Is attic venting necessary in St. Louis, Missouri?
The house is 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 owner’s house. There is a gable vent in the open attic area and a ridge vent in the knee wall living space area. There is also soffit vent through out the house exterior. In the knee wall section of the house the insulation contractor used your product and installed it in between the roof trusses and put it tight against the roof sheating with no baffles. They also isolated the knee wall attic area from the open attic area with insulation.
My concern is that since there is no ventilation in the knee wall section of the attic that we have a potential moisture/mold problem. To recap the situation, the knee wall is insulated with R-13 faced batt insulation (existing), in between the floor joists is insulated with loose blown insulation(added additional), and they installed new R-13 faced batt insulation in between the roof trusses, tight against the roof sheating (NEW).
The attic is also unconditioned. I have talked to a Licensed Architect and respected insulation contractors and they all said we have a potential problem and money was wasted on the insulation added in between the roof trusses.
Can you please comment on this situation? The Insulation Contractor said he does this type of insulation practice all the time.
I was unable to print the picture, can you please go to the energy star site listed and refer to 1.2 Locating Air Leaks for the picture reference.
Thank you for your time,
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