Within this section you have access to Optima IWI Calculator, and videos to help you work with Isover products. There is also an extensive FAQ section for you to review, plus an overview of available training from Isover, and Robust Details. dBstation dBstation from Isover is a great tool to find out more about our acoustic products and solutions and how they can be used to improve comfort for home owners. Optima IWI System Calculator The Optima IWI System Calculator provides an estimate for the amount of components you need for your Internal Wall Insulation project. Videos Informational videos about Isover products and systems. FAQ View our list of frequently asked questions, and refine the results by the category you require. Building Regulations This section gives an overview of some of the important regulations provided for structural and technical buildings, plus details of Isover Proprietary Robust Details.