The spray deck cost per square foot for plain-jane spray on coating on concrete that needs minimal to no work is $3.50. It gets up to $9-12 per square foot if you’re doing a flagstone pattern or something fancy with it.
Additionally, a texture-deck finish, that is used to add various colors to the surface, runs from $4-6 per square foot.
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What is the Spray Deck Cost Per Square Foot?
If you are going to be charged $9.00 a square for Kool Deck topping then you should ask if its plain or for concrete with Kool Deck. That price is quite reasonable if it is with concrete, but if without concrete, it is not a good price.