Commercial Door Louvers

A door louver is a type of vent that is designed to mount in a commercial door. The door louver helps ventilate a room. This is very useful for electrical room doors or even store room doors, where ventilation is necessary.

Types of Door Louvers

Door louvers come in a variety of sizes and ratings. From fire rated door louvers to non fire rated door louvers. From 12" x 12" door louvers to 24" x 64" door louvers.

What Are The Common Door Louver Sizes

Door Louvers come in a variety of sizes. Depending on the amount of ventilation you need, or your preference, use the guide below to view the most common door louver sizes.

Door Louver Common Sizes:
12" x 12" Louver
Door Cutout: 12" x 12"
Order Size: 12" x 12"

18" x 12" Louver
Door Cutout: 18" x 12"
Order Size: 18" x 12"

24" x 12" Louver
Door Cutout: 24" x 12"
Order Size: 24" x 12"

24" x 18" Louver
Door Cutout: 24" x 18"
Order Size: 24" x 18"

24" x 24" Louver
Door Cutout: 24" x 24"
Order Size: 24" x 24"

24" x 64" Louver
Door Cutout: 24" x 64"
Order Size: 24" x 64"

How To Measure Your Door Louver In a Hollow Metal or Commercial Wood Door

Door louvers are a great addition to any commercial door and are quite easy to measure for new installation or replacement.

For New Installation
1. First determine from the chart below what size door louver you wish to have on your door. Below the chart shows the most common door louver sizes.

2. The rough opening door cutout will be the same as the order size. For example, if you want a 12" x 12" door louver, then the door cut out required would be 12" x 12".



For Replacing An Existing Louver
1. The most accurate method, would be to disassemble the existing louver and measure the door cut out. The approximate door cut out will be the order size of the louver.

How To Install A Door Louver

1. Cut out the door according to the manufacturer's proper procedure.
2. Carefully place the outside portion of the door louver frame into the door cut out.
3. Carefully place the inner portion of the door louver kit into the door. Start all screws.
4. When tightening screws follow a criss-cross pattern. This will ensure even tension across the entire vision lite frame.