Prevent Roof Collapse on Homes

The following is an excerpt from the article “Preventing Roof Collapse on Homes.” For more information please visit disastersafety.org.

snow_collapse_chartclick the above to see a larger image

Guidance for understanding how much snow is too much for your home’s roof to handle.

snowy_roof_sm

EVALUATE YOUR RISK OF ROOF TOP SNOW/ICE ACCUMULATION

  • Melting snow tends to more quickly run off of steep sloped roofs with slopes greater than 3 in. of slope in 12 in. of horizontal distance, particularly the steeper ones that are typically found on houses in northern climates.
  • Ice and snow tend to more readily accumulate on low slope and flat roofs over porches, lanais or parts of a home that are next to a taller section of the house, especially during high winds.

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