Transition Roofing Specializing in high quality and energy efficient residential and commercial roofing Solutions. Transition Roofing is an Austin based Roofing Contractor. Composition shingles, wood shake, tile, aluminum, standing seam TPO, PVC, EPDM are just a few of the steep slope and low slope products we use. Transition Roofing has followed these principles from inception, the results of following these guidelines can be seen in the success of every job we have completed. We will continue to be an industry leader though continued education and innovation in service, workmanship and energy efficiency.