For overlapping the roof by ondulin, special skills and tools do not need special skills. These works can be performed by the owner of the house himself, having certain knowledge. In the process of roofing through ondulin, it is necessary to adhere to the same rules as in the case of slate. Its main difference from Ondulin is that the latter is able to bend a little. Due to this, it can be laid on flat roofs, and with a more complex configuration.