Back Flange Octagon Contractor Grade Louvered Gable Vents

Choose the size octagon back flange contractors grade square gable vent you need.

octagon Louvered Vent with Front Flange CG 10 Pack 14 x 24 x 1 octagon Louvered Vent with Front Flange CG
18 x 18 x 1 Octagon Louvered Vent with Back Flange CG10 Pack 18 x 18 x 1 Octagon Louvered Vent with Back Flange CG

18" x 18" Octagon Louvered Gable Vent

size: 18" width x 18" height

overall size: 21" width x 21" height

Flange: back flange (1.5" nail flange)

18" x 18" Octagon Louvered Gable Vent

shape: octagon

quantity: 10 pack (you save $100.00)

Flange: back flange (1.5" nail flange)

octagon Louvered Vent with Front Flange CG 10 Pack 14 x 24 x 1 octagon Louvered Vent with Front Flange CG
20 x 20 x 1 Octagon Louvered Vent with Back Flange CG8 Pack 20 x 20 x 1 Octagon Louvered Vent with Back Flange CG

20" x 20" Octagon Louvered Gable Vent

size: 20" width x 20" height

overall size: 23" width x 23" height

Flange: back flange (1.5" nail flange)

20" x 20" Octagon Louvered Gable Vent

shape: octagon

quantity: 8 pack (you save $100.00)

Flange: back flange (1.5" nail flange)

octagon Louvered Vent with Front Flange CG 10 Pack 14 x 24 x 1 octagon Louvered Vent with Front Flange CG
22 x 22 x 1 Octagon Louvered Vent with Back Flange CG8 Pack 22 x 22 x 1 Octagon Louvered Vent with Back Flange CG

22" x 22" Octagon Louvered Gable Vent

size: 22" width x 22" height

overall size: 25" width x 25" height

Flange: back flange (1.5" nail flange)

22" x 22" Octagon Louvered Gable Vent

shape: octagon

quantity: 8 pack (you save $100.00)

Flange: back flange (1.5" nail flange)

octagon Louvered Vent with Front Flange CG 10 Pack 14 x 24 x 1 octagon Louvered Vent with Front Flange CG
24 x 24 x 1 Octagon Louvered Vent with Back Flange CG6 Pack 24 x 24 x 1 Octagon Louvered Vent with Back Flange CG

24" x 24" Octagon Louvered Gable Vent

size: 24" width x 24" height

overall size: 27" width x 27" height

Flange: back flange (1.5" nail flange)

24" x 24" Octagon Louvered Gable Vent

shape: octagon

quantity: 6 pack (you save $100.00)

Flange: back flange (1.5" nail flange)

octagon Louvered Vent with Front Flange CG 10 Pack 14 x 24 x 1 octagon Louvered Vent with Front Flange CG
27 x 27 x 1 Octagon Louvered Vent with Back Flange CG6 Pack 27 x 27 x 1 Octagon Louvered Vent with Back Flange CG

27" x 27" Octagon Louvered Gable Vent

size: 27" width x 27" height

overall size: 30" width x 30" height

Flange: back flange (1.5" nail flange)

27" x 27" Octagon Louvered Gable Vent

shape: octagon

quantity: 6 pack (you save $100.00)

Flange: back flange (1.5" nail flange)

octagon Louvered Vent with Front Flange CG 10 Pack 14 x 24 x 1 octagon Louvered Vent with Front Flange CG
30 x 30 x 1 Octagon Louvered Vent with Back Flange CG6 Pack 30 x 30 x 1 Octagon Louvered Vent with Back Flange CG

30" x 30" Octagon Louvered Gable Vent

size: 30" width x 30" height

overall size: 33" width x 33" height

Flange: back flange (1.5" nail flange)

30" x 30" Octagon Louvered Gable Vent

shape: octagon

quantity: 6 pack (you save $100.00)

Flange: back flange (1.5" nail flange)

These back flange octagon contractor grade gable vents are a simple gable vent, yet they are still real gable vents.  With individual louvers instead of being stamped or pressed, these octagon back flange economy gable vents are ideal if you just need a cheap gable vent.  

The louvers have only a single hem on the front.  This limits the size of these back flange octagon contractor grade gable vents.  But it allows you to save money on your gable vent.  And save even more when you buy a contractor pack.

These are excellent if you are looking for a octagon back flange cheap square gable vent.  The louvers being real louvers, these square gable vents will last many years in comparison to others.  

So, what decides the back flange octagon contractor grade gable vent grade you choose?  Sometimes the job just calls for an inexpensive gable vent.  If the square opening is small enough so the louvers are not over weighed with the pressure of gravity to buckle under their own weight.   Then, a small cheap square vent can be beneficial.  But a larger octagon back flange  opening can require a better gable vent.  We offer heavier duty octagon back flange gable vents too.  They do cost more, but they are designed to last and not fold under normal circumstances.  

Octagon back flange  gable vents have the best airflow of all the louvered vent shapes except for the triangle.  

These back flange octagon contractor grade gable vents are designed to be light weight and can be installed on surfaces that cannot handle a lot of weight.  They can be installed on a thin wall or even a door.  Louvered wall vents should be light weight if the framing is sparse.  In the case of using the octagon back flange louvered vent on a door, the door is almost always a light load item.  

Construction back flange octagon contractor grade gable vents are of a construction grade or sometimes a lower grade to cut costs.  The final price of a job is determined by how much can be saved on labor and material.  Construction octagon back flange vents come with a standard nail fin and primed white.

If all you need is a white octagon back flange gable vent, then you don't have to paint these as they are already white in color.