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C.H.I Overhead Doors

Commercial Garage Doors

Your Source for Commercial Overhead Door Installations

NDI Garage Door specializes in comprehensive commercial overhead door solutions, offering professional installations for businesses across 9 counties in New Hampshire, Maine, and Massachusetts. Our services encompass a wide range of commercial door needs, ensuring your business has the right entryway solutions.


We provide:


  • Commercial garage doors
  • Overhead door systems
  • Thorough pre-installation assessments
  • High-quality door components
  • Expert installation services
  • Post-installation maintenance


With over 15 years of experience and a commitment to excellence, NDI Garage Door is your trusted resource for all commercial door needs. Call us today to enhance your business's security and efficiency with our professional installation services.


Signs Your Business Needs New Commercial Doors

Recognizing when your commercial doors need an upgrade is crucial for maintaining security and operational efficiency. NDI Garage Door can help you identify and address these needs promptly.


Here are some indicators that it's time for new commercial door installations:


  • Visible wear and tear on existing doors
  • Frequent breakdowns or malfunctions
  • Outdated security features
  • Energy inefficiency leading to higher costs
  • Difficulty in operation or opening/closing
  • Non-compliance with current safety standards
  • Aesthetic inconsistency with renovated premises
  • Inadequate size for current business needs


If you've noticed any of these signs, it's time to consider upgrading your commercial doors. Reach out to NDI Garage Door for a professional assessment and tailored solutions.


Commercial Door Installation Process

NDI Garage Door adheres to a proven process honed by more than 15 years of industry experience:


  • Pre-installation assessment
  • Measurement: Accurate width, height, and headroom are essential
  • Site inspection to check for:
  • Structural integrity of walls and framing
  • Level floor and ceiling
  • Clearance for tracks, openers, and springs


  • Door type selection
  • Sectional
  • Roll-up
  • Custom commercial model
  • High-speed and commercial curtain doors
  • Roll-up doors (coiling doors)
  • High-speed (rapid roll) doors
  • Fire-rated doors
  • Security grilles
  • Aluminum and glass (full view) doors
  • Vertical lift or high-lift doors
  • Specialty or custom doors


  • Garage door components
  • Door panels
  • Steel
  • Aluminum
  • Glass
  • Specialty Materials
  • Tracks: Vertical and horizontal tracks guide the door's movement
  • Rollers and hinges for smooth and quiet operation
  • Springs
  • Torsion springs (mounted above the door)
  • Extension springs (mounted on the sides)
  • Critical for balancing the door’s weight
  • Cables and drums: Work with the springs to lift and lower the door
  • Weatherstripping: Seals gaps for insulation and water protection


  • Professional installation steps
  • Safety inspection upon completion
  • Energy efficiency with insulated door


  • Maintenance post-installation
  • Regular lubrication of moving parts (rollers, hinges, and springs)
  • Inspect cables and tracks
  • Test balance and safety sensors quarterly


To learn more about our commercial door installation services, reach out to us today.


The Importance of Professional Commercial Door Installations

Investing in professional commercial door installations is crucial for the security, efficiency, and longevity of your business operations. NDI Garage Door offers expert services that guarantee your commercial doors are installed correctly and function optimally.


Here's why choosing professional installation is essential:


  • Ensures proper fit and alignment for optimal performance
  • Maximizes energy efficiency and security
  • Complies with local building codes and regulations
  • Reduces the risk of future repairs and downtime
  • Provides warranty protection for parts and labor
  • Enhances the overall safety of your premises
  • Improves the appearance of your business entrance
  • Offers customized solutions for unique business needs


Don't compromise on the quality of your commercial door installations. Contact NDI Garage Door to make sure your business benefits from our professional expertise and superior service.


Advantages of Choosing NDI Garage Door

When it comes to commercial door installations, NDI Garage Door stands out as the premier choice in New Hampshire, Maine, and Massachusetts. Our commitment to excellence and customer satisfaction sets us apart in the industry.


Here are some of the key benefits of partnering with us:


  • Comprehensive services for all commercial door needs
  • Flexible scheduling
  • 24/7 emergency repair services
  • Owner present on every job site
  • Fully insured
  • 1-year labor warranty on new installations
  • Manufacturer warranties for door motors
  • Competitive pricing with price matching


Experience the difference of working with a trusted, family-owned business that prioritizes your needs. Reach out to NDI Garage Door for unparalleled service and expertise in commercial door installations.


Schedule Your Commercial Door Installation Today

Don't let outdated or malfunctioning commercial doors hinder your business operations. NDI Garage Door is ready to provide you with exceptional installation services that enhance your property's security, efficiency, and appearance. With our extensive experience, commitment to quality, and customer-focused approach, we deliver a smooth and satisfactory installation process from start to finish.


Contact NDI Garage Door today to discuss your commercial door needs and schedule a free, no-obligation estimate. Let us help you elevate your business with our expert commercial door installation services.

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