Bitumic mastic is applied to the roofing material with a frequency of 5 years, otherwise it becomes unusable, ceasing to fulfill its main function. The roof of tiles is updated in those places where the elements were damaged. Such elements are easy to replace with normal. Water can fall through the roof in the place where the chip pipe or television antenna passes. The protective cladding of the site will provide a normal drainage from these places. High -altitude work requires great attention, as they are associated with danger. The surface should only be dry. It is worth moving along the roof only with a staircase.
