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Cedar Attic Vents, Cedar Gable Vents and Decorative Shutters
Cedar Attic Vents provides Attic Ventilation naturally

Round Gable Vents, Half Round Gable Vents

Round or Circle Vents add a distinctive elegant touch and also provide the benefits of a Square or Rectangle Vent as they are easy to install and remove the necessity of carefully calculating roof pitch.
Cedar Circle Gable End Vent
Cedar Half Circle Gable End Vent
Click Image to Enlarge

Stock Half Round

Gable Vent

Sizes

      **Note: Boxed Inserts are custom made and require build time
Custom Sizes here
Add Keystones - price is for each Keystone. If you order <4 please specify where you want them installed using the clock positions (12, 3, 6, 9 o'clock) if you order 4 we will assume they will be placed as in the image to the left.
Half Round with "Wagon Wheel or "Spoke" Design
Half Round "Sunburst" or "Fan" Design
The actual height of a Half Circle is an additional ¾" so that an 18" wide is actually 9¾" high.

Custom Half Round Gable Vents

(Require Build Time)
 
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Custom Round Gable Vents

(Require Build Time)
 
Need something else? Go to our
Custom Vents page
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Need something else? Go to our
Custom Vents page
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Delivered Fully Assembled direct to your door
Fully Finished Ready for your choice of paint, stain or clear coat
Includes Glass Fiber Insect Screen
Made of Western Red Cedar from British Columbia, Canada
Surface Mount for Easy Installation or with an Insert Box
Custom Sizes and Options available
 
Resources
Dimensions
Vent Sizes are
OUTSIDE measurements.
A 12"x18" Rectangle has a Real Vent Area of 9"x15".
Need a Different Size?
Custom Sizes are also available check our
Custom Vents page for information.
Home > Cedar Gable Vents > Round Vents

Stock Round Gable Vent Sizes

            **Note: Boxed Inserts are custom made and require build time
Custom Sizes here
Select Currency
Diameter (inches)Surface Mount Net Vent AreaSurface Mount $Boxed Insert $** QuantityOrder
12.0028.3074.8883.41
18.0078.5091.13103.93
24.00153.90101.53118.59
Base (inches)Surface Mount Net Vent AreaSurface Mount $Boxed Insert $** QuantityOrder
18.0039.3069.4579.58
24.0077.0081.0594.66
36.00190.10105.85125.57
PriceQuantityOrder
17.68
Diameter (inches)Surface Mount Net Vent AreaSurface Mount $Boxed Insert $QuantityOrder
10.0017.1077.2283.59
14.0042.2093.11102.07
16.0059.00103.04113.44
20.00100.90126.86139.86
22.00126.00140.76154.92
26.00184.70172.52189.28
28.00218.20190.39208.59
28.50227.00195.07213.56
29.00236.00199.82218.60
29.50245.10204.66223.73
30.00254.50209.59228.95
32.00293.60230.09250.61
36.00380.10275.11298.23
38.00427.60299.59324.15
40.00477.90325.39351.11
42.00530.90352.52379.69
44.00586.80380.98409.30
46.00645.40410.76440.53
48.00706.90441.87472.79
DecorativeBase (inches)Height (inches)Surface Mount Net Vent AreaSurface Mount $Boxed Insert $QuantityOrder
12.006.7514.1074.9881.05
Sunburst18.009.7539.30185.68194.64
20.0010.7550.40100.39110.21
22.0011.7563.00108.74119.72
Sunburst24.0012.7577.00235.70247.55
Spoke24.0012.7577.00227.06238.90
26.0013.7592.30127.79140.51
28.0014.75109.10138.50152.38
30.0015.75127.20150.03164.76
Sunburst30.0015.75127.20300.03314.77
Sunburst36.0018.75190.10378.64396.27
42.0021.75265.50235.78256.30
48.0024.75353.40289.38312.79
Sunburst48.0024.75353.40578.76602.16
60.0030.75567.10454.44483.63
Sunburst60.0030.75567.10836.07865.25
66.0033.75692.70529.49561.56
72.0036.75831.00611.67646.64
18.0018.0039.3098.1698.16
21.0021.0056.5099.3699.36
Circle or Round with Keystones
Half Circle Sunburst Gable Vent
Half Circle Spoke Gable Vent

The actual height of a Half Circle is an additional ¾" so that an 18" wide is actually 9¾" high.  An Ellipse will have a height other than those proportions.
Vent Information Calculating Vent Area Installing Vents Calculating Pitch Shipping
 
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