Skip to content
Lomanco 550 Pro Static Roof Vent, 50 sq. in. NFA, Black, Aluminum
Regular price $23.95Orders start at $399 — combine any items to reach the minimum. Learn more
Lomanco 550 Pro Static Roof Vent, 50 sq. in. NFA, Black, Aluminum
The Lomanco 550 Pro is a black static exhaust roof vent rated at 50 sq. in. of net free area, built with an aluminum top and bottom and a one-piece molded plastic collar. Its bird-proof design, weather-tight seamed collar, high profile, and rolled flange on the vent stack deliver superior weather protection and circulation. Sold individually.
Key Features:
- 50 sq. in. NFA: Provides 50 square inches of net free area for attic exhaust ventilation.
- Aluminum construction: Aluminum top and bottom with a one-piece molded plastic collar for added protection.
- Bird-proof design: Includes an 8 x 8 perma-coated screen for added protection against birds and debris.
- Weather-tight collar: A weather-tight seamed collar helps keep water out of the vent stack.
- Rolled flange: High profile and rolled flange on the vent stack give superior weather protection and circulation.
- Black finish: Black finish blends with dark shingle roofs.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Lomanco |
| Sell unit | 1 vent |
| Product line | Lomanco 550 PRO Static Roof Vents |
| Available colors | Black |
| Material | Aluminum top and bottom with one-piece molded plastic collar |
| Finish / texture | Black |
| Coverage per unit | 50 sq. in. net free area (NFA) |
| Screen | 8 x 8 perma-coated screen |
| Intended use | Static exhaust ventilation for residential attic roof ventilation |
| Assembly | Installed over a roof opening with the flange integrated into the shingle course |
Coverage & How Much You Need:
Each vent provides 50 sq. in. of net free area. To size attic exhaust, divide your required NFA (commonly 1/150 or 1/300 of attic square footage per code and manufacturer guidance) by 50 and round up, then balance with intake ventilation.
Fit and Compatibility:
A standalone static exhaust vent for shingle-over residential roofs; works alongside ridge vents, soffit intake, and other Lomanco ventilation products. Roof flashing and fasteners per standard installation practice are not included.
Frequently Asked Questions (FAQ):
Q: What is included with the vent?
A: One black 550 PRO static roof vent with an 8 x 8 perma-coated screen; flashing materials and fasteners are per standard installation practice.
Q: How many vents do I need?
A: Divide your required exhaust NFA by 50 sq. in. per vent; many codes and guidelines use 1/150 or 1/300 of attic area depending on ventilation balance.
Q: Is it an intake or exhaust vent?
A: Lomanco static roof vents are exhaust vents by design, so pair them with adequate soffit or intake ventilation.
Q: What is it made of?
A: Aluminum top and bottom with a one-piece molded plastic collar, plus a perma-coated screen.
Q: Does it keep pests out?
A: Yes, the bird-proof design with the 8 x 8 perma-coated screen keeps birds and debris out of the vent stack.
Q: What color is it?
A: This model is finished in black.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
The 550 Pro is a solid choice for attics where ridge venting is impractical; keep exhaust vents high on the roof and maintain clear intake at the eaves so air moves properly. Calculate total NFA before buying so you neither under-ventilate nor over-cut the deck. Its aluminum body with the plastic collar and screen resists weather and pests season after season.
Take care cutting roof openings and use fall protection when installing roof vents; seal and flash the flange properly to prevent leaks.
Order the Lomanco 550 Pro black static roof vent and move stale attic air out efficiently.
All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.
