Operating Guide

20
21
Turbines
Wind Turbines
Master Flow
®
Wind Turbines
are the most advanced,
easy-to-install turbines for
roofing application. They’re
designed with upper and lower
stainless steel bearing systems for
years of trouble-free operation.
Contains Recycled Content
Contains Recycled Content
Solar-Powered
Solar-Powered
Ventilates without any
External Power Source
Ventilates without any
External Power Source
Contains Recycled Content
Contains Recycled Content
Solar-Powered
Solar-Powered
Ventilates without any
External Power Source
Ventilates without any
External Power Source
Contains Recycled Content Solar-Powered Ventilates without any
External Power Source
• Quiet and Durable... Exclusive stainless dual-bearing system for
durable, long-lasting, smooth, and quiet operation
• Super Leak Protection... Double-ribbed vanes, with convex top,
direct even wind-driven rain away from the unit
• Protects Your Investment... Allows heat and moisture-laden air to
escape your attic, helping to extend the life of your roof
• Versatile... Can be installed on virtually any roof, from 2:12
up to 12:12 pitch
• Peace Of Mind... Lifetime ltd. warranty backed by GAF,
North America’s largest roofing manufacturer*
• Energy Efficient... May even reduce your energy costs!
• Replacement Head... Fits most Master Flow
®
and other brands
of turbine bases
• Simple Adjustment... Bases adjustable for roof pitches up
to 12:12
• Safer... Weather caps can be used to replace turbine heads
during anticipated severe weather conditions
Externally & Internally Braced
Wind Turbines
Replacement Turbine Heads,
Bases & Weather Caps
Texas Department
of Insurance
RV-37 & RV-38
(GC12EF, GIC12,
AIC12 & AIC14 only)
Florida
Building Code
FL5027
(GC12EF only)
Adjustable Base
Weather Cap
Original Or Replacement Head
Externally Braced
Internally Braced
ASSEMBLY (HEAD & BASE)
• Simple, Mechanically Locked, 2-Piece Design... Allows for
faster, easier installation
BASE
• Pre-Punched Bottom And Crimped Collar... Fits tighter, makes
installation easier
• One-Piece Design... For easy adjustability up to 12:12 pitch
without removing turbine
• Extra-Large Flashing... For easier installation and superior
weather protection
HEAD
• Heavy-Duty Steel Spider Braces... For strength and durability
• Bottom Ring Included... For easier and faster installation on
base and superior weather protection
DUAL-BEARING SYSTEM
• Encased Design... Helps prevent dirt, dust, sand, and other
foreign materials from damaging the bearings, resulting in a
smoother spin
• Permanently Lubricated Track System... Ensures years of
trouble-free spinning
• Special Design Prevents Metal-To-Metal Contact... Results
in less friction for a truer, smoother spin and superior
wear resistance
Master Flow
®
Wind Turbines (Externally Braced & Internally Braced)
Master Flow
®
Wind Turbines Style & Color Availability
Replacement Turbine Heads, Bases & Weather Caps
PRODUCT SPECIFICATIONS & USAGE
RECOMMENDATIONS (Based on 1/300 Rule)
Total Attic
Square Footage
Recommended
Number Of Turbines
†
12" 14"
Minimum Intake
Ventilation
(Net Free Area In Sq. In.)
0-1000 2 2 240
1001-1500 2 2 360
1501-2000 3 2 480
2001-2500 4 3 600
2501-3000 4 3 720
3001-3500 5 4 840
Mil Black Weathered Wood Size Construction Bracing
AIC14 AIC14BL AIC14WW 14"
Aluminum Internal
GC12E – GC12EWW 12" Galvanized External
GC12EF – – 12" Galvanized External
GIC12 GIC12BL GIC12WW 12" Galvanized Internal
AIC12 – – 12" Aluminum Internal
Part Number Type Construction Bracing
GT12E Head
Galvanized
(Fits 12" Turbines;
1 Per Case)
External
SBX12 Base
Galvanized
(Fits 12" Turbines;
1 Per Case)
N/A
WC 12 Weather Cap
Galvanized
(Fits 12" Turbines;
15 Per Case)
N/A
†
Based on wind velocity of 8 mph.
(GC12EF only)
* See Master Flow
®
Ventilation Products Ltd. Warranty for complete coverage and restrictions. The word “Lifetime”
means as long as you, the original owner or the second owner, own the property where the Master Flow
®
Turbines are installed.
Note: Always have a balanced attic ventilation system. The amount of exhaust ventilation should NEVER exceed the amount of
intake ventilation.