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Raleigh Roofing: Article About Roof Insulation

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When it comes to choosing a green roof, there are two main things that homeowners need to consider. First, they have to choose a roofing material that will reflect sunlight to reduce their energy costs. Metal is a good choice for reflecting the harmful UV rays of the sun and keeping homes cool. Next, homeowners also have to consider what kind of roof insulation they want to use. Roofing insulation has been a standard part of building codes since the 1970s. There are two main types of roof insulation, but regardless of the type, Raleigh roofing professionals can install it quickly and efficiently.

Roofing insulation has become an important aspect of every home because it keeps air from escaping a home via the roof. While some homeowners believe that they don't need roofing insulation because they have attic insulation, roof insulation acts as a second barrier to save homeowners even more money.

There are two main types of insulation, one of which is reflective. It's usually made from a combination of different insulating materials and lined with a low emittance surface such as foil. This style of insulation also uses trapped air to create an extra barrier against energy loss. Reflective insulation gets its name because it can reflect heat instead of absorbing it. It works much in the same way as a pizza bag.

The roofing experts at Otto's Exteriors of Raleigh NC can assist you with any questions regarding shingle roofing or decks.

The inside of a pizza bag is covered in a foil like material, which reflects the heat from the pizza back in on itself to keep it warm.

The other type of insulation is bulk. The goal of this insulation is to simply block the flow of heat out or into a home. Bulk insulation has to rely on the air space between bubble, foam or fibers to trap heat and prevent it from escaping. This reduces energy bills by keeping homeowners from having to run their heating and cooling units as much.

Regardless of what homeowners choose, insulation is only as good as its quality. The quality of the insulating capacity is rated with an R value. Insulation with a higher R value is better at insulating homes than insulation with a low rating. The U.S. Environmental Protection Agency has come up with a recommended R value for homes in different regions.

Both bulk and reflective insulation can be made out of numerous materials. Some of the more common materials are cellulose, blankets, fiberglass, foam and wood fibers. Each material has its own pros and cons, but homeowners won't have to concern themselves with which insulation best fits their needs because roofing professionals can figure that out for themselves.

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