Commercial Roofing Services in NH & MA

Our pricing for commercial roofing is competitive, but our business speaks for itself. We are always professional, and handle your business with integrity. Our jobs are of the highest quality and always on time and budget. Contact us to discuss your upcoming project.

The Sentry Roofing team completes commercial projects in a timely manner, ensuring minimal disruptions to your day-to-day activities.

Choose Sentry Roofing

Your business is your livelihood…

The team behind Sentry Roofing ensures we stay the premier commercial roofing contractor for the New Hampshire & Massachusetts area.

Our experienced and professional roofers are licensed to provide a variety of roofing services in New Hampshire and Massachusetts.

We are Owens Corning Platinum Preferred, GAF Master Elite, and Certified Mule Hide Installers, and we stand by the quality work we do on each and every project. Our workmanship warranty remains in effect for as long as you own your business.

Commercial Services

Commercial Roofing Services

Commercial Roofing Services

  • Roof Ballast Removal
  • Metal Shingles Roof Systems
  • EPDM & TPO Roofing Systems
  • Modified Bitumen Roofing Systems
  • Corrugated Roofing Systems
  • PBR Panel Roofing Systems
  • Roof Repairs & Total Roof Replacement
  • New Construction Installations
  • Roof Inspections


Businesses We Work With

Businesses We Work With

  • Retail
  • Hotels
  • Multi-use Buildings
  • Healthcare
  • Restaurants
  • Office buildings
  • Warehouses
  • Industrial
  • Real-Estate Developments
  • Condos
  • Multi Family Developments


Service Highlights

Flat Roofing

Ballast Removal

Sky Lights

Standing Seam


Sentry lived up to its promise to quickly and efficiently install a new roof on our house. Workers were diligent and helpful in answering questions. Minor concerns were quickly resolved. Pricing was very competitive. A breath of fresh air from our prior roofing experiences.

Joe Petrick

Apr 7 2022, Google Reviews

Sentry Roofing was great.

They protected my property from damage and cleaned up after the job.

Roofing job was great too!

Michael C.

May 9 2022, Guild Quality

Thank you to Paul, Brett, Jay and the entire crew at Sentry Roofing for the professional and timely installation of our new roof here at the dealership. We appreciate your no hassle and “get it done” approach. Thank you again.

Keith Kopp

Jun 16 2022, Google Reviews

Service Areas

We Focus on VALUE

Our Transparent Estimating puts everything upfront with no hidden costs or buried fees so that you can compare, budget and plan with confidence.