1 Additionally, the homeowner must include another $5 to $10 per square foot for installation fees as well. 2  This means that a mid-range cost for a floor-only installation would run the homeowner around $715. Additionally, the homeowner must include another $5 to $10 per square foot for installation fees as well. 2  This means that a mid-range cost for a floor-only installation would run the homeowner around $715.