Lomanco 550 Pro-G Pan Style Roof Vent, 9 in., Galvanized Top and Bottom, Bronze/Mill/Brown

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Lomanco 550 Pro-G Pan Style Roof Vent, 9 in., Galvanized Top and Bottom, Bronze/Mill/Brown


The Lomanco 550 Pro-G is a pan style static exhaust roof vent with a galvanized top and bottom and a one piece molded plastic collar. It comes in a 9 in. size, sold one per unit, in bronze, mill, or brown. Like all Lomanco static vents, it works with intake vents for balanced attic ventilation.


Key Features:

  • Galvanized top/bottom: 550-PRO-G features galvanized top and bottom for durability.
  • Molded plastic collar: One piece molded plastic collar adds protection at the vent stack.
  • Weather protection flange: Flange on the vent stack provides superior weather protection.
  • Built-in screen: Includes an 8 x 8 perma-coated screen for added protection.
  • Three finishes: Available in bronze, mill, and brown.

Specifications Table:

Specification Details
Brand Lomanco
Sell unit 1 vent
Product line Lomanco Pan Style Static Vents
Series 550 Pro-G
Available colors Bronze, Mill, Brown
Available sizes 9 in.
Material Galvanized steel top and bottom with molded plastic collar
Screen 8 x 8 perma-coated screen
Design Pan style static exhaust vent
Intended use Attic exhaust ventilation

Coverage & How Much You Need:

Net free area for the 550 Pro-G is not stated in the sources. Size the vent count using Lomanco's published NFA for the 550 series and balance with intake venting at the eaves.

Fit and Compatibility:

Part of the Lomanco pan style series (550, 600, 135), which is available in aluminum finish; the Pro-G variant adds galvanized top and bottom with a molded plastic collar. Pair with lower-roof intake vents for a balanced system.


Frequently Asked Questions (FAQ):

Q: What makes the Pro-G different?
A: The 550-PRO-G has a one piece molded plastic collar for added protection plus galvanized top and bottom.


Q: What is included?
A: One 9 in. roof vent per unit, including the 8 x 8 perma-coated screen.


Q: What colors does it come in?
A: Bronze, mill, and brown.


Q: Is it an exhaust or intake vent?
A: It is a static exhaust vent and should be used with intake vents near the lower part of the attic.


Q: Does it keep pests out?
A: Yes, the vent includes an 8 x 8 perma-coated screen as part of its protective design.


Expert Verdict — Reviewed by the SuperArbor Pro Desk

The Pro-G's galvanized top and bottom and molded plastic collar make it a solid choice where extra collar protection is wanted on a pan style vent. Install with the stack flange properly shingle-lapped and sealed per the manufacturer's instructions. Choose mill for unpainted applications or bronze/brown to match darker shingles.

Take appropriate roof work safety precautions, including fall protection, when installing roof vents.


Order the Lomanco 550 Pro-G roof vent in bronze, mill, or brown for dependable static exhaust ventilation.

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All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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