Video answer: Before & after insulating my garage - sound proofing results. plus insulating the internal walls
Top best answers to the question «Should i insulate my garage walls»
You do not need to insulate the entire garage, you could actually do fine insulating just the internal wall of the garage… This helps prevent the escape of heat from out of the walls of your home during the winter time and vice versa during the warmer months.
Video answer: Garage reno pt.8 - insulating the walls!