OWA have been developing, producing and marketing suspended ceiling tiles made from mineral wool and their grids and accessories for over 50 years. OWA provide our customers with complete ceilings that are adapted to the demanding usage requirements of their specific projects. These requirements particularly include room acoustics, appealing design and fire protection as well as hygiene, moisture resistance and air purity. Acoustic ceilings, fire protection ceilings, hygienic ceilings, design ceilings, metal ceilings