Estimates of average roof installation cost are made using the median home size in Neenah. Utlimately roofing costs depend on roof size, materials, cost of labor, and architecture style.(Image: https://i.ytimg.com/vi/dZCqr0Wk9gM/hq720.jpg) To get an accurate estimate of your individual home contact Infinity Exteriors or use our free roof cost calculator.(Image: https://i.ytimg.com/vi/dZCqr0Wk9gM/hq720.jpg) To check the validity of the licence number, contact the RBQ by phone or check the licence holders’ directory on the organization’s website. To work in Quebec, a roofer must have Licence 7.0, “Insulation, waterproofing, roofing and siding contractor,” or a 1.1.1, 1.1.2, 1.2 or 1.3 general building contractor licence.