I can't say anything about the quality of the material and the work, because it never came to them. When trying to order windows into the corridor of a two-storey apartment, I did not wait for a call or the arrival of a measurer. On the second and third days of waiting, I came to the office, where it began: "The measurer's car broke down," "We are looking for a stepladder," "I am not Carlson," and the like. That is, in case of any technical difficulty (the upper window is at a height of about 4 m), the staff falls into a stupor and stupidly does not get in touch. I canceled the order, but lost three days waiting for the measurer. Failed