Mapei Planitop® EL is a self-leveling, Portland-cement-based underlayment for interior and elevated exterior areas where worn concrete is an issue. It installs from 1/4" to 2" neat, is traffic-bearing and has low shrinkage.
It can be used in elevated exterior areas without freeze/thaw exposure. Because it gives a non-uniform finish, it is not recommended as a decorative topping.