Master Flow® Roof Louver RT65 ‑ Plastic Square‑Top Specs
Master Flow® Roof Louver RT65 ‑ Plastic Square‑Top Docs
Master Flow® Roof Louver RT65 ‑ Plastic Square‑Top Videos
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.

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
Note: Always have a balanced ventilation system. In no case should the amount of exhaust ventilation exceed the amount of intake ventilation.
Get automatic Lifetime Protection on your entire GAF roofing system
When you install any GAF Lifetime Shingle and at least 3 qualifying GAF accessories, you'll automatically get a Lifetime limited warranty on your shingles and all qualifying GAF accessories*.
Where to buy
Find a GAF distributor near you.