A material as

Material such as Ondulin is produced by saturation of organic -type fibers with high quality bitumen, it is first necessary to create high pressure and temperature conditions. An important feature of Ondulin is that it does not contain such a material as asbestos, which is quite harmful to human health. Ondulin is very resistant to the impact of the decay process, as well as the negative effects of active chemicals. He perfectly withstands significant temperatures and even low temperatures.