I need specification on insulation of walls for a garbage room (needs to be around 10deg c)
How the insulation can be done? What type of wall will be required for insulating it.
Section details of the insulated wall.

You don't mention what city or town you are living inn, some more info would be good

To determine how much insulation is required you need to list how much you are willing to spend heating/cooling the space. This means what is the common temperature difference between inside and outside? For example, if you lived at the North Pole, used an R 50 worth of insulation, you could heat the space with a 100 W light bulb.