Loft insulation is any kind of insulation that is installed in the loft of a building with the aim of preventing the escape of heat through the roof. It's typically laid down as roles of mineral wool between the wooden beams and joists along the floor of your loft.
It is said that up to a third of all heat in a home can escape from the roof, the government say you can save up to 20% on your heating bill by properly insulating your loft.
Some key loft insulation points :-