ASAP Roofing & Exteriors ASAP General Contractors is a company with more than 8 years experience in the construction industry. Most recently, we have specialized in TPO flat roofs and also shingled roofs in the DC and Maryland area. We believe that our specialization in roofing work is important, since it permits us to provide a higher level of service given our expertise with specific types of roofing. We take our work seriously and work professionally. We are well aware that we repair and install one of the most important structures in the building trade. We are dedicated professionals and working hard for our customers at all times is our goal. We believe that we have acquired valuable knowledge and skills as roofers that for us is a science as well as an art skill that we enjoy every day we work in this great country.