Sound insulation with acoustic panels - Concave offers a tailor-made solution for all spaces where sound is important. With 3D panels and a variety of colors, we're sure to have the perfect product for your needs! — Concave panels are 3D wall panels made of natural cork. They are designed to be a cost-effective DIY method for sound insulation. They create a beautiful, modern look for your living room, hobby room or any other room. — If you're looking for perfect sound insulation, then Concave is the perfect solution. It is beautiful and easy to assemble and can be used for everything from living rooms to offices. We offer three-dimensional wall panels that represent a modern interior design system.