How to choose the right brick?

Save on the purchase of this building material can be in early spring, during this period prices are falling. When acquiring, ask managers with quality certificates and other documents, if they are absent from the acquisition, it is better to refuse, based on the fact that it may well be that such a brick does not meet the quality standards that are presented in our country. According to the rules posed by such standards, it is divided into eight marks, it all depends on its strength — on M75 to M300.