
GAF MasterFlow Roof-Mounted Power Attic Vent, 1,000 CFM, Black
MasterFlow 1,000 CFM Roof Power Attic Vent
The GAF MasterFlow roof-mounted power attic vent helps reduce heat and moisture buildup with a 1,000 CFM airflow and an integrated thermostat. Engineered for durability and approved for use across multiple building codes, it’s designed for efficient attic ventilation on roof pitches from 2:12 to 12:12.
Key Features:
- High Airflow Performance: 1,000 CFM to effectively move hot, humid air out of the attic
- Thermostat-Controlled Operation: Automatically turns on to regulate attic temperature
- Wide Roof Pitch Compatibility: Install on roofs from 2:12 to 12:12
- Code-Compliant Durability: Miami-Dade, Texas Dept. of Insurance, and Florida Building Code approvals
- Built to Last: Backed by a 5-year limited warranty
Specifications Table:
| Specification | Details |
|---|---|
| Airflow | 1,000 CFM |
| Color | Black |
| Item Weight | 19 lb |
| Height | 9" (229 mm) |
| Roof Pitch Range | 2:12 to 12:12 |
| Approvals | Miami-Dade Product Control Approval; Texas Department of Insurance; Florida Building Code Approval |
| Warranty | 5-Year Limited Warranty |
| Product Name | MasterFlow Roof-Mounted Power Attic Vent |
| Brand | GAF |
| SKU | 586945 |
| Manufacturer Number | 18ERV04BL |
| Product Number | GAFERV4BL |
Frequently Asked Questions (FAQ):
Q: Does this vent include a thermostat?
A: Yes, it features an integrated thermostat for automatic operation.
Q: What roof pitches are compatible?
A: It is approved for roof pitches from 2:12 to 12:12.
Q: Is this product code approved?
A: Yes—Miami-Dade Product Control, Texas Department of Insurance, and Florida Building Code approvals.
Q: What is the airflow rating?
A: 1,000 CFM.
Q: What warranty is included?
A: A 5-year limited warranty.
Streamlined Power for Cooler, Drier Attics
This roof-mounted vent introduces a clean, modern silhouette that quietly elevates the home’s performance. The thermostat-driven power delivers a cooler, drier attic—protecting finishes and extending the life of the roof. Pair its sleek black profile with dark shingles for a cohesive, architectural look. It’s a smart, polished essential for luxurious, well-ventilated living.
Choose MasterFlow for powerful, code-approved attic ventilation that protects your home and enhances comfort.
Original: $108.89
-70%$108.89
$32.67Product Information
Product Information
Shipping & Returns
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Description
MasterFlow 1,000 CFM Roof Power Attic Vent
The GAF MasterFlow roof-mounted power attic vent helps reduce heat and moisture buildup with a 1,000 CFM airflow and an integrated thermostat. Engineered for durability and approved for use across multiple building codes, it’s designed for efficient attic ventilation on roof pitches from 2:12 to 12:12.
Key Features:
- High Airflow Performance: 1,000 CFM to effectively move hot, humid air out of the attic
- Thermostat-Controlled Operation: Automatically turns on to regulate attic temperature
- Wide Roof Pitch Compatibility: Install on roofs from 2:12 to 12:12
- Code-Compliant Durability: Miami-Dade, Texas Dept. of Insurance, and Florida Building Code approvals
- Built to Last: Backed by a 5-year limited warranty
Specifications Table:
| Specification | Details |
|---|---|
| Airflow | 1,000 CFM |
| Color | Black |
| Item Weight | 19 lb |
| Height | 9" (229 mm) |
| Roof Pitch Range | 2:12 to 12:12 |
| Approvals | Miami-Dade Product Control Approval; Texas Department of Insurance; Florida Building Code Approval |
| Warranty | 5-Year Limited Warranty |
| Product Name | MasterFlow Roof-Mounted Power Attic Vent |
| Brand | GAF |
| SKU | 586945 |
| Manufacturer Number | 18ERV04BL |
| Product Number | GAFERV4BL |
Frequently Asked Questions (FAQ):
Q: Does this vent include a thermostat?
A: Yes, it features an integrated thermostat for automatic operation.
Q: What roof pitches are compatible?
A: It is approved for roof pitches from 2:12 to 12:12.
Q: Is this product code approved?
A: Yes—Miami-Dade Product Control, Texas Department of Insurance, and Florida Building Code approvals.
Q: What is the airflow rating?
A: 1,000 CFM.
Q: What warranty is included?
A: A 5-year limited warranty.
Streamlined Power for Cooler, Drier Attics
This roof-mounted vent introduces a clean, modern silhouette that quietly elevates the home’s performance. The thermostat-driven power delivers a cooler, drier attic—protecting finishes and extending the life of the roof. Pair its sleek black profile with dark shingles for a cohesive, architectural look. It’s a smart, polished essential for luxurious, well-ventilated living.
Choose MasterFlow for powerful, code-approved attic ventilation that protects your home and enhances comfort.






















