When it comes to insulating, fixing, bonding or filling gaps and wholes on the building site PU foams come into play. With Ceresit's wide range of one component PU foams many neeeds of the professional craftsman or DIY-user can be served. Most commonly foams will be applied to fix windows and doors and at the same time serve as an excellent heat and noise insulator. Besides that Henkel has developed special products for glueing all sorts of materials on the building site, e.g. EPS boards.