$6,500
1 Do-it-yourself materials to install an asphalt shingle roof on an average one-story ranch-style home (with a gently sloping roof of 1,700-2,100 square feet) can run $680-$3,700, depending on the quality of the materials. 1 A professionally installed steel roof can be $5,100-$22,000 for steel roofing on a simple one-story ranch-style house; aluminum runs $11,900-$24,200 for the same roof; and copper jumps to $25,500-$39,600. 1 Liquid roofing is rolled onto a clean and prepared rooftop with a paint roller at a cost of about $600-$900 for a single-wide mobile home or $1,400-$1,800 for a double-wide unit and is designed to last about 10 years. 2  The liquid rubber must be installed on a mild, dry day and allowed to dry for several hours. 1 If polystyrene insulation is to be used under rubber membrane, expect to pay an extra $500-$700 for a single-wide mobile home or $1,400-$1,800 for a double-wide unit, depending on size. 2  DIYers will need a variety of tools for the different roofing projects. Just because your roof springs a leak doesn't mean you need to call a roofing contractor right away. It's important to distinguish the cost of a new roof -- almost $6,500 on average -- versus the much more affordable $550 to repair a roof. 1 Cost: A DIY asphalt roof installation on a standard ranch-style house costs from $680 to $3,700, depending on the size of the roof and the quality of the materials. 2  Professional installation can cost between $1,700 and $8,400. 3  Wood Shake -- This is a gorgeous but high-maintenance option. 1 It is a popular choice for larger houses of about 3,000 square feet. 2  Cost: A 2,000 square foot home will cost from $17,000 to $84,000 to roof in slate. 3  If 3,000 square feet or more, cost can range from $27,000 to $120,000, depending on the site location and the complexity of the job. 1 Cost: A DIY asphalt roof installation on a standard ranch-style house costs from $680 to $3,700, depending on the size of the roof and the quality of the materials. 2  Professional installation can cost between $1,700 and $8,400. 3  Wood Shake -- This is a gorgeous but high-maintenance option. Metal roofing is the most expensive and can cost up to $30,000-$40,000 for large roof replacements. The quality of the roofing material will also determine the cost of roof replacement. For example, asphalt shingles can cost anywhere from $50 for average quality to $150 or more for the highest quality (per square). Pitch is a measurement of how high the roof is versus its length. 1 Cost: A 2,000 square foot home will cost from $17,000 to $84,000 to roof in slate. 2  If 3,000 square feet or more, cost can range from $27,000 to $120,000, depending on the site location and the complexity of the job. 1 Cost: A DIY asphalt roof installation on a standard ranch-style house costs from $680 to $3,700, depending on the size of the roof and the quality of the materials. 2  Professional installation can cost between $1,700 and $8,400. 3  Wood Shake -- This is a gorgeous but high-maintenance option. 1 Rubber mobile home roofs are created by stretching a thick blanket-like membrane over an existing roof at a cost of about $1,175-$2,295 in materials for a single-wide and $1,595-$3,610 for a double-wide, depending on size, manufacturer, shipping distance, pitch of roof and number of vents. 1 If polystyrene insulation is to be used under rubber membrane, expect to pay an extra $500-$700 for a single-wide mobile home or $1,400-$1,800 for a double-wide unit, depending on size. 2  DIYers will need a variety of tools for the different roofing projects. However, such a roof typically only lasts from 15 to 30 years, depending on the quality of the materials. The average cost of asphalt shingles is $0.80 to $1.20 per square foot for materials alone, or about $100 to $200 per square, at the time of publication. Adding installation puts the price at $275 to $450 per square. A 2,400-square-foot roof will cost from $6,600 to $10,800.  1 Metal roofing materials cost about $1,000-$2,000 for a single-wide or $1,800-$3,000 for a double-wide, depending on size of unit and manufacturer and are designed to last a lifetime. 2  Metal roofs may be installed over an existing roof with or without a DIYer adding insulation in between. 1 If polystyrene insulation is to be used under rubber membrane, expect to pay an extra $500-$700 for a single-wide mobile home or $1,400-$1,800 for a double-wide unit, depending on size. 2  DIYers will need a variety of tools for the different roofing projects. But your location also plays a factor. Just like real estate is more expensive in certain parts of the country, so too does the cost of roof repair vary by location. People in New York (one of the more expensive regions) can expect to pay $12,000 - $14,000, on average, for a complete roof replacement job. People in the Midwest might pay $7,000 for a new roof. So location has a lot to do with it. According to Remodeling magazine's 2008 Cost vs. Value Report, homeowners in the United States pay $18,825 on average to replace a roof. This number is based on the use of asphalt shingles. 
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average cost of putting on a new roof