At a minimum, look for the following:
- Custom solid vertical grain Douglas Fir jamb with airtight replaceable weatherstripping
- Four heavy-duty, 4 ball bearing, non-ferrous, non-removable pin, mortised hinges per door that allow the 150+ lb door to open and close with one finger for YEARS
Vintage Garage Door LLC specializes in creating hand-made custom real swinging carriage house garage doors to last for YEARS. You can really see the quality differences at www.vintagegaragedoor.com