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Somerset County Roofers: Article About Radiant Barriers

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Homeowners seeking to make their attics more comfortable often wonder what is more important in blocking unwanted heat. While insulation is important, a radiant barrier can block up to 95 percent of the solar energy coming into the house through the roof. There are several different kinds of radiant barriers that property owners can choose from, and each type has its pros and cons. Experienced Somerset County roofers can help a homeowner sort through all the options and choose the barrier that best suits their needs.

The most popular type of radiant barriers are made of foil. It looks like aluminum, which is part of a laminated substrate. The backing can consist of Kraft paper, cardboard, thick plastic sheeting or a similar material. This barrier is installed on the inside of the attic with the foil facing toward the attic's open area. These barriers offer an emittance rating of less than 0.1.

Roof sheathing is a two for one type of product. It consists of the wooden sheathing used as the solid surface of a roof's sloped face plus the aluminum foil radiant barrier. This material works best when it is put on as a new roof. It also has an emittance rating of under 0.1. New roofing felt and shingles or tiles are then installed onto the sheathing as usual.

The roofing contractors from Peter W Smith Construction of Somerset County NJ would be happy to answer any question you have about commercial roofing or residential roofing.

No extra labor is needed to install this material. The coated sheathing should not have any insulation placed on the foil side, as this would block its ability to stop solar energy from penetrating into the house. The attic's floor can be insulated with any material desired by the homeowner.

Radiant chips are a newer material used for radiant barriers. They consist of small pieces of aluminum laminated onto thick polyurethane sheeting. Each piece measures less than 2 inches per square. The chips are blown onto the home's fiberglass or loose fill cellulose insulation. Roofers apply about 1 inch of the chips across the attic's flooring. The chips have a solar emittance rating of about 0.1.

Another newer innovation for blocking heat gain through attics is a spray on barrier. Roofers apply this material in the same way that painters would paint. Each manufacturer has its own blend. Some of the coatings require the use of a primer. Depending on the product, one or two layers of the paint is needed. The paint can be applied to any surface in the attic or to the roof's sheathing before it is attached.

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