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.
PRICE PER SQUARE FOOT: $3.25 to $5.25 (for plain concrete depending on the size and complexity). Decorative Concrete Costs: 1  Decorative Concrete Cost. 2  Stamped Concrete Cost.3  Stained Concrete Price. 4  Concrete Driveway Cost. 5  Concrete Patio Cost. 6  Walkway Cost.ecorative options such as stamping (see stamped concrete cost), staining (see stained concrete cost), and special finishes will add significantly to the cost of the project. For plain concrete, you can expect your price to fall somewhere between $3.25 and $5.25 square foot depending on the project size and complexity.