In the case when double -glazed windows made of plastic, or wooden double -glazed windows have already been installed, then the work on the opening is still unfinished. To do this, you need to perform one operation — make slopes.
In the case when double -glazed windows made of plastic, or wooden double -glazed windows have already been installed, then the work on the opening is still unfinished. To do this, you need to perform one operation — make slopes.
