Lomanco® Model 550 Pro Exhaust Roof Louvers

The Lomanco® Model 550 Pro Exhaust Roof Louver is a high-performance, static vent designed to provide effective attic ventilation for residential roofing systems. With a slant-back, low-profile design and durable aluminum construction, the 550 Pro offers excellent airflow while maintaining a sleek, unobtrusive appearance. Engineered for maximum weather protection and long-term durability, it’s ideal for use in both new construction and reroofing projects.

Features & Benefits

Performance

• Slant-back louver design promotes efficient exhaust ventilation
  
• Improves attic airflow to reduce heat and moisture buildup, extending roof life

Design & Installation

• Low-profile design blends cleanly with rooflines
  
• Embossed aluminum construction enhances strength and paint adhesion
  
• Factory-fitted with a large flange for easy installation and secure sealing

Durability & Warranty

• Corrosion-resistant materials ensure long-term performance in all climates
  
• Backed by Lomanco’s Limited Lifetime Warranty