Roofing material — Ondulin is very popular among Russians. Beautiful, wavy sheets call European slate. It has a lot of advantages. Ondulin is very light, so it is not difficult to raise it on the roof and attach it to the crate with self -tapping screws. This material is not afraid of fungus, bacteria, acids and alkalis. In the manufacture of ondulin, environmentally friendly materials are used that do not harm human health. Huge selection of colors and shades.