
GAF MasterFlow RV50G Galvanized Square-Top Metal Utility Vent with Round Throat, Black, 50 Sq. In. NFVA
MasterFlow RV50G Galvanized Square-Top Utility Vent
The GAF MasterFlow RV50G is a galvanized steel square-top roof louver with a round throat, ideal for bathroom fans, kitchen ducts, and general attic exhaust. It delivers 50 sq. in. of net free vent area and is approved for use on roof pitches 3:12 or greater.
Key Features:
- Durable Galvanized Construction: Metal housing withstands weather and resists corrosion for long service life.
- Utility Exhaust Versatility: Suitable for kitchen duct outlets, bathroom fan exhausts, and attic ventilation.
- Efficient Airflow: Provides 50 sq. in. Net Free Vent Area (NFVA) to help move air out of the home.
- Pitch Compatibility: Designed for roofs with 3:12 pitch or greater.
- Tested and Approved: Meets Texas Department of Insurance RV-38, CSA, Florida Building Code, and Miami-Dade approvals.
Specifications Table:
| Specification | Details |
|---|---|
| Series | RV50G |
| Color | Black |
| Material | Galvanized steel |
| Style | Square-top roof louver with round throat |
| Net Free Vent Area (NFVA) | 50 sq. in. |
| Allowable Roof Pitch | 3:12 or greater |
| Applicable Standards/Approvals | Texas Department of Insurance Evaluation RV-38; CSA Certified; Florida Building Code Approved; Miami-Dade County Approved |
| Item Weight | 2.6667 lb |
| Pieces per Carton | 12 |
| Manufacturer Number | RV50GBL |
| Product Number | GAFRV50GBL |
| Height | 4 in (102 mm) |
Frequently Asked Questions (FAQ):
Q: What roof pitches can this vent be installed on?
A: It is suitable for roofs with a pitch of 3:12 or greater.
Q: What is the net free vent area?
A: 50 square inches of NFVA.
Q: What applications is this vent designed for?
A: It’s designed for utility exhaust such as bathroom fans, kitchen ducts, and general attic ventilation.
Q: What material is the vent made from?
A: Galvanized steel for durability and corrosion resistance.
Q: Is it code approved?
A: Yes—Texas Department of Insurance RV-38, CSA certified, Florida Building Code approved, and Miami-Dade County approved.
A Clean, Crafted Capstone for Functional Venting
This square-top vent strikes a crisp, architectural note while quietly managing the movement of air. The galvanized finish lends an industrial refinement that complements modern and traditional roofs alike. Pair it with matte-black flashings and streamlined fixtures for a cohesive, elevated exterior palette. Consider it a polished essential—where purposeful engineering meets effortless curb appeal.
Upgrade your roof ventilation with the durable, code-approved MasterFlow RV50G and keep your home breathing easy.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
MasterFlow RV50G Galvanized Square-Top Utility Vent
The GAF MasterFlow RV50G is a galvanized steel square-top roof louver with a round throat, ideal for bathroom fans, kitchen ducts, and general attic exhaust. It delivers 50 sq. in. of net free vent area and is approved for use on roof pitches 3:12 or greater.
Key Features:
- Durable Galvanized Construction: Metal housing withstands weather and resists corrosion for long service life.
- Utility Exhaust Versatility: Suitable for kitchen duct outlets, bathroom fan exhausts, and attic ventilation.
- Efficient Airflow: Provides 50 sq. in. Net Free Vent Area (NFVA) to help move air out of the home.
- Pitch Compatibility: Designed for roofs with 3:12 pitch or greater.
- Tested and Approved: Meets Texas Department of Insurance RV-38, CSA, Florida Building Code, and Miami-Dade approvals.
Specifications Table:
| Specification | Details |
|---|---|
| Series | RV50G |
| Color | Black |
| Material | Galvanized steel |
| Style | Square-top roof louver with round throat |
| Net Free Vent Area (NFVA) | 50 sq. in. |
| Allowable Roof Pitch | 3:12 or greater |
| Applicable Standards/Approvals | Texas Department of Insurance Evaluation RV-38; CSA Certified; Florida Building Code Approved; Miami-Dade County Approved |
| Item Weight | 2.6667 lb |
| Pieces per Carton | 12 |
| Manufacturer Number | RV50GBL |
| Product Number | GAFRV50GBL |
| Height | 4 in (102 mm) |
Frequently Asked Questions (FAQ):
Q: What roof pitches can this vent be installed on?
A: It is suitable for roofs with a pitch of 3:12 or greater.
Q: What is the net free vent area?
A: 50 square inches of NFVA.
Q: What applications is this vent designed for?
A: It’s designed for utility exhaust such as bathroom fans, kitchen ducts, and general attic ventilation.
Q: What material is the vent made from?
A: Galvanized steel for durability and corrosion resistance.
Q: Is it code approved?
A: Yes—Texas Department of Insurance RV-38, CSA certified, Florida Building Code approved, and Miami-Dade County approved.
A Clean, Crafted Capstone for Functional Venting
This square-top vent strikes a crisp, architectural note while quietly managing the movement of air. The galvanized finish lends an industrial refinement that complements modern and traditional roofs alike. Pair it with matte-black flashings and streamlined fixtures for a cohesive, elevated exterior palette. Consider it a polished essential—where purposeful engineering meets effortless curb appeal.
Upgrade your roof ventilation with the durable, code-approved MasterFlow RV50G and keep your home breathing easy.






















