Questions you should be asking on the initial visit or the return visit are: -How long has the company been in business and what is their level of experience. -Is the company covered by WSIB and are they insured. These are very important issues because if an accident happens on the jobsite (your property) during the installation you do not want to be the one to have to compensate for injuries and damage. -Will there always be a foreman onsite during the installation. - Once