Nowadays, many things comes with insulators. Insulator works as barrier to heat or cold for particular object. Object maybe household items or the house itself. Insulators can be divided into 3 parts, Thermal Insulator, Sound Insulator and Electrical Insulator. As we're living in days of global warming, a house should be protected as possible from the day we build it. Insulation should be installed while we build a house. During construction insulation installation can become easier in certain areas like Wall and Basement. Normally insulation can last long for more than decades. Simply, it saves energy with no energy. For a long run insulation can provide us effective savings in electricity bills. If there is old insulation already installed which is reached its expiration. It should be removed or can add insulation on it unless old insulation is wet. Insulation Removal can be done by DIY or with specialists, this is depends on materials used in old insulation. It is better get audited by professionals. They will provide you the solutions.