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GAF MasterFlow 12 in Galvanized Internally-Braced Wind Turbine Roof Vent, Black
Regular price $127.00Orders start at $399 — combine any items to reach the minimum. Learn more
GAF MasterFlow 12 in Galvanized Internally-Braced Wind Turbine Roof Vent, Black
This is a GAF MasterFlow 12 in galvanized internally-braced wind turbine vent in black, with a stainless dual-bearing system that spins with the wind to pull heat and moisture out of the attic. Sold individually, rated for roof pitches 2:12 to 12:12. Works with any GAF Lifetime shingle system.
Key Features:
- Wind-powered venting: Stainless dual-bearing turbine uses wind to pull heat and moisture-laden air from the attic.
- Galvanized build: Manufactured with durable galvanized construction.
- Rain-shedding design: Double-ribbed vanes with a convex top direct wind-driven rain away from the unit.
- Extends roof life: 12 in size vents attic heat and moisture, which can help extend roof life.
- Black finish: Black finish blends with dark shingle roofs.
- Internal bracing: Internally-braced design for a cleaner look and sturdy rotation.
- Code approved: Florida Building Code and Miami-Dade County Approved; TDI RV-38.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | GAF |
| Manufacturer model | GIC12BL |
| Sell unit | 1 turbine vent |
| Product line | MasterFlow Galvanized Wind Turbines - Internally-Braced |
| Profile / style | Internally-braced wind turbine |
| Color | Black |
| Dimensions | 12 in (305 mm) diameter |
| Material | Galvanized steel |
| Finish / texture | Black |
| Allowable roof pitch | 2:12 to 12:12 |
| Weight | 9.2 lb |
| Approvals | Florida Building Code Approved; Miami-Dade County Approved; Texas Department of Insurance - RV-38 |
| Intended use | Attic exhaust ventilation on residential roofs |
| Manufacturer warranty summary | Master Flow Ventilation Products Limited Warranty (Lifetime coverage on single-family detached residences as defined; 40 years for other owners/buildings) |
Fit and Compatibility:
Pairs with any GAF Lifetime Shingle; installing at least three qualifying GAF accessories with Lifetime shingles qualifies the roof for the GAF Lifetime limited shingle and accessory warranty. Install within the stated 2:12 to 12:12 pitch range following GAF installation instructions.
Frequently Asked Questions (FAQ):
Q: What is included?
A: One 12 in black galvanized internally-braced MasterFlow wind turbine vent, weighing about 9.2 lb.
Q: How does it work?
A: Wind spins the turbine on a stainless dual-bearing system, pulling heat and moisture-laden air out of the attic.
Q: What roof pitches does it fit?
A: It is approved for roof pitches from 2:12 to 12:12.
Q: Will rain get in?
A: Double-ribbed vanes with a convex top direct wind-driven rain away from the unit.
Q: How do I ventilate properly?
A: Match turbine exhaust with adequate intake ventilation at the eaves, and follow GAF's installation instructions and local code.
Q: Is there a warranty?
A: It carries the Master Flow Ventilation Products Limited Warranty; see GAF's document for full coverage and restrictions.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Mount the turbine near the ridge on the high side of the roof, keep the unit level so the bearings spin freely, and pair it with balanced soffit intake so the turbine actually pulls air through the attic. One 12 in turbine suits small attic sections; larger attics may need multiple units or ridge venting. Choose galvanized over plastic where durability and code approvals like Miami-Dade matter.
Roof vent installation involves work at height and roof penetrations: use fall protection, follow GAF installation instructions and local code, and seal the curb/flashing properly to prevent leaks.
Add the GAF MasterFlow 12 in black galvanized wind turbine vent to pull heat and moisture from your attic.
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