I live in a rental that is carpeted in both the bedroom and the living room. Underneath the carpet is just subflooring. Over the past 1.5-2 months, I’ve noticed that the there are sections of the floor that have “popped up.” When I walk over these spots (very noticeable in bare feet) it feels like sharp-ish points or mounds in some areas. What could be causing this? Could the nails holding down the floorboards have simply popped up and allowed the corresponding subfloor piece to do the same? Should I just break out a hammer and try to make these sections flush again? Or do I need to call the landlord and have him bring out a pro? (I prefer to do whatever I can myself so as to save my landlord $$$) Thanks in advance for your help!


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  1. I was afraid to just start hammering away if this is a symptom of a larger, more complex problem. I have a real fear of effing up the floor! Perhaps I’ll break out the hammer and mallet this afternoon and go for it.