When faced with personalizing the dimensions of your window treatments, differentiating between the various choices of louvre sizes can feel confusing. Especially when you want to pick the right louvre size for your home! A louvre is a set of angled slats or strips that are fixed or hung in intervals in window shutters and blinds. Louvre sizes differ by blade width and come in 2.5, 3.5 and 4.5 inch sizes for vinyl shutters and 1.5, 2.5 and 3.5 inch sizes for wood shutters. The wider the louvre is, the greater the space between louvres will be when they’re fully opened.
For our vinyl shutters, louvres measuring 3.5 inches provide 56% greater visibility than their smaller 2.5 inch counterpart. Similarly, the 4.5 inch louvres provide a view that’s 108% more clear than the 2.5 inch louvres. The most popular louvre size for vinyl shutters is the medium size 3.5 inch louvre as they provide more light than the traditional looking 2.5 inch blade but also aren’t too big. In contrast, the large 4.5 inch louvre provides maximum light and a modern style that is well suited for bigger windows
Here’re a few images of the different louvre sizes:
Small: 2.5 inches
Windows with the small 2.5 inch louvre blade do not let in as much light like their larger counterparts do. Currently, the popular trend seems to be medium or large louvres that let in lots of light. So unless you’re trying to match some existing louvre sizes or going for a traditional feel, we suggest choosing a larger louvre.
Medium 3.5 inches
The medium 3.5 inch louvre is one of the most popular sizes as it suits most windows both small and large while also letting in plenty of light. Easier to clean than the smaller blades they provide a traditional/modern look.
Large 4.5 inches
Vinyl shutters with the large 4.5 inch louvres are fairly popular as they provide maximum light with an ultra-modern feel that also allows for a great view. They are well suited for larger sized windows and even patio doors.
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