eave line.
How to Safely Clear Your Roof
Keep the following in mind:
- Never work alone. Always have someone with you in case you slip or have an emergency.
- Clear the area. The ladder up to your roof should be positioned on solid ground. Also, make sure the rungs are clear of ice and snow before you climb.
- Secure yourself. If possible, use a strap or belt to anchor yourself to something strong, like a chimney.
- Avoid shingle damage. Stay away from picks, hammers, or other sharp tools to clear snow and ice.
- Use the right tools. If you have a one-story or flat-roofed house, invest in a snow rake. These long-handled tools with plastic blades can help you gently pull snow from the edge of the roof line.
Always remember: If in doubt, call a roofing contractor. They have the proper harnesses, tools and footwear to do the job safely.
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