Ron Dulmaine & Sons Garage Doors
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Electric Garage Door Openers

Marantec Synergy 370

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Liftmaster 87504

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  • Secure View™ Ultra-Quiet Belt Drive Smart Opener with Camera, LED Corner to Corner Lighting™ and Battery Backup
  • Built-in camera adds video and 2-way audio communication to the myQ® app.
  • Control, secure and monitor the garage with the myQ app- anytime, from anywhere.
  • 360° light ring uniformly brightens every corner of the garage with 2,000 lumens of long-lasting LED light.
  • Battery backup lets you get in and out when the power is down.
  • Ultra-quiet DC motor and strong belt drive system ensures for comfortable living spaces near the garage.

Liftmaster 84501

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  • ​Ultra-Quiet Belt Drive Smart Opener with Dual LED Lighting
  • Control, secure and monitor the garage with the myQ app- anytime, from anywhere.
  • Integrated LED lighting system brightens high traffic areas of the garage with 1500 lumens of light.
  • Ultra-quiet DC motor and strong belt drive system ensures for comfortable living spaces near the garage.

Liftmaster 8500W

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  • DC Battery Backup Wall Mount Wi-Fi Garage Door Opener
  • Wall mount design frees up ceiling space in your garage, reduces noise and vibration.
  • Built-in Wi-Fi® allows for smartphone control with the myQ® app.
  • Battery Backup allows you to open/close your door even when the power is out.
  • Includes myQ Remote LED Light featuring 1,500 lumens.
  • Automatic Garage Door Lock deadbolts your door after closing.

Providing Garage Door sales, service, installation and repair for Cape Cod and Martha's Vineyard 
©2018 Ron Dulmaine & Sons, LLC. All rights reserved. 
Sandwich, MA 02563 | 508.888.1508
  • Home
  • Garage Doors
    • Standard Steel Doors ($)
    • Standard Carriage House ($)
    • Premium Carriage House ($$)
    • PVC & Vinyl Carriage House Doors ($$$/$$$$)
    • Custom Wood Doors ($$$$)
    • Aluminum Doors ($$/$$$)
    • Commercial
  • Electric Openers
  • Contact Us
  • Gallery
  • Help
  • About Us
    • Reviews
    • Customer Survey