Front flange 4/12 Triangle Gable Vent Signature Series

What vent wall depth do you need for your 4/12 gable vent

Shop our selection of 4/12 triangle gable vents, attic vent louvers in the front flange triangle gable vent department, section at Onyx Xteriors.

So, what wall depth would you like your 4/12 triangle vent? We walk you through every 4/12 triangle vent option and choice to get you the correct aluminum gable vent. And you can call us with any questions.  Tell us the aluminum gable vent you are looking for and we will make it for you.

This category has all your front flange triangle vent options.  You just choose how deep you want the 4/12 triangle vent wall to be.  Aluminum gable vents have so many advantages and versatility.


The standard sizes for a 4/12 pitch triangle gable vent are as follows:

24" x 4" triangle vent on a 4/12 pitch for an extra small wall opening 2 foot base

36" x 6" triangle vent on a 4/12 pitch for a small gable wall 3 foot base bottom

48" x 8" triangle vent on a 4/12 pitch for an average small vent 4 foot base across

60" x 10" triangle vent on a 4/12 pitch for an average size vent 5 foot base length

72" x 12" triangle vent on a 4/12 pitch for a good size gable vent 6 foot base measure

84" x 14" triangle vent on a 4/12 pitch for good venting 7 foot base width

96" x 16" triangle vent on a 4/12 pitch for a large triangle vent 8 foot base across the bottom

108" x 18" triangle vent on a 4/12 pitch for greater venting 9 foot base or bottom

120" x 20" triangle vent on a 4/12 pitch for an extra large triangle gable vent 10 foot base wide