In many homes, the original garage door was installed during construction of the garage and the builder may have chosen the least expensive model. Decades later, the homeowner may decide to upgrade to a higher quality door. While appearance and cost will likely be the biggest considerations for most homeowners, other factors such as insulation value, ease of operation and safety features should also be considered. A highly rated garage door installation professional can offer more detailed advice.
I saw the plans during the Q&A of this proposed restructure and it seemed odd to me that the homeowners added a second story only above half of the house. I would think since they're must be spending around $700k for the project they should spend a little more and do the second floor above the whole house even if they only finish what is proposed now on the second floor they'd still have an unfinished area for the future home owners or for them to tackle when money is available. It would be a definite bump to the house value during the time of sale. Unless this has to do with zoning and FAR/lot size...
Step 5: Check for loose hardware, and tighten as needed. On swing-up doors, check the plates where the spring is mounted to be sure the screws are tight, and tighten any loose screws. On roll-up doors, check the hinges that hold the sections of the door together; tighten any loose screws, and replace any damaged hinges. Sagging at one side of the door can often be corrected by servicing the hinges. If a screw hole is enlarged, replace the screw with a longer one of the same diameter, and use a hollow fiber plug, dipped in carpenters' glue, with the new screw. If the wood is cracked at a hinge, remove the hinge and fill the cracks and the screw holes with wood filler. Let the filler dry and then replace the hinge. If possible, move the hinge onto solid wood.
Door styles - in addition to the styles just mentioned, it is important to also consider additional features such as windows across the top of the door to provide light inside of the garage, the use of steel or wood frames to give decorative doors added security and stability, and insulation which can reduce energy costs in the attached garage by an impressive 15 to 20%; and