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Plastic hood flat flange exhaust vents are exterior covers designed for home ventilation systems, like those for dryers or bathroom fans. They are typically made of durable plastic with a rain guard, a built-in damper to prevent backdrafts, and a screen to block pests. They are a cost-effective and lightweight alternative to metal vents.
Key features
- Material: Made from durable polymer resins, such as ABS plastic, with UV inhibitors to resist sun damage and fading.
- Functionality:
- Rain guard: Angled cover to prevent rain and wind from entering the vent.
- Backdraft damper: A flap that opens to let air out and closes automatically when the fan is off to prevent cold air, odors, and pests from coming back in.
- Pest screen: A removable, hinged screen to prevent critters from entering the ductwork.
- Ease of use:
- Lightweight: Easier to transport and install than heavier metal vents.
- Paintable: Can be painted to match the exterior of the home.
- Installation: Designed for simple installation with pre-drilled holes and accessible screw holes.
Common applications
- Dryer vents
- Bathroom exhaust fans
- Kitchen range hoods
- Garage and workshop ventilation