Commercial Roofing in New Hampshire
Murphy Roofing is the top choice for commercial roofing services in Dover NH, Somersworth NH, Durham NH, Barrington NH, Lee NH, Rochester NH, Portsmouth NH and the surrounding New Hampshire areas.
Commercial Roofing Done Right: Protect Your Investment and Minimize Risk
For commercial property owners, your roof isn’t just a protective barrier—it’s a critical part of your investment. A damaged or leaking roof can lead to costly repairs, business interruptions, and liability issues. That’s why you need experienced commercial roofing contractors who understand the unique challenges of commercial roofing systems.
At Murphy Roofing, we’ve been serving businesses across New Hampshire, Southern Maine, and Northern Massachusetts for over 35 years. Whether your building has a flat roof, pitched roof, or specialty system, we provide reliable commercial roofing services designed to protect your property, tenants, and bottom line.

Why Choose Murphy Roofing for Your Commercial Property?
Choosing the right roofing contractor can make all the difference for your business. Here’s why companies across NH trust Murphy Roofing for their commercial roofing needs:
- Fully Insured and Licensed – Peace of mind knowing your property is protected.
- Experienced Professionals – Our team brings decades of commercial roofing expertise.
- Prompt, Reliable Service – We work efficiently to minimize downtime.
- High-Quality Materials – Only the best products for lasting results.
- Cost-Effective Solutions – We deliver value without compromising quality.
- Additional Services – Protect your building further with custom gutters, siding, and window installation.
Our Commercial Roofing Services
Murphy Roofing provides comprehensive commercial roofing services in Dover NH & the surrounding New Hampshire areas. Our services include:

Commercial Roof Installation
When constructing a new commercial property or upgrading an existing building, a professionally installed roof is essential. Murphy Roofing specializes in commercial roof installation, ensuring that your roof is durable, energy-efficient, and compliant with local building codes. We use only high-quality materials and proven techniques to provide long-lasting protection.

Commercial Roof Replacement
If your commercial roof has reached the end of its life or suffered significant damage, a full roof replacement may be necessary. Our team handles every step of the process, from removing the old system to installing a new, durable roof that safeguards your investment for years to come.

Commercial Roof Repair
Leaks, storm damage, and wear-and-tear can threaten the integrity of your commercial property. Our roofing contractors perform thorough inspections and deliver cost-effective repair solutions that extend the life of your roof and prevent further damage.
How to Know if Your Building Needs a New Roof?
Commercial roofs endure a lot—from harsh weather and temperature changes to everyday wear and tear. Knowing when your building needs a new roof can save you from costly repairs, structural damage, and potential liability. Here are key signs that indicate it may be time for a replacement:
- Visible Leaks or Water Damage: Stains on ceilings, walls, or in your attic often point to a compromised roof.
- Aging Roofing Material: Most commercial roofs last 15–25 years depending on the material. If your roof is approaching or exceeding its lifespan, replacement may be necessary.
- Frequent Repairs: Constant patching or recurring leaks indicate the roof can no longer perform effectively.
- Structural Damage: Sagging areas, cracks, or curling roofing materials are signs your roof is weakening.
- Energy Inefficiency: If your heating or cooling costs are rising, your roof’s insulation and ventilation may no longer be effective.

At Murphy Roofing, our experienced commercial roofing contractors can perform a thorough inspection to determine whether repair or replacement is the best option. Don’t wait until a small problem becomes a major expense—contact us today to protect your building and your investment.
You can trust Murphy Roofing to repair or replace your commercial property roof. We can also protect your investment with window and siding installation and custom gutters.
We are:
- Fully Insured
- Experienced
- Prompt
- Professional
- Cost-Effective
Contact Murphy Roofing: The Leading Commercial Roofers in NH
Don’t leave your commercial property vulnerable to leaks, structural damage, or tenant liability. Partner with Murphy Roofing, your trusted commercial roofing contractors in NH.
Whether you need a new roof installation, replacement, or repair, our team will provide expert guidance, superior workmanship, and reliable solutions tailored to your property’s needs.
Contact us today for a free estimate and ensure your commercial property is protected with a roof built to last. Call, email, or submit our online form—we’re ready to safeguard your investment.