Are your shingles cracking or crumbling? Are you sticking buckets under leaks? When the roof caves in, hire a trusted roofing contractor. A&R Roof Services +. LLC offers roof repairs, roof replacements and roof installations for residential and commercial clients. We also offer reroofing services. Our owner has been a reliable roofing contractor serving in a 30-mile radius from Laurel, MD. for over 22 years. He has the determination and know-how to deliver quality service every time.