They either use roll up or tilt up
They either use roll up or tilt up Insulated Garage Door. Roll up ones are made of several sections which are mounted and connected together. Most people consider these safer than the tilt up ones and can be opened if something is in front of the entrance. The tilt up one is a single unit that can slant up. It can usually be cheaper than the roll up ones. Regardless of the ones you want to get, you should consult an industry professional who has experience who can provide you with advice as to whether they are appropriate for your house. Since installing one is not a do it yourself project, make sure you spend time finding a good professional.