Today, there are many ready -made arched openings with a variety of style in the construction markets, as a rule, their set includes four racks, two arches, panels and narrow or wide decorative locks, as well as various decorative elements can be attached to a set of goods. The vast majority of standard modular arches are made from the Ministry of Internal Affairs, and are intended for the openings for openings up to 233 cm high, from 82 cm wide to 155 cm with wall thickness from 5 cm to18.5 cm. See the prices of apartment renovation.