Medium: Steel Shingles Starts $5,100-$22,000+ For an Average-Sized Roof
High: Aluminum Shingles Run $12,000-$24,000+ For an Average-Sized Roof
Metal roofing materials can be created in large sheets, or in individual shingles or panels designed to simulate the look of a roof of asphalt shingle, clay tile, stone tile, slate or wood. A metal roof is lightweight, durable, fire-resistant and does not rot. It's also considered relatively environmentally-friendly because it can be recycled. While metal roofs are pricey, they can last anywhere from 50-75 years or more with little maintenance.
Typical costs:
Installing interlocking steel shingles starts around $3-$7.50 a square foot (for labor and materials), or about $5,100-$16,500 for professional installation on a one-story ranch-style house with a gently sloping roof of 1,700-2,100 square feet. Installing more corrosion-resistant coated-steel sheets (called standing seam roofing) starts around $7-$10 a square foot, or $11,900-$22,000 for an average ranch-style home. A more complicated installation project -- a roof with an extremely steep slope, lots of skylights or other architectural features, and/or many different levels and angles -- could be $12-$15 a square foot or more.
Interlocking aluminum shingles start around $7-$9 a square foot for labor and materials, or $11,900-$19,800 for a typical ranch-style home. Aluminum standing seam roofing (panels) start around $9-$11 a square foot, or $15,300-$24,200 for a basic ranch-style home; costs can go up to $12-$15 a square foot or more for complicated installation projects.
Copper is the most expensive metal at $11-$12 a square foot just for the roofing material; with installation it can run $15-$18 and up per square foot, or $25,500-$39,600 for a basic single-story ranch-style house, with the price going up for complex installation work.
These prices typically cover installation only; the cost for removing and properly disposing of existing roofing shingles starts around $3-$5 a square foot or $510-$1,100 for a basic ranch-style home -- and costs go higher depending on the type of materials being removed, the location and the difficulty of the removal project.
ImproveNet.com provides an online roofing calculator[1] .
Because of the slope, a roof generally has a larger square footage than the house it sits on -- a 1,500-square-foot home could have a 2,100-square-foot roof. Building materials are usually sold by the "square" -- enough to cover 100 square feet -- and it's customary to include an extra 10 percent for waste on a simple roof, and 15 percent extra for a more complicated installation.
Metal is a particularly good choice for a house in a snowy region, but is also desirable in other areas. For "standing seam" roofs, one large sheet is joined to the next using an interlocking, water-tight system that can be visible or concealed (a hidden system is more expensive). The Metal Roofing Alliance provides a photo gallery[2] of metal roofs as well as an explanation of the different types[3] of metal roofing.
Installing a metal roof is generally considered "professional grade" work and not a do-it-yourself project. EasyMetalRoofing.com gives tips for metal shingle installation[4] and BobVila.com shows the basic installation process[5] for standing seam metal roofing fabricated at the job site.
Shopping for a metal roof:
The Metal Roofing Alliance provides a list of manufacturers[6] and referrals to contractors[7] . The National Roofing Contractors Association provides a general guide[8] for buying a new roof, as well asreferrals[9] to contractors.
Get estimates from more than one metal roofing contractor, and ask for (and verify) references. Compare the details of each quote, making sure the materials used and specific work included is the same. The California State License Board gives tips for hiring a roofing contractor.
Check to see if the company is licensed in your state.
A written contract should include a detailed outline of the work required and materials used, dates within which the project will be done, and a payment schedule.
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