You was concrete floor. Served it to you so to speak faithfully enough long, eg, several months. Here suddenly it breaks. what to do in this case? This issue will devoted article.
If you still decided own repair, then the first thing must get info how practice mending concrete floor. For it there meaning use mail.ru or yahoo, or come on appropriate forum.
Hope you do not vain spent its time and this article least little may help you solve this question. The next time I will tell how fix tank or printer hp.