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A Closer Look at Roofs in Northern Virginia: Roofing Components

By Eugene Head

| February 27th 2012 | Views:

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The home exterior is consisted of a number of parts. These parts are known to professionals as exterior components, and it can be made of various materials like metal, vinyl, wood, ceramic, or clay. Below are some of the common exterior components some of which homeowners like you are familiar with.

Underlayment

A roof with just a single layer may not be able to withstand the elements. In most cases, an underlayment is needed before installing the roof material. A roof’s underlayment is intended to protect the home from the elements prior to the installation of shingles or tiles. For roofing contractors, underlayment is also known as the builder's felt paper, a sheet that is literally soaked in asphalt. While some contractors use synthetic felt paper that can offer better resistance to tearing and moisture, others use self-adhering underlayment in conjunction with felt paper.

Dormer

In American architecture, dormers refer to the structure around a window that protrudes from the surface of a sloping roof. Besides aesthetic improvement, dormers are also intended provide internal space for attics and ventilation around the house. Two notable types of dormer include pitched-roof dormer and flat dormer. The former is ideal for conversions where the height of the roof is sufficient to accommodate the changes, while the latter is recommended for smaller loft spaces.

Rafter

Roofing contractors Northern Virginia has know that this component makes up the entire framework of most types of roofs. Rafters are intended to rest on the top of a building wall and are usually inclined to meet the ridge or another rafter to which it is fastened. A typical rafter is usually placed every 16 - 48 inches and must be extended beyond the wall that creates the eaves of the building.

Siding

Of course, even the best Northern Virginia roofing material won’t complete the look of the house without the right type of siding. Home siding comes in three types: flexbeam, flexrib, and corrugated metal siding. If you need to install siding for facility maintenance projects, flexbeam can be your best option. Flexrib provides grooves of various depths, while corrugated metal siding are for projects with large area to cover.

Flashing

Nowadays, flashing can be used in conjunction with covering materials such as mineral paper. Often made with rust-resistant metal, flashing is intended to cover the home’s edges, hips, and valleys. Keep in mind that correct installation of flashing depends on the home’s overall design. Homes with flat and high-pitched roofs can have flashings installed. Some of the flat-roof flashing installed on typical roofing Northern Virginia homes have include edge flashing, stop flashing, and roof caps.

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