High-capacity steel roof dome vent

The GAF MasterFlow High-Capacity Dome Vent delivers powerful attic exhaust for homes with little or no ridge ventilation. Constructed of durable steel with a mill finish, it provides 144 sq. in. of net free vent area and is engineered for high-wind performance.

Key Features:

• High Ventilation Capacity: 144 sq. in. net free vent area moves more hot, moist air out of the attic
• Durable Construction: Steel body with mill finish stands up to the elements
• Wind-Resistant Design: Rated to withstand winds up to 110 mph
• Code Approvals: Miami-Dade, Florida Product Approval, and Texas Department of Insurance RV-38
• Low-Profile Height: 8 in. overall height for a clean roofline

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What roof types is this vent suited for?
A: Ideal for roofs requiring significant exhaust ventilation, particularly homes with little or no ridge venting.

Q: What is the net free vent area (NFVA)?
A: 144 square inches.

Q: Is it approved for high-wind regions?
A: Yes. It has Miami-Dade, Florida Product Approval, and Texas Department of Insurance RV-38 approvals and a 110 mph wind resistance rating.

Q: What is the material and finish?
A: Steel construction with a mill finish.

Q: How tall is the vent?
A: 8 inches (203 mm) overall height.

Powerful Venting with Streamlined, Architectural Simplicity

This dome vent brings a confident, industrial polish to the roofline while quietly elevating home comfort. I love its clean mill finish and sturdy steel form—functional yet refined. Pair it with a monochrome architectural shingle palette for a cohesive, modern silhouette. For a luxurious home that feels cooler and drier year-round, this is an understated essential.

Upgrade your attic ventilation with this high-capacity, code-approved dome vent for cooler, drier, and more efficient living.