Cornerstone

Cornerstone

Cornerstone [ GDM03 ]

Tradition Meets Beauty and Quality

Constructed from high-quality steel, the Cornerstone model is the timeless garage door made to complete any home. This low-maintenance door can be customized to add value and individuality.
 
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
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