We stayed in a renovated 2-bedroom unit a few weeks ago, and we didn't hear any noise from other units in our building. In fact, one morning, we were coming down the stairs and were surprised to see a family with young kids coming out of the unit below us. I spoke to the mom and mentioned that we hadn't known anyone was in that villa since we hadn't't heard a sound. She said they had been worried about bothering us since one if the kids had a major melt down the night before. I assured her we hadn't heard a sound from them or anyone in the building. The new layer of cork must be working great.