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A Legacy of Quality and Community Service
Founded in 1989, Duplouy Enterprises LLC has become one of the most trusted garage door companies in Dover, NH, proudly serving homeowners across Rockingham and Strafford County. What began as a small, family-run operation has grown into a respected local business recognized for dependable craftsmanship, fair pricing, and unmatched customer care.
Our company was built on a simple principle: treat every customer like a neighbor. Over the decades, that commitment has earned us lasting relationships throughout the community. Whether we’re installing a brand-new door, performing a complex repair, or helping a family choose a replacement, our focus remains the same — provide honest advice, quality workmanship, and reliable results that stand the test of time.
By the
Our Mission and Values
At Duplouy Enterprises LLC, our mission is to make every garage door safer, stronger, and more efficient for the families who rely on them. We believe in doing things right the first time — using the best materials, precision installation techniques, and a customer-first approach on every project.
Our core values guide how we operate every day:
Integrity
We deliver on our promises and communicate clearly.
Quality
From tools to materials, we never cut corners.
Reliability
Available seven days a week.
Community
Dover-based and proud to serve locally.
The Duplouy Difference
Choosing a garage door company in Dover, NH, isn’t just about price — it’s about trust. When you invite our team to your home, you’re hiring experienced professionals who take pride in their work.
We’re known for our:
Decades of experience
Over three decades of continuous service in the same communities we live in.
Hands-on expertise
Each installation and repair is completed by skilled technicians who specialize in garage door systems.
Commitment to safety
We perform comprehensive safety checks to ensure your door and opener operate correctly.
Personal attention
You’ll always receive direct communication and clear estimates with no hidden costs.
Our Services at a Glance
Choosing a garage door company in Dover, NH, isn’t just about price — it’s about trust. When you invite our team to your home, you’re hiring experienced professionals who take pride in their work.
We’re known for our:
Garage Door Sales
We offer durable, insulated, and stylish residential garage doors, helping you choose options that match your home and needs.
Garage Door Installation
Our installation experts handle every step — from precise measurements to final testing — ensuring seamless operation and long-term reliability.
Garage Door Repair and Maintenance
We inspect and repair all garage door makes and models, fixing springs, rollers, and openers with fast, reliable service.
Garage Screen Installation
Transform your garage into a versatile space with retractable garage screen systems that allow airflow while keeping insects and debris out.
Commitment to Customer Satisfaction
Since the beginning, our company’s success has been driven by one thing — our customers. We take pride in the fact that most of our business comes from repeat clients and word-of-mouth referrals. Homeowners trust us because they know we’ll show up on time, complete the work correctly, and stand behind everything we do.
We don’t just aim to fix garage doors; we aim to build relationships based on transparency, reliability, and respect. Whether you’re scheduling a repair, maintenance visit, or full replacement, you can expect the same high standard of professionalism that has defined Duplouy Enterprises LLC for decades.
Why Homeowners Choose Duplouy Enterprises LLC
Homeowners across southern New Hampshire choose us because we make their satisfaction a priority. From consultation to completion, every detail matters.
Locally owned and operated since 1989
Fully insured, trained technicians
Quality doors and parts built for New England weather
Honest quotes with no unnecessary upselling
Available seven days a week, 7 AM to 7 PM
Contact Our Team
If you’re searching for a trusted garage door company in Dover, NH, look no further than Duplouy Enterprises LLC. We’re here to make sure your garage door operates smoothly, looks great, and keeps your home protected year-round.
Experience the difference that more than three decades of honest, reliable craftsmanship can make for your home.