Shelter is one of the basic needs of human beings. People need some cover over their heads to protect them from harsh weather conditions among other things. Therefore it is important for the shelter to have optimum conditions so as to ensure that the people who reside in it are comfortable. There are very many ways through which you can regulate the conditions in a house. Insulating the roof is one of them. When using this method it is essential that you choose the right roof insulation thickness.

People usually install roof insulation in their homes so as to ensure that the temperature in the house is ideal. The house should protect its occupants from the harsh temperature conditions in the atmosphere. Therefore it is important that you use the correct insulating material for you to get the best results.

In detail, the R-value is expressed as the thickness of the material divided by the thermal conductivity. If this value is high it means that the insulating material operates more effectively. The resistance of each material depends on the thickness of the material amongst other factors. When the insulating material is thicker, the resistance increases. This means that it insulates better.

Increasing the thickness of the insulation is not easy. This is because you cannot physically make it thicker. Therefore, what many people do is use several layers of the material. Most of the time two layers are used, for convenience.

The choice of R-value of the insulation being used depends on several things. One of the major factors is the cost of energy and climate of the place. The climate can either be classified as dry or moist. So it is vital that you check the R-value that is recommended for your area, before going ahead to installing the material.

There are four main types of insulation. The first one is the rolls and batts. This type is usually flexible and is in the form of fibers, for example firberglass. The other type is loose fill. It comes in the form of loose pellets and fibers. It is usually blown into spaces.

Next there is the foam in place type. This type is mostly used to seal air leaks. It is used around the windows and any other place that has air spaces. It is installed by blowing it into the spaces. Finally, there is the rigid foam. It costs more than the other types. This is due to its high R-value. There are four kinds of insulation that you can use. They are rigid foam, loose fill, rolls and batts and foam in place. Loose fill usually is in form of loose fibers and pellets, and has to be blown in place. Finally, we have the rigid foam, which costs more than fiber and has a high r-value.