
NorWesCo RVO38 Galvanized Roof Ventilator, 38 sq in NFA, Black or Brown
Regular price $28.75Orders start at $399 — combine any items to reach the minimum. Learn more
NorWesCo RVO38 Galvanized Roof Ventilator, 38 sq in NFA, Black or Brown
The Norwesco RVO38 is a galvanized metal static roof ventilator providing 38 square inches of net free attic area, available in Black or Brown. It features a one-piece base and top with an enclosed back to prevent leaks at vulnerable joints, plus a roll-lock seam collar and weather baffle. Sold individually, it suits repairs and home improvement projects.
Key Features:
- Leak-resistant design: One-piece base and one-piece top with an enclosed back ensure no leaks at vulnerable joints.
- Weather baffle: A specially designed weather baffle pulls air out of the attic.
- Roll-lock collar: Roll-lock seam collar secures the vent to the duct or opening.
- FHA mesh screen: Includes an 8 mesh screen meeting FHA requirements.
- Galvanized steel: Galvanized metal construction suits outdoor roof exposure.
- Two colors: Available in Black or Brown to match common roof finishes.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Norwesco |
| Sell unit | 1 ventilator (each) |
| Product line | Norwesco static roof ventilators |
| Available colors | Black; Brown |
| Available sizes | 38 sq in net free area |
| Material | Galvanized steel |
| Color / finish | Black or Brown |
| Dimensions | 38 sq in net free area (NFA) |
| Screen | 8 mesh screen, meets FHA requirements |
| Intended use | Attic ventilation for repairs and home improvement projects |
| Pack quantity | 1 per each |
Coverage & How Much You Need:
Each RVO38 ventilator provides 38 square inches of net free area. Divide your required total attic ventilation by 38 sq in per vent to determine how many units your roof needs, balanced with intake ventilation.
Fit and Compatibility:
A static roof vent intended for repair and improvement work on typical residential roofs. Roof flashing and fasteners as required by the roof system are handled at installation; no duct is included.
Frequently Asked Questions (FAQ):
Q: What is included?
A: One galvanized ventilator with an 8 mesh screen; it is sold individually (each).
Q: What colors are available?
A: Black and Brown.
Q: How is it sized?
A: It provides 38 square inches of net free attic area; divide your ventilation requirement by 38 to find the number of units needed.
Q: What prevents leaks?
A: A one-piece base and one-piece top with an enclosed back eliminate leaks at vulnerable joints.
Q: Does it meet FHA requirements?
A: Yes, the included 8 mesh screen meets FHA requirements.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Static ventilators like the RVO38 work best when paired with adequate intake venting at the soffit so air moves continuously through the attic. Choose Black or Brown to blend with your shingle color. Keep the weather baffle unobstructed and inspect the 8 mesh screen during installation to maintain its FHA-compliant airflow.
Follow roof-slope and fall-protection best practices when installing roof vents, and seal around the base per manufacturer or roofing system instructions to avoid leaks.
Get the Norwesco RVO38 galvanized roof ventilator in Black or Brown for your next attic ventilation job.
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