how to cook a baked potato?
What is recommended as an industry standard is 10 of fiberglass insolationRolled is far better than blown in insulation.
It depends on where you areIn northern Wisconsin industry standard is R-36 or betterIllinios R-30.
The code varies in different parts of the country based on your average cold and hot temperaturesIn my area, R-40 is codeYou should call your local building code deptand ask what is recommended for your area based on your average cold and hot temperatures.
I usually pre heat the oven to about 350 and wrap the potato in aluminum foil leave in the oven for about 30 minutes or so you should be fine
