
GAF MasterFlow High-Capacity Dome Vent, Steel, Mill Finish, 144 Sq. In. NFVA
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:
| Specification | Details |
|---|---|
| Brand | GAF |
| Series | MasterFlow High-Capacity Dome Vent |
| Material | Steel |
| Finish/Color | Mill Finish |
| Net Free Vent Area (NFVA) | 144 sq. in. |
| Overall Height | 8 in. (203 mm) |
| Wind Resistance | 110 mph |
| Applicable Standards/Approvals | Miami-Dade County Approved; Texas Department of Insurance Evaluation - RV-38; Florida Product Approved |
| Style | Ventilation and Drainage |
| Unit of Measure | Each (EA) |
| Manufacturer Number | HCD114 MILL |
| Product Number | GAFHCD144ML |
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.
Original: $59.39
-70%$59.39
$17.82Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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:
| Specification | Details |
|---|---|
| Brand | GAF |
| Series | MasterFlow High-Capacity Dome Vent |
| Material | Steel |
| Finish/Color | Mill Finish |
| Net Free Vent Area (NFVA) | 144 sq. in. |
| Overall Height | 8 in. (203 mm) |
| Wind Resistance | 110 mph |
| Applicable Standards/Approvals | Miami-Dade County Approved; Texas Department of Insurance Evaluation - RV-38; Florida Product Approved |
| Style | Ventilation and Drainage |
| Unit of Measure | Each (EA) |
| Manufacturer Number | HCD114 MILL |
| Product Number | GAFHCD144ML |
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.






















