Product Brochure

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• Simple Adjustment... Bases adjustable for roof pitches 2:12
to 12:12
• Protects... Weather caps can be used to replace turbine heads
during anticipated severe weather conditions
Replacement Wind Turbine
Adjustable Bases & Weather Caps
Replacement Wind Turbine Heads
Original or Replacement Head
ASSEMBLY (HEAD & BASE)
• Simple, Mechanically Locked, Two-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 2:12 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
INTERNAL 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
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Master Flow
®
Wind Turbines Style & Color Availability
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
Replacement Wind Turbine Heads Style & Color Availability
Mil Black Weathered Wood Size Construction Bracing
ATH12IMI – – 12"
Aluminum Internal
ATH14IMI ATH14IBL ATH14IWW 14" Aluminum Internal
GTH12IMI GTH12IBL GTH12IWW 12" Galvanized Internal
GT12E – GTH12EWW 12" Galvanized External
PRODUCT SPECIFICATIONS & USAGE
RECOMMENDATIONS (Based on the 1/300 Attic
Ventilation Rule)
Master Flow
®
Wind Turbines (Externally Braced & Internally Braced)
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
†
Based on wind velocity of 8 mph.
Replacement Wind Turbine Adjustable Bases & Weather Caps
Part Number Type Construction
SBX12 Adjustable Base
Galvanized
(Fits 12" Turbines;
1 Per Case)
WC 12 Weather Cap
Galvanized
(Fits 12" Turbines;
15 Per Case)
Note: Always have a balanced attic ventilation system. The amount of exhaust ventilation should NEVER exceed the amount
of intake ventilation.
Adjustable Base
Weather Cap
• Large Assortment... GAF offers a
broad line of replacement wind turbine
heads to fit most Master Flow
®
and other
popular brand wind turbine bases