Roofing & Window Company in Lanham and Surrounding Central MD and Washington Metro. Quality solutions for all your exterior home improvement needs. If you're looking for help with your roofing or window project, know that Valor Exteriors is a local contractor who can help. Over the past 30 years, Valor Exteriors has grown from a small, family-owned business to a leading roofing and remodeling contractor in Central MD and Washington Metro, proudly serving Lanham, New Carrollton, Glenn Dale and many surrounding areas. When you work with Valor Exteriors, you are promised quality products and installation at a fair cost. Our installers are trained and experienced to ensure the best results. We partner with GAF and some of the other best manufacturers in the industry to bring you materials that are attractive, long-lasting and have the best warranties in the industry. We stand behind every warranty by allowing it to be transferred to the next homeowner should you decide to sell your home.