Family owned and operated since 1991

Juneau's Garage Door Experts for over 35 Years

Sales, installation, and repair for homes and businesses across Southeast Alaska.
(907) 789-0862

Residential and Commercial Garage Door Services

We sell, install, and repair residential garage doors for homes of every size, and commercial garage doors for shops, warehouses, and multi-bay buildings. We also install and repair garage door openers and offer regular tune-ups to keep everything running smoothly through Southeast Alaska’s wet winters. With over 35 years in the business, we’ll help you find the right door, get it installed right, and keep it working for years to come.

Have questions? Give us a call.

(907) 789-0862

Residential Garage Doors

New doors for homes in a range of styles, colors, and insulation levels, professionally installed.

Commercial Garage Doors

Durable, high-cycle doors for shops, warehouses, and multi-bay buildings, built for heavy daily use.

Garage Door Openers

New opener installation, replacements, and upgrades for residential and commercial doors.

Repairs and Tune-Ups

Broken springs, cables, rollers, and panels, plus routine maintenance to catch problems early.

Recent work around Southeast Alaska

From single-car garages to multi-bay commercial buildings, every door we install is built to handle Southeast Alaska’s wind, rain, and snow. These recent projects show the range of what we do, from modern flush panels and classic raised-panel doors to full-view glass and heavy-duty commercial installs.
  • Red-frame full-view glass garage door at the Red Dog Saloon in downtown Juneau
  • Black raised-panel garage door with a row of window lites on a metal-sided building
  • White full-view glass garage door on a light blue home
  • White commercial garage doors on a multi-bay metal building with red trim
  • Wood-grain raised-panel double garage doors under a timber carport
  • Two black garage doors with window lites on a dark gray board-and-batten shop

    What Our Customers Say

    Homeowners and businesses across Southeast Alaska trust us to get the job done right, whether it’s a brand-new door, a broken spring, or an opener that quit on a cold morning. Here’s what some of them had to say.

    New door installation

    "Garrett was very helpful during the door selection process. The crew installed two garage doors, rails, and motor in one day. Polite and skillful crew, cleaned up whole job when finished. Doors look great!"

    - John B.

    Opener repair

    "Our outside garage door opener was giving us issues then altogether stopped working. I called, they came the next day and promptly fixed the issue. Exceptional service, very friendly, and fairly priced."

    - Jessica M.

    Spring repair

    "One of our garage door springs broke and they were able to come next day after a holiday and repair it within an hour and a half. A bonus is our garage door is much quieter now. Highly recommend!"

    - Monica K.

    Read more reviews on Google
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    Serving All of Southeast Alaska

    Based in Juneau, Thunder Mountain Door serves homeowners and businesses throughout Southeast Alaska.

    • Gustavus

    • Haines

    • Hoonah

    • Juneau

    • Ketchikan

    • Petersburg

    • Prince of Wales Island

    • Sitka

    • Skagway

    • Wrangell

    Don’t see your community on the list? Reach out anyway. Southeast Alaska is spread out, and we’re used to planning around ferries, flights, and weather to get to our customers.
    (907) 789-0862