After selecting several companies, at first glance, credible, need to go through their offices. Be interested in the cost of your desired material, delivery dates, providing the necessary quality certificates and other related documents. Find out about the possibility of roofing members of the firm, cost, turnaround time. Ask if the address is already completed roof, ask for phone numbers of clients. You may even show catalog of work performed. If the show you select from it the most liked you at home, write down their address. Pay attention to the attitude towards customers. Do you pay enough attention to listen to whether Your opinion and preference, or simply to impose their goods and services.
Perhaps at the same time in the office will be other customers, pay attention to the ratio of employees to them. After visiting all the companies that you chosen in the first stage, it's time to start to crawl made objects. Possible not only to inspect the roof, but also try to talk with owners. Ask them what the company carried out work, what kind of team, whether all were satisfied with the owners if they had received a written guarantee on material and work performed, how long the warranty. Learn as much as possible information. If all information matches with the one you gave at the office organization, it means that the firm is trustworthy, but if not identical - cross out, without thinking that firm from its list. Do not make conclusions on one house.
Perhaps at the same time in the office will be other customers, pay attention to the ratio of employees to them. After visiting all the companies that you chosen in the first stage, it's time to start to crawl made objects. Possible not only to inspect the roof, but also try to talk with owners. Ask them what the company carried out work, what kind of team, whether all were satisfied with the owners if they had received a written guarantee on material and work performed, how long the warranty. Learn as much as possible information. If all information matches with the one you gave at the office organization, it means that the firm is trustworthy, but if not identical - cross out, without thinking that firm from its list. Do not make conclusions on one house.