Share 'IS ATTIC VENTING NECESSARY IN ST. LOUIS, MISSOURI?'

Is attic venting necessary in St. Louis, Missouri?The house is a 2-story, approx. 15 years old and additional insulation was added. The Insulation Contractor used Owens Corning R-13 faced batt insualation and loose blown in insulation.The picture I have sent you represents the homeowner's house. There is a gable vent in the open attic area and a ridge vent in the knee wall living space area. Ther…