1 Confirm that the metal roof you select is a painted or coated Energy Star-labeled metal roof and obtain certification from your contractor or the manufacturer.  Have the metal roof installed between January 1, 2009 and December 31, 2010.
1 A plain concrete walkway costs $4 to $6 per square foot. 2  Adding a single color or simple finish to the concrete raises the price to $6 to $10 per square foot. Expect to pay $8 to $12 per square foot for multiple colors or more elaborate patterning such as stamping or engraving. 2  Fully-custom walkways with a high level of hand-applied details (such as chemical stains or stenciling) cost $12 to $15 and up.
Pricing varies by location, of course, but for rough estimating of concrete walkway cost, professional jobs range from about $6 to upwards of $12 per square foot.Because the cost of the concrete itself is relatively constant, what really adds to the cost is the finish.ricing varies by location, of course, but for rough estimating of concrete walkway cost, professional jobs range from about $6 to upwards of $12 per square foot.