This detail shows ceramic or stone tile adhered to a concrete substrate with a cementitious bond coat. If specified, a compatible waterproof membrane may be applied over the concrete. Expansion joints in the floor assembly must be provided at locations shown by the design professional. This detail is based on the Tile Council of North America (TCNA) Handbook methods F122 (for on-ground concrete) and F122A (for above ground concrete). Details that show different or modified concepts or methods can be of equal validity and should not be excluded from consideration. This detail shall not be used for construction without the approval an signature of a licensed design professional. The person using this detail shall be responsible for its complete design and proper application.