Insulating the roof of the house from the cashi An old roof insulation detailsMade by Al-Kashi and this is all the details of the water and thermal insulation from the German Hyper materials provided by our company. With the method of cleaning by cleaning stones and most importantly, the water pressure is 200 bar. Implementation of H-SB hyper materials and H-SW materials for thermal and water insulation with nanotechnology and fiber optics that bear very, very high water pressure and tension.