About Master Flow™ Roof Louver RT65 Plastic Square‑Top
This plastic square-top utility vent is manufactured with UV-resistant polymer and includes pre-drilled nail holes for easy installation. Available in four popular colors, it provides 60 sq. in. (41,395 mm2) of NFA to help exhaust heat and moisture from the attic.
Note: Always have a balanced ventilation system. In no case should the amount of exhaust ventilation exceed the amount of intake ventilation.
Features & Benefits
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LARGE CAPACITY
Full 60 sq. in. (41,935 mm2) of net free ventilating area (NFA) per vent -
DURABLE CONSTRUCTION
Helps resist scratches and dents -
EASY TO INSTALL
Pre-drilled nail holes with extra-wide flashing area
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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MasterFlow® RoofLouver RT65 Plastic Square Top Installation Instructions TRILINGUAL - RESMF177
Installation Instructions and Guides
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Ridge cap shingles
The finishing touch that helps defend against leaks at the hips and ridges.
Rooftop accessories
Specialty roofing accessories designed to enhance the performance of your roofing system.
