A person may have the wish to get his house insulated so that he gets more comfort when he stays at home. What insulation does is it reduces the undesired and unwanted gain or loss of heat in your house. As a result of this your house’s normal requirement of energy for cooling and heating will decrease. Now there are various things in consideration for the insulation of a house such as urethane foam, glass wool, wood fiber, animal fiber, rock wool, vermiculite and many other things.
When you consult a person who deals with house insulation he will tell you that the higher the R-value the better it is for your home. This R-value indicates the proportion of the energy that is saved due to the insulation. While insulating your home the R-value will not indicate only the air pressure but also the vapor barriers that are in the room – that is not a serious matter.