.Hello I am Tracy with the blog Modern Roofing Technologies. I have been working in the roofer field for nearly 10 years, I have been all over the globe in various areas. I worked my way upwards from roof laborer to foreman and also worked as a cost estimator and QAE. Presently, I act as a trainer in the roof industry and assist by training contractors on proper roofing methods and help control costs and overhead.