Shutter Louver Size

traditional shutter louvers

One of the most frequent questions I hear is, “Should I use larger or smaller shutters in my window?” My answer, “It depends…” First, for a customer interested in ordering traditional shutters, the louvers are only available in one size, 1-1/4″. Plantation shutters are available in multiple louver sizes. The smallest size typically offered is 1-7/8″, and the largest 5-1/2″. Then there are multiple sizes in between.

The largest louvers (4-1/5″ and larger) are generally reserved for exceptionally large windows. The smallest louvers (2-1/2) are often used on relatively small windows. The most commonly used size is either 3″ or 3-1/2″ plantation louver.

This is not to say that there are not exceptions. Small louvers can be used on large windows. However, it is important to not that the small the louver the greater number needed to fill the vertical space. More louvers causes more division. The wider the louvers the fewer that are necessary which results in a clearer view through the open louvers. The largest louvers really should not be used in short windows which results in only 2, 3, or 4 louvers which often looks odd.

interior custom shutter louvers

Another aspect that plays a large role in the louver size decision is window depth. A shallower window may not allow for larger louvers to rotate properly. The company from which you order shutters should provide detailed measuring instructions to help you determine which louver sizes are appropriate.

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