Manchester’s Certified Commercial Roofing Contractor
We’re proud of our qualifications as one of the leading commercial roofing companies in the area. Whether you need a professional check of your roof after a storm hits or you’re ready for a new roof installation, A1 Siding & Roofing is the contractor to rely on. With over 40 years in business, you can count on our expert service and outstanding results. Contact us today!

Our Commercial Roofing Services
- Roofing Repair & Replacement – Is your roofing system aging or severely damaged by weather? Rely on our team to diagnose any issues and restore your roof back to proper working order. We’ll help you determine whether you need repairs or a complete replacement.
- New Roof Installation – Our team of commercial roofers is available to complete all new construction commercial roofing projects. We install everything from flat roofs to custom roofs.
- Roof Maintenance Plans – We recommend signing up for a routine maintenance plan. Your roof is sure to suffer wear and tear with age, but regular check-ups can minimize damages and save you money in the long run.
What Is Manufacturer Certification?
GAF is one of the leading roofing manufacturers in the world, and as such, the company’s certification program is used to distinguish the best roofing contractors in the field. A1 Siding & Roofing is proud to be a GAF Master Elite® Certified roofing contractor. We have proven our skills and knowledge, and we are prepared to pass our expertise onto you.
Contact Us for a Free Commercial Roof Estimate!
A1 Siding & Roofing is a fully licensed and insured commercial roofing contractor with the expertise to serve all of your business’s roofing needs. We also install siding! Call us today at (603) 627-7339 for a free estimate or fill out the online form and a member of our team will get back to you shortly.