Firestone system technology is energy efficient and backed by a 20 year warranty. JMS Roofing & Sheet Metal, Inc. started serving North & South Caroline. Over the years our wide range of commercial clients have included colleges, churches, restaurants and warehouses. When it comes to water intrusion, expect a lasting solution from our experienced team of problem solvers. Our hard earned excellent reputation coupled with our competitive pricing is why we have achieved success in the roofing business for over 27 years.