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.
The overall cost of a concrete patio depends on the design and size of the patio. Prices usually start at around $6 per square foot up to $10 per square foot for a basic design without any colors or special designs.Adding colors or a pattern to the design can increase the price to $15 per square foot.hose opting for hand coloring, unique angles or a special design will see the price rise to more than $15 per square foot. The average price that homeowners pay for a concrete patio is around $2,800 to just over $4,000, but some homeowners report spending as little as $1,000 or as much as $6,500.