Picture: biosughero.it Cavity walls This is the second of two reports on home insulation from Italy and Spain where the use of cork granules has been established for many years. In the UK, the Cork Federation would always recommend taking professional advice when installing insulation materials and to comply with local building regulations. Quick and non-invasive installation Cavity insulation can be done from inside or outside the building. One of the most appreciated features of insufflation is the speed of execution which makes it an ideal solution for those who want to improve the energy efficiency of their home without inconvenience and without having to interrupt normal household activities. Picture: coverd.it How is insufflation done? The process is very simple and can be completed in a few hours. Holes are made in the walls and, using a special machine, natural cork granules are blown in until the available space is completely filled. The intervention does not require...