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:

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.