The only way to reduce the noise is to totally enclose the lanai with double or triple pane glass. I don't think there is any way to block the noise from the bird cage part, unless you install a glass ceiling on it. Noise travels in all directions, and it is virtually impossible to effectively block it with outside barriers. A thick, solid concrete barrier will reduce the noise a little, but shrubs or bushes will do nothing to block noise because sound travels through the air and the air gaps will allow the noise to flow right through any landscaping you install.
Last edited by retiredguy123; 05-09-2017 at 07:00 PM.
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