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Roof Replacement Cost

Factors That Affect the Cost of a New Roof

Your Roof Will Eventually Need to be Replaced

Replacing a roof is one of the biggest and most costly project a homeowner can take on.

Roofing companies look at a lot of variables to determine the price of a new roof, including its size, pitch, accessibility and cost of materials. Because of this, prices for a new roof can vary drastically.

The average cost of a new roof can be as low as $5,000 for a basic asphalt shingle roof — the most commonly used roofing material in the country — to $25,000 or more for higher-end roof types, like tile or slate The average price, however, from around the country is $12,000 to replace an architectural shingle roof.

Calls to contractors show that prices can vary from $5,500 to $12,000 to tear off and replace a roof with basic shingles in 2018. Prices can also vary greatly depending on where you live.

Here are the main factors:

Roof Size
A roof’s size is the largest cost factor.

Roofers charge per roofing square. A 10-by-10-foot (100 square feet) area is equal to one roofing square. So, a 3000 sq. ft roof is equal to 30 squares.

Pitch of the Roof
Another variable in pricing is the pitch of the roof, or the slope. Some roofs have a high pitch, while others have a low pitch or no pitch at all — all factors which affect the cost of the roofing estimate.

Roof Replacement ContractorsA roof with a pitch of about a 7:12 ratio — the first number represents the height and the second the length — or higher isn’t walkable and will probably require more safety harnesses and equipment. A 7:12 roof, as an example, means that for every 12 inches it runs horizontally, the roof rises 7 inches vertically.

A roof of 7:12 or greater is a pretty steep roof, and roof replacement contractors will charge more to work on this type of roof. The work goes more slowly with a steep roof. You can’t stack materials on the roof, and crew members will need to wear harnesses. Because of these difficulties and because the roofing company will pay more in insurance costs, their quote is adjusted accordingly.

Accessibility to the Roof
Can the roofer get a truck in close to the house? Can they back the truck up against the house? If not, they’ll have to carry the materials to and from the trucks. That will cause more costs for the roofing contractor and will make the project more expensive. Tearing off a heavier roof can also increase labor costs.

Type of Roofing Material
It costs from $1.50 – $4 a square foot to remove and replace the roof or $1,800 to $8,600 for a typical 1,700-2,100 square foot ranch-style home, with a gentle slope, on average. The cost and labor for an asphalt roof for a 1,200-square-foot house in larger markets across the country ranges between $4,500 and $7,000. Asphalt is the most affordable roofing option, followed by wood, metal, tile and slate.

The cost per square foot for a wood shingle roof is between $7.37 and $9.77. That equates to about $1,474 to $1,854 per 200 square feet, which is two squares.

Materials for a metal roof can cost upwards of $1,900 per 100 square feet. The price can be twice as much for a metal roof compared to asphalt shingles, and as much as four or five times more for slate.

While a good asphalt shingles may last 20 or more years, metal, tile, and slate may last 30 or more years, which can play a role in determining the type of roof you ultimately choose.

You Need a Roof Replacement Contractor You Can Trust

Other roofing cost factors

  • Water damage can also factor in to the final expense of a roofing project. Usually, you won’t find water damage until after the roofer has removed the roofing materials and the deck is exposed. If there’s significant water damage, it can change the project from a roof repair to a roof replacement.
  • Another factor that can affect the price is whether your home has chimneys or skylights, or other protrusions. They will increase the cost and scope of the project, as your roofing contractor will need to work around them. The cost of repairing flashing around a chimney can range from $200 to $500, while repairing it around the skylight can average between $300 and $500.
  • You might be able to save some money by overlaying an existing roof, instead of replacing it. But doing this can lower the lifespan of the new roof and could void warranties you’d have on labor and materials.

If you need a quote to replace your roof from a reliable, experienced roof replacement contractor in the Austin area, Armadillo Roofing & Exteriors is your answer. We’ve been providing quality roofing services to the Austin area since 2001. Give us a call at (512) 333-7663.


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At Armadillo Roofing - we provide quality commercial roof repair, commercial roof installation, metal roof restoration and residential roof installation services for Austin, Texas and the surrounding area.

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