Keystone Kool Deck
Keystone Kool Deck comes at a slightly lower cost than other patio materials. It is installed over existing concrete. It comes in various colors, ranging from Aqua to Aztec Gold to Mauve, and the prices does not vary by color.
Cost: $10 to $12 per square foot installed; $3 to $4 per square foot for materials only
•Keeps patio cooler for bare feet
•Can be fashioned to look like flagstone, tile or brick
•Can be damaged if pressure washed under high pressure