Garage Doors Unlimited

Call (925) 829-1770

Serving the entire San Francisco Bay area

Garage Doors Unlimited

Martin Premium Cornerstone Steel Garage Doors


Tradition Meets Beauty and Quality
Constructed from high-quality "high tensile" steel, these models are timeless garage doors made to complete any home. This low-maintenance door can be customized to add value and individuality.


You can choose a long or short raised panel design, a vertical grooved panel, horizontal ribbed panel 

or an optional upgraded flush panel.


They come standard in your choice of  6 colors with a baked-on enamel or 3 optional wood grain color finishes. They can also be finished in one of the over 80 Powder Coat colors. (Optional)

There are plenty of window choices  (Optional) to add to the curb appeal of your home.


i1 Steel
Get value and durability with this non-insulated steel door. These heavy-duty steel doors are durable, reliable and low maintenance.

  • 2” thick door construction
  • Dependable,durable, minimal upkeep


i3 Steel + Insulation + Steel
This insulation construction provides a fully insulated R8 value that is durable, and has minimal upkeep.

  • 2” thick door construction
  • Eco-friendly insulation R8
  • 30 gauge white steel back panel
  • Energy efficient
  • Quiet operation


i4 Steel + Insulation + Steel
For the strongest, energy-efficient steel door, this high-tensile steel door includes superior eco-friendly insulation plus a layer of steel for a finished interior look and added strength.  This construction provides a fully insulated R14 value.

  • 2” thick door construction
  • Eco-friendly insulation R14
  • Heavy 26 gauge white continuous steel backing
  • Excellent energy efficiency
  • Very quiet operation                         




Garage Doors Unlimited

                                           Dublin, CA, 94568                                       

                                      Phone:   (925) 829-1770                                       


CA License #556626