It is a good idea to install an insulated garage door. There are many benefits, including a warmer garage (polystyrene can raise the temperature of your garage by up to 10 degrees). Garage door insulation can increase energy efficiency in your home and reduce noise from the outside. Speak to our installers about multiple layers and thermal resistance, indicated by the panel’s R-value. Insulation can also reduce air seepage from your home, lowering your energy bills.