The price of the material is the starting point, but other factors also must be considered. One is the condition of the existing roof if you are remodeling a house—if old materials must be stripped off, and if the supporting structure needs repair, that will all cost money.
A gable roof with few or no breaks in its planes (like chimneys, vent pipes, or dormers) makes for a simple roofing job. A house with multiple chimneys, intersecting rooflines (the points of intersection are called valleys), turrets, skylights, or other elements will cost significantly more to roof.
Consider the following options, then talk with your designer and get estimates for the job. Asphalt Shingle. This is the most commonly used of all roof materials used by roofers, probably because it’s the least expensive and requires a minimum of skill to install. It’s made of a fiberglass medium that’s been impregnated with asphalt and then given a surface of sand-like granules. Two basic configurations are sold: the standard single-thickness variety and thicker, laminated products. The standard type costs roughly half as much, but laminated shingles have an appealing textured appearance and last roughly half as long (typically 25 years or more, versus 15 years plus). Prices begin at about $50 a square, but depending upon the type of shingle chosen and the installation, can cost many times that.
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