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GAF MasterFlow Square-Top Aluminum Roof Louver R50A, 15 in., Mill Finish, 50 Sq. In. NFVA

GAF MasterFlow Square-Top Aluminum Roof Louver R50A, 15 in., Mill Finish, 50 Sq. In. NFVA

MasterFlow R50A Aluminum Roof Louver, Square-Top

Durable aluminum roof louver designed for utility and attic exhaust ventilation. The square-top, square-throat R50A provides 50 sq. in. of net free vent area and is suitable for roof pitches 3:12 or greater.


Key Features:

  • Aluminum Construction: Corrosion-resistant mill finish for long-lasting rooftop performance
  • Efficient Venting: 50 sq. in. Net Free Vent Area supports kitchen, bath, and attic exhaust needs
  • Square-Top Design: Low-profile cap with square throat helps shed weather while venting
  • Roof Pitch Compatibility: Rated for 3:12 or greater slopes for versatile installation
  • Certified Performance: Meets TDI RV-38, CSA, Florida Building Code, and Miami-Dade approvals

Specifications Table:

Specification Details
Manufacturer Model R50A
Brand GAF MasterFlow
Product Number GAFR50AMF
Base Material Aluminum
Finish/Color Mill Finish
Net Free Vent Area (NFVA) 50 sq. in.
Overall Dimension 15 in.
Height 4 in. (102 mm)
Allowable Roof Pitch 3:12 or greater
Style Square-top with square throat
Category Ventilation and Drainage
Applicable Standards/Approvals Texas Department of Insurance Evaluation RV-38; CSA Certified; Florida Building Code Approved; Miami-Dade County Approved
Applications Kitchen duct outlets, bathroom fan exhausts, attic exhaust ventilation

Frequently Asked Questions (FAQ):

Q: What roof pitches can this louver be installed on?
A: It is suitable for roof slopes of 3:12 or greater.


Q: What is the net free vent area (NFVA)?
A: 50 square inches of NFVA.


Q: Is the louver approved for use in high-wind regions?
A: Yes. It has Texas Department of Insurance Evaluation RV-38, Florida Building Code approval, Miami-Dade County approval, and is CSA certified.


Q: What materials is it made from?
A: Aluminum with a mill finish for corrosion resistance.


Q: What applications is it recommended for?
A: Utility vent for kitchen duct outlets, bathroom fan exhausts, and attic exhaust ventilation.


A Sleek, Architectural Cap for Clean Rooflines

The square-top silhouette lends a crisp, modern punctuation to the roof—quietly refined yet highly functional. Its mill-finish aluminum catches light with a soft sheen, harmonizing with both contemporary and classic exteriors. Use it to streamline visible exhaust points for kitchens and baths, keeping the roofscape cohesive and uncluttered. It’s a discreet essential that elevates performance and polish in one gesture.


Upgrade your roof ventilation with this durable, code-approved aluminum louver and enjoy reliable exhaust performance with a clean, modern profile.

$6.53

Original: $21.77

-70%
GAF MasterFlow Square-Top Aluminum Roof Louver R50A, 15 in., Mill Finish, 50 Sq. In. NFVA

$21.77

$6.53

Product Information

Shipping & Returns

Description

MasterFlow R50A Aluminum Roof Louver, Square-Top

Durable aluminum roof louver designed for utility and attic exhaust ventilation. The square-top, square-throat R50A provides 50 sq. in. of net free vent area and is suitable for roof pitches 3:12 or greater.


Key Features:

  • Aluminum Construction: Corrosion-resistant mill finish for long-lasting rooftop performance
  • Efficient Venting: 50 sq. in. Net Free Vent Area supports kitchen, bath, and attic exhaust needs
  • Square-Top Design: Low-profile cap with square throat helps shed weather while venting
  • Roof Pitch Compatibility: Rated for 3:12 or greater slopes for versatile installation
  • Certified Performance: Meets TDI RV-38, CSA, Florida Building Code, and Miami-Dade approvals

Specifications Table:

Specification Details
Manufacturer Model R50A
Brand GAF MasterFlow
Product Number GAFR50AMF
Base Material Aluminum
Finish/Color Mill Finish
Net Free Vent Area (NFVA) 50 sq. in.
Overall Dimension 15 in.
Height 4 in. (102 mm)
Allowable Roof Pitch 3:12 or greater
Style Square-top with square throat
Category Ventilation and Drainage
Applicable Standards/Approvals Texas Department of Insurance Evaluation RV-38; CSA Certified; Florida Building Code Approved; Miami-Dade County Approved
Applications Kitchen duct outlets, bathroom fan exhausts, attic exhaust ventilation

Frequently Asked Questions (FAQ):

Q: What roof pitches can this louver be installed on?
A: It is suitable for roof slopes of 3:12 or greater.


Q: What is the net free vent area (NFVA)?
A: 50 square inches of NFVA.


Q: Is the louver approved for use in high-wind regions?
A: Yes. It has Texas Department of Insurance Evaluation RV-38, Florida Building Code approval, Miami-Dade County approval, and is CSA certified.


Q: What materials is it made from?
A: Aluminum with a mill finish for corrosion resistance.


Q: What applications is it recommended for?
A: Utility vent for kitchen duct outlets, bathroom fan exhausts, and attic exhaust ventilation.


A Sleek, Architectural Cap for Clean Rooflines

The square-top silhouette lends a crisp, modern punctuation to the roof—quietly refined yet highly functional. Its mill-finish aluminum catches light with a soft sheen, harmonizing with both contemporary and classic exteriors. Use it to streamline visible exhaust points for kitchens and baths, keeping the roofscape cohesive and uncluttered. It’s a discreet essential that elevates performance and polish in one gesture.


Upgrade your roof ventilation with this durable, code-approved aluminum louver and enjoy reliable exhaust performance with a clean, modern profile.

GAF MasterFlow Square-Top Aluminum Roof Louver R50A, 15 in., Mill Finish, 50 Sq. In. NFVA | Super Arbor