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Lomanco 14 in. Whirlybird Internally Braced Turbine Ventilator, Mill Finish Aluminum, 22 in. x 22 in.
Regular price $116.58Orders start at $399 — combine any items to reach the minimum. Learn more
Lomanco 14 in. Whirlybird Internally Braced Turbine Ventilator, Mill Finish Aluminum, 22 in. x 22 in.
The Lomanco BIB-14 Whirlybird is an internally braced aluminum turbine ventilator with a 14 in. throat and a 22 in. x 22 in. mill-finish top. One ventilator is included per order. It mounts on the roof to exhaust warm attic air as wind spins the turbine head.
Key Features:
- Internally Braced: The BIB-14 design braces the turbine head internally for durability without external struts.
- Aluminum Construction: Mill-finish aluminum resists corrosion on the roof.
- 14 in. Turbine Size: A 14 in. ventilator for powered-by-wind attic exhaust.
- 22 in. x 22 in. Base: The 22 in. x 22 in. dimension fits standard curb or roof openings per manufacturer instructions.
- 20 in. Height: Stands 20 in. tall above the roof plane.
- Lightweight Unit: Weighs about 7.5 lb, easy to carry up the roof.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Lomanco |
| Manufacturer model | BIB14 |
| Sell unit | 1 turbine ventilator |
| Product line | Lomanco Whirlybird internally braced turbine ventilators |
| Model series | BIB-14 |
| Profile / style | Turbine ventilator, internally braced |
| Color | Mill (mill finish aluminum) |
| Dimensions | 22 in. x 22 in. base, 20 in. height, 14 in. turbine |
| Height | 20 in. |
| Material | Aluminum |
| Weight | 7.5 lb |
| Selling unit | Each (EA) |
| Intended use | Wind-driven attic exhaust ventilation |
Coverage & How Much You Need:
Ventilation coverage depends on attic square footage and local code; follow Lomanco's ventilation guidelines for the number of turbine vents required. One unit vents one opening; net free area is per the manufacturer's published figures.
Fit and Compatibility:
Part of Lomanco's Whirlybird turbine ventilator line; pair with appropriate Lomanco intake ventilation (such as soffit or under-eave vents, sold separately) for balanced attic ventilation. Install per Lomanco instructions with compatible flashing and fasteners.
Frequently Asked Questions (FAQ):
Q: What is included in the box?
A: One internally braced aluminum turbine ventilator, mill finish.
Q: What size opening does it need?
A: The unit measures 22 in. x 22 in.; follow Lomanco's installation instructions for the required roof opening.
Q: What does it do?
A: It is a wind-driven turbine that exhausts warm air from the attic; it needs adequate intake ventilation elsewhere in the attic to work properly.
Q: Is it made of aluminum?
A: Yes, the BIB-14 is aluminum with a mill finish.
Q: How tall is it?
A: It stands 20 in. high above the mounting plane.
Q: How many do I need for my attic?
A: Follow Lomanco's ventilation guidance and local code based on attic square footage; intake ventilation must be balanced with the exhaust.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Turbine vents like the BIB-14 are a proven wind-driven exhaust option when paired with sufficient soffit or eave intake; without balanced intake, attic airflow suffers. Set the turbine on the roof ridge or high plane per Lomanco's instructions, and seal the curb or flashing properly to prevent leaks. Mill finish aluminum suits most unpainted roof applications; painted finishes are available elsewhere in the Whirlybird line if you want a specific color match.
Roof installation involves fall hazards; use proper fall protection and follow Lomanco's installation instructions and local building codes.
Add the Lomanco BIB-14 Whirlybird turbine ventilator to your attic ventilation plan.
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