Why choose CDA Roofing? For over 30 years, CDA has been committed to professionalism in the construction industry. We have been specializing in roof and siding replacements and repairs to customers all over Western Mass and Hartford. Our experienced, certified team of contractors are here to thoroughly inspect your home and provide you with high quality service! There are a number of reasons why you may need to repair your roof. The most common reasons are from wear and tear from weather elements including wind, rain and hail. Roof leaks or damaged shingles? Were on it!From initial installation to repairs, we do it all! We do all types of roofing, including rubber membrane and metal roofs, both residential and commercial industrial roofing.