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Bay Cities Metal Bay Cities Gravity Vent, 12 in. x 12 in. or 14 in. x 14 in., Mill Metal
Regular price $170.00Orders start at $399 — combine any items to reach the minimum. Learn more
Bay Cities Metal Bay Cities Gravity Vent, 12 in. x 12 in. or 14 in. x 14 in., Mill Metal
The Bay Cities Metal Gravity Vent is a mill-finish metal roof vent available in 12 in. x 12 in. and 14 in. x 14 in. sizes with 1/8 in. mesh screening. It provides gravity-powered attic ventilation and is sold one piece per unit. Choose the size that matches your attic ventilation plan and roof layout.
Key Features:
- Gravity ventilation: Provides passive, gravity-driven airflow out of the attic space.
- Two sizes: Available in 12 in. x 12 in. and 14 in. x 14 in. models.
- Mill finish: Offered in a mill metal finish.
- Screened opening: Features a 1/8 in. mesh screen to keep out debris and pests.
- Specialty vent: Categorized as a residential specialty roof vent.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Bay Cities Metal |
| Sell unit | 1 piece |
| Product line | Bay Cities Gravity Vent |
| Available sizes | 12 in. x 12 in. and 14 in. x 14 in. |
| Color / finish | Mill |
| Mesh opening | 1/8 in. |
| Category | Residential Roofing/Ventilation/Specialty Vents |
| Intended use | Passive gravity attic ventilation |
Coverage & How Much You Need:
One vent serves one vent opening; size the number of vents by your attic's net free ventilation requirement, balancing intake at the eaves with these gravity outlets near the ridge.
Fit and Compatibility:
Designed for residential roof ventilation systems; pair with matched intake venting so attic air pressure and airflow are balanced. Flashing requirements follow standard curb or deck-mount vent practice.
Frequently Asked Questions (FAQ):
Q: What sizes are available?
A: Two sizes are offered: 12 in. x 12 in. and 14 in. x 14 in.
Q: What finish does it come in?
A: Both sizes come in a mill finish.
Q: Does it have screening?
A: Yes, the vent features 1/8 in. mesh screening.
Q: How many do I need?
A: Base the quantity on your attic's net free ventilation area calculation, balanced with intake venting at the soffits.
Q: What is included per order?
A: One gravity vent piece per sell unit.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Gravity vents work best when intake ventilation at the eaves is adequate; without balanced intake, passive vents cannot move the air they are rated for. Space them evenly across the roof for uniform airflow, and seal and flash the curb carefully to keep the vent from becoming a leak point. On low-slope sections, follow the vent manufacturer's slope recommendations.
Install roof vents only with proper fall protection and roof-safe ladder practices.
Order Bay Cities Gravity Vents in mill finish to move attic air passively and reliably.
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