In the modern time the people not only consider to select the roofing material for durability and protection from the bad weather condition but they are more conscious about the energy efficiency level. It is one of the important tasks to select the proper roofing material, which gives proper energy efficiency level.
There are different types of materials are use to install to get the proper materials for roofing. I think fiberglass roofing gives better energy efficiency level and work as better insulating materials. You can also apply coatings on the metal roofing to make it energy efficient coatings. Some people use the insulating blankets over the metal roofing to give proper protections. There are other types of roofing materials are also applied on the metal and other roofs.
it is better you can consult the contractor to know which types of insulating materials are compatible with your roofing. The benefits of roofing materials are it maintains the same weather condition in the normal atmosphere.