What is the difference between the entrance to the apartment or house, from the entrance to the trade, administrative or office building? Someone will immediately say that absolutely nothing. Entrance and input. And it will be an erroneous opinion. There are differences. And they are quite significant. Someone will answer that only the differences are in the doorways, and partly will be right. Depending on the purpose, the openings are really different. Some have wide, while others are not very. But to say for sure that the home opening is different from the office opening, not everyone dares. Therefore, as even homemade, they can have quite wide dimensions, and office or trade, on the contrary, are narrow. But still the entrance doors will distinguish them. Whatever passage, the doors will always be different. Namely, canvases. And there can be several types. Most common in our apartments and houses, these are thyroid and phylene. In office, administrative and shopping centers, glasses of glass, as well as aluminum or polyvinyl chloride (PVC) profiles, prevail.














