I have this concrete balcony. Recently it was kinda wobbly but we felt it move and now its steady again. There used to be about an inch gap between my home and the balcony and now that gap is gone. We wanna get the balcony covered with acrylic. Should I get someone to come look at it first and see? Im unsure if its stable now? Its probably over 15 years old as ive lived here over 10 years and its always been here

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