In addition to building material, there is a large selection of insulation materials. For example, very good materials are extruded isolation, which is the basis of thermoplastic or thermoreactive material. This material can be used when installing, for example, windows, mounting stairs or laying a roof, especially since the latter is represented by a large choice. Today, you can easily buy rolled, mastic, membrane, leaf and piece species. All these species have both the pluses and their disadvantages. It all depends on what exactly you need to roof.