Design Criteria

Snow Load: 15psf

Wind Speed: 90 miles per hour (mph) with 115 mph for 3 seconds

Seismic Zone: B

Weathering: Severe

Frost Line Depth: 12" (inches)

Termite Zone: Moderate to Heavy

Winter Design Temperature: 14 degrees Fahrenheit

Ice Barrier Underlayment: No

Mean Annual Temperature: 60 degrees Fahrenheit

City of Portland Manual J Criteria: Either Nashville, TN or Bowling Green, KY will be acceptable.