Master Flow®

Slant-Back Plastic Roof Louver - IR61

Slant-back plastic roof louver that helps to exhaust heat and moisture from the attic
Slant-Back Plastic Roof Louver - IR61
Sleek Design
For better appearance
Good Ventilator
Full 37 sq. in. (23,871 mm2) of net free ventilating area (NFA) per vent
Easy To Install
Pre-drilled nail holes with extra-wide flashing area


Low-profile, slant-back resin construction looks great for years to come and provides 37 sq. in. of NFA to exhaust heat and moisture.

Note: Always have a balanced ventilation system. In no case should the amount of exhaust ventilation exceed the amount of intake ventilation.

Protect Your Investment

Find out about product warranties and options that may help protect your most valuable assets. 

  • Golden Pledge®
  • System Plus
  • 4yr. Ltd. Warranty
  • All-American Pledge Roof Guarantee

Product Properties

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