Climate & Geographic Design Criteria

  • Ground Snow Load: 20 pounds per square foot
  • Wind Design Speed: 90 miles per hour
  • Seismic Design Category: A
  • Frost Line Depth: 34 inches
  • Winter Design Temperature: 4 degrees F
  • Ice Barrier Underlayment Required: Yes
  • Air Freezing Index: 1,000
  • Mean Annual Temperature: 59 degrees Fahrenheit