In both climates remember that air gaps windows walls and ceilings are as important as your garage door.
Is it worth insulating your garage door.
Use thicker insulation in cooler areas.
Use the reflective insulation in very hot areas.
Even if you find products designed for application against a garage door the constant movement of the garage door will eventually cause them to flake pull apart and fail which means that you re looking at insulating your door again and again.
If needed you can use a.
Cut foam insulation to size now that you know the dimensions for each panel on your garage door cut the foam insulation to size.
Depending on the size of your garage insulating the walls with batts of r 13 will typically run you about 400.
Repeat this step until you have cut enough insulation to cover the entire door.
The ceiling might cost another 600 and the garage door will cost about 600 if you do it right.
Now if you do want a warm garage then i would add a heater and insulate the ceiling walls and garage door.
Adhere insulation to garage door open your adhesive and start adhering your cut insulation to the door.
Think about mounting a storm door on.
So neither bat insulation or spray foam insulation is going to work well on the garage door.
The garage door insulation cost vs.
An insulated garage door is purchased with the insulation already installed within it.
Insulating the garage door can help reduce noise coming in from outside.