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Alpine
Insulation fax
800-924-5696
Employees Check Your Mail Here
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Ventilation
Many codes require a ventilation area equal to at least one three-hundredth of the attic floor area. Ideally, 50 percent of the required ventilating area should be provided by vents located in the upper portion of your attic, while the remaining 50 percent should be provided by eave vents. |
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