About Master Flow™ Roof Louver IR61 Low-Profile Plastic Slant‑Back

This low-profile plastic slant-back roof vent is manufactured with UV-resistant polymer to help maintain its color.  Its low-profile design provides a sleek finished look while delivering 37 sq. in. (23,871 mm2) of Net Free Area to help exhaust heat and moisture from the attic.  Available in four popular colors.


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

Features & Benefits

Eligible accessory product in the Attic Ventilation Category of GAF Residential Enhanced and WindProven™ Limited Warranties*

*15-year WindProven™ Limited Wind Warranty covers GAF Shingles with LayerLock® Technology only and requires the use of GAF Starter Strips, Roof Deck Protection, Ridge Cap Shingles, and Leak Barrier or Attic Ventilation. See GAF Roofing System Limited Warranty for complete coverage and restrictions. Visit gaf.com/LRS for qualifying GAF products. For installations not eligible for the WindProven Limited Wind Warranty, see GAF Shingleand Accessory Limited Warranty, Master Flow™Ventilation Products Limited Warranty,or Master Flow™ Powered Ventilation Products Limited Warranty (depending on product) for complete coverage and restrictions.

Product Documentation

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