The maximum thickness for decorative concrete can vary depending on the specific application and design requirements. In general, decorative concrete can be applied in thicknesses ranging from 1/8 inch to several inches or more, depending on the specific decorative technique being used.
For example, stamped concrete, which mimics the look of brick, slate, or other natural materials, is typically applied in thicknesses of 1/4 inch to 1/2 inch. Stenciled or engraved concrete may be applied in thicknesses of up to 1 inch, while a hand-troweled decorative overlay could be applied up to several inches thick.
It’s important to note that thicker applications of decorative concrete may require additional preparation and reinforcement, such as the use of steel or synthetic fibers, to ensure adequate strength and durability. Additionally, thicker applications may also require more time and resources to install, which can impact the overall cost and timeline of the project.