Description of the article:
However, any bitumen has some disadvantages. For example, over time, it acquires rigidity and fragility. This is a consequence of the gradual loss of light oil fractions. That is why when creating or repairing the waterproofing layer, experts recommend using bitumen mastic, and not bitumen in its pure form. It is good to use it if rolled materials, for example, roofing material are used to create a waterproofing layer. It is convenient to glue and glue stripes with mastic.