Roof Vent Sealing Adapter Master Flash®

For roof vents with a Pre-Installed metal base for the Metal Roofing Industry

The RVA is made of EPDM rubber for maximum resistance to weathering due to zone and ultraviolet light.

The RVA opening is 11-3/4” X 11-3/4” (298 X 298mm) with the base measuring at 24” (609mm)

The overall height is 1/4” (6mm) with A flexible aluminum base that allows the flashing to conform to any panel configuration and most roof pitches regardless of vent location.

Call For Quote 800-927-4375

  • US Patent #10,161,135,B2
  • Applications: Turbine Vents Roof Exhaust Fans • Metal Roof Vents • Roof Caps • Goose Neck Air Vent
  • Specifically Designed for Roof Vents with a Pre-Installed Metal Base
  • Opening: 11-3/4” X 11-3/4” (298 X 298mm) 
  • Overall height: 1/4” (6mm)
  • Base: 24” (609mm)
  • Made of EPDM rubber compounded for maximum resistance to ultraviolet light and ozone corrosion.  

ADVANCED OZONE RESISTANCE tested to… EPDM 70 hour @ 500 pphm


Tested to

Intermittent +135°C (+275°F)

Continuous +100°C (+212°F)

LOW-TEMPERATURE RESISTANCE tested to… – 55°C (-67°F)