Skip to content

Fabricated gravity ventilators to your metal roof and specs

Gravity Vents

No matter which type of metal roofing you have, we can fabricate a custom curb and ventilator to your exact needs.

Gravity Vents, image 1

Standard fabrication specifications

  • Heavy Duty ball bearings on sizes 16-48
  • Self lubricating nylon bearings on sizes 6-14
  • Double cap assures extra strength
  • Locked on rotor mechanism prevents loss or damage in high winds
  • Corrugated vanes provide more strength and stability
  • Lower bearings are oil impregnated sintered-type which assures quite operation
  • Sealed bearing housing excludes dust, grit and foreign matter and retains lubrication.
  • Mill finish zinc-aluminum construction on sizes 6-24, grey polyurethane coating on over G90, Galvanized Material on sizes 30-48
  • Pitch Corrected to provide a level top

We offer several styles of gravity vents to integrate into your buildings' ventilation requirements. Call us today to see how we can help you get the best venting system for your existing or new ventilation system.

Available Options

  • Model B Base
  • Model C Flat Collar Base
  • Unit Disc Damper
  • Bird screen
  • Insect Screen
  • Air Dry Enamel

Product Drawings

MODEL RR

Model RR Ventilator

Download PDF
MODEL RS

Model RS Ventilator

Download PDF
MODEL ST

Model ST Ventilator

Download PDF

Why Choose Us

35+ Years of Experience

Serving the Western US

10-Year Warranty

Aluminum Specialists

5.0
★★★★★Client reviews
The final result exceeded all my expectations. Professional, efficient, delivered on time.
Mark B.
The team's work was impeccable. I will not hesitate to hire them again.
Brian H.
The best decision I made for my construction project. The quality is exceptional.
James B.

Get a quote for Gravity Vents

No matter which type of metal roofing you have, we can fabricate to your exact needs. Get specifications, options and a fast quote.