225 ILCS 335/1

It is hereby declared to be the public policy of this State that, in order to safeguard the life, health, property, and public welfare of its citizens, the business of roofing construction, reconstruction, alteration, maintenance and repair is a matter affecting the public interest, and any person desiring to obtain a license to engage in the business as herein defined shall be required to establish the person's qualifications to be licensed as herein provided.