Garage Door Services in Dover, NH

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Comprehensive Garage Door Solutions for Your Home

At Duplouy Enterprises LLC, we offer a complete range of garage door services in Dover, NH, designed to keep your home secure, functional, and visually appealing. Since 1989, homeowners across Rockingham and Strafford County have trusted our experienced team for quality workmanship, honest advice, and long-lasting results.

Whether you need a new garage door, a quick repair, or regular maintenance, we’re here seven days a week to make sure your door operates safely and smoothly. With decades of experience and a commitment to customer satisfaction, our locally owned company provides the reliable, high-quality service your home deserves.

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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:

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Integrity

We deliver on our promises and communicate clearly.

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Quality

From tools to materials, we never cut corners.

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Reliability

Available seven days a week.

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Community

Dover-based and proud to serve locally.

Expert Garage Door Installation

Precision Installation You Can Depend On

A garage door’s performance depends on how well it’s installed. Our skilled technicians bring decades of field experience to every garage door installation in Dover, NH, ensuring your door is level, balanced, and built for long-term operation.

We take the time to:

  • Remove your old door safely and efficiently
  • Check tracks, rollers, and mounting hardware for alignment
  • Test all components for smooth performance
  • Inspect openers and safety systems for full functionality

When we finish, your garage door will operate quietly, efficiently, and safely — giving you peace of mind every time you use it.

Reliable Garage Door Repairs

Fast, Affordable Solutions Across Rockingham and Strafford County

When your garage door stops working properly, you need help fast. Our team provides quick, professional garage door repair services throughout Dover, NH, and the surrounding region. We diagnose and fix issues of all sizes, from broken springs and cables to malfunctioning openers and damaged panels.

Common problems we repair include:

  • Broken or stretched springs
  • Misaligned tracks or rollers
  • Damaged panels or weather seals
  • Noisy or stuck garage doors
  • Faulty sensors or opener malfunctions

Each repair is handled with precision and care to restore your door’s functionality and safety. We also offer same-day service whenever possible to minimize downtime and inconvenience.

Preventative Garage Door Maintenance

Protect Your Investment with Regular Care

Preventative maintenance is the key to extending your garage door’s lifespan. Our technicians perform detailed inspections to identify wear before it becomes a major issue.

During maintenance visits, we:

  • Lubricate moving parts and bearings
  • Tighten loose hardware
  • Balance and align the door
  • Test spring tension and safety features
  • Inspect weather seals for wear and efficiency

These simple steps help you avoid costly repairs, ensure safety, and keep your garage door looking and performing like new. Annual maintenance is recommended for optimal reliability.

Garage Screen Installation

Transform Your Garage into a Versatile Space

Duplouy Enterprises LLC also offers garage screen installations that turn your garage into a more functional and enjoyable space. These retractable screen systems are perfect for homeowners who want to use their garage as an additional living or hobby area.

Benefits of our screen systems include:

  • Increased ventilation without bugs or debris
  • Easy retractable design for quick open/close
  • Durable framing that withstands heavy use
  • Custom fit for seamless installation

Whether you want a place to work out, host gatherings, or simply enjoy fresh air, a garage screen installation provides flexibility and comfort all year round.

Why Homeowners Trust Duplouy Enterprises LLC

Our commitment to quality, honesty, and craftsmanship sets us apart. For over 35 years, we’ve built a reputation for excellence across southern New Hampshire.

Customers continue to choose us for our:

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Local experience

Decades serving Dover and nearby communities.

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Personal service

We treat every job as if it were for our own home.

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Fair pricing

Honest quotes with no hidden fees.

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Dependable results

Doors that look great and operate flawlessly.

Professional Garage Door Sales

Choosing the right garage door starts with having the right options. Duplouy Enterprises LLC offers a wide selection of durable and stylish doors that enhance your home’s curb appeal while delivering strength and performance.

We carry models made from steel, wood, and insulated composite materials, all selected for their ability to handle New England’s weather. Our experienced staff helps you navigate design, color, and insulation choices to find the perfect fit for your home.

Each garage door we sell combines modern technology with timeless design — giving you a product that looks great and performs reliably for years.

Frequently Asked Questions

  • How long does a new garage door installation take?

    Most installations are completed in a single day, depending on the type and size of the door.

  • What’s the average lifespan of a garage door?

    With proper maintenance, a high-quality garage door can last 15–30 years.

  • Do you provide free estimates?

    Yes. We offer transparent, no-obligation estimates for all garage door sales and services.

  • Can you repair older doors or discontinued models?

    In most cases, yes. Our technicians can often match parts or recommend reliable replacement options.

Contact Duplouy Enterprises LLC Today

When it comes to garage door services in Dover, NH, homeowners trust Duplouy Enterprises LLC for dependable results and personalized care. From sales and installation to repairs and maintenance, our team is ready to help you find the perfect solution for your home.


Experience expert garage door service that combines craftsmanship, reliability, and genuine local care — only from Duplouy Enterprises LLC.