This document provides an overview of finishing materials for interior spaces, including categories, characteristics, and selection considerations. It discusses floor, wall, ceiling, and sourcing materials. Floor finishes include stone, wood, and metal. Wall finishes range from cement textures to translucent paints to mosaics. Ceiling finishes are also discussed. Sourcing materials involves finding inspirational options from specialist suppliers that align with the design concept. Practical considerations must be balanced with aesthetic goals.