A freestanding room divider is a portable wind block solution. However, they’re often light, so they’re only suitable for blocking a light breeze.
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For best results, go with bushy plants, such as mini Cyprus trees, bamboo plants, or similar. Sparse plants really won’t do much as a balcony wind blocker.
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A windscreen is specifically designed to block the wind and allow you some privacy. If you want something that simply covers the rails, this may be what you need.
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Trellises are good for stopping debris from getting in your space because they can be as tall as you want.
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One of the most effective options is to install glass panels. However, it's not a renter friendly option, as they'll be permanently installed.
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These solutions should help you find the right wind blocker for your needs. Want to see more options? I have plenty more for you to see.
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