- Detail
- 3D Model
This detail shows a 2 cm (3/4 in.) thick dimension stone adhered to cementitious backer units (CBU) over a wood substrate with a cementitious bond coat. The CBU underlayment is adhered and mechanically fastened to the plywood subfloor. Expansion joints in the floor assembly must be provided at locations shown by the design professional. This detail is based on Natural Stone Institute’s interior stone paving detail, Thin Bed Mortar Over Typical Cementitious Backer Unit.