Absolutely. Insulation is not always necessary, but if you do require it, there are two options available: Manufacturer insulation kits - These make insulation easy. It includes a layer of insulation, a plastic backing to nicely finish off the look of your walls and pins which hold the insulation in place. Spray Foam Insulation - Spray foam is a bit more expensive, but it has a high insulation rating. This method is exactly what it sounds like and a technician will use a spray gun to apply layers of insulation to the interior of the building.