I use it to the big sheet surfaces in my VW bus (T3) to insulate. The doors that powerful sound Daimler has become of the embarrassing "Ploing" when throwing. Top. Processing is easy, Bonds only after proper press, previously liable already, correction is possible. Product must not be applied over the entire surface, I still have left 2cm air to the edge. Little wallpaper seam roller and gloves are essential accessories, cut goes courage stable scissors or tin snips well. I will buy the product again, and also a friend.