The Phonestar acoustic soundproofing system recently installed on dividing wall between two houses. Excellent at reducing unwanted airborne and impact noise.for ceilings ,parti walls and floors.The proven system reduces noise transmission by decoupling the wall or ceiling allowing the Phonestar product to be really effecient and effective.Avoid those sleepless nights forever.Checkout https://www.acaraconcepts.com/ for more informattion on the product.