That all depends on you and your comfort level. You should insulate the door if you have a room above the garage. If the sun is hitting the garage door for a majority of the day, doors can get so hot you cant touch them on the inside. That heat is just transferred into the garage. If there is no room above garage and no insulation on roof inside garage, insulating the door may not be that noticeable temperature wise. It can also help insulate sound, if close to a highway, etc.

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• Power Failure from a power outage or tripped breaker
• Blocked Sensors
• Broken Springs
• Broken Cables or Rollers
• Malfunctioning or Disconnected Opener
• Locked or Manual Mode
• Painted doors using the wrong paint can transfer to trim seals and adhere

Not always, Many times using a strut across the damaged section is all it needs to straighten the panel out and keep it straight. Take into account each strut that is added adds more weight to the door. Depending where your door falls in the tolerance zone for keeping the door balanced will determine if upsizing a spring may also be necessary. Very important the door stays balanced as it is, to reinforce it when it is damaged. If the outside appearance is acceptable with the struts added, the door can last its full life as long as it is balanced. Sometimes the damage is too severe and replacement is necessary. If your garage is over 10 yrs old, chances are lowered for getting a replacement panel since manufacturers aim to update their stamp every 10 years.

Depending on where you live in relation to the ocean can determine just how often lubrication may be needed. But a good rule of thumb, no matter where you live, is to give all the pivot points on the door a squirt of silicone spray every 3 months. If you have the patented quiet technology hinges, every 6 months would be fine.