Internal braced with 132 sq. in. net free area. Wind Turbines are a type of attic exhaust vent that make up half of a balanced attic ventilation system for each roof. Intake vents make up the other half of the system.
Internal braced with 132 sq. in. net free area. Bracing Internally Braced. Wind Turbines are a type of attic exhaust vent that make up half of a balanced attic ventilation system for each roof. Intake vents make up the other half of the system.