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Somerset County Roofers: Article About Air Sealing A Home

Peter W Smith Construction: Expert Somerset County Roofing Contractors
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Creating an airtight home not only reduces summertime air conditioning costs and wintertime heating costs, but also makes for a more comfortable, environmentally friendly, and structurally sound house. While most homeowners are familiar with the need to achieve the U.S. Department of Energy's recommended R value of insulation based on their home's structural materials, geographic location and age, an equally important process is to stop air leaks. Trustworthy Somerset County roofers can help with the identification of air leaks in and around roofing systems and fix these problems so that property owners can enjoy the benefits of a more efficient house.

A thermal bypass is one of the top four ways that air leaks through roofing systems. These most often occur around penetrations such as plumbing vents, turbine openings and other rooftop protrusions. This is because the insulation might be missing from around these areas. To correct the problem, roofers can apply metal flashing around the perimeters of these objects. Silicon caulking can seal the space around the flashing to create an airtight seal.

Another common thermal bypass takes place around air ducts and electrical cables within the attic. These issues are most commonly found in older homes. Some of the holes in the attic's flooring and walls can be quite large in comparison to the diameter of the cables or ducts going through them.

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

When any of these are attached to the roof's rafters, the attic's ceiling or walls, there are gaps in the insulation. These gaps should first be caulked and then filled as closely as possible with sprayed foam insulation.

Also in the attic, there may be unsealed kitchen soffits. These are often located above walls filled with cabinets. Escaping air through these soffits can cause fiberglass insulation to discolor and deteriorate due to the constant rushing air. This causes a loss in the insulation's R value. If there is loose fill insulation in the attic, it may have been blown out of its correct position, leaving an empty place where insulation should be. Sprayed foam insulation can be used to cover this space, as it creates an air seal and puts a stop to thermal transfer. The perimeter of the soffit's framing cavities should be seamed with caulk or durable tape as well.

The last area of thermal bypass to inspect is the chimney. The place where the chimney intersects the roof often has many gaps around it. These can be sealed with high temperature rated silicon caulk and metal flashing.

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