Verputzte

Verputzte is a German term used in architecture and construction to describe surfaces, such as walls or façades, that have been coated with plaster (Putz). The plaster layer serves to protect masonry from weather, improve surface stability, and provide a decorative or smooth finish. The form verputzt (the past participle) is commonly used in construction documents to denote that a surface has been plastered.

Plaster materials used for verputzte surfaces vary by application and historical period. Lime plaster (Kalkputz) is traditional and highly breathable, making it suitable for historic masonry and exterior as well as interior walls. Cement plaster (Zementputz) offers greater strength and rapid drying, often used in modern construction. Gypsum plaster (Gipsputz) is common for interior walls due to smooth finishes and ease of work, while clay or render plasters (Lehm- oder Tonputz) are used in ecological construction. Plaster mixes can be reinforced with mesh or render carriers and applied in multiple coats, typically including a base coat and a finishing coat (Oberputz).

Exterior verputzte surfaces may feature various finishes and textures, from smooth coatings to textured or decorative renditions such as roughcast (Körnungsputz) or pebble-dash styles. Interiors often favor a smoother finish that can be painted or wallpapered, while unplastered masonry is rare in many climates.

Maintenance of verputzte surfaces involves repairing cracks, repointing damaged areas, and reapplying plaster when adhesion or weather resistance deteriorates. Proper material compatibility and breathable substrates are important to prevent moisture issues and ensure long-term durability, especially on historic buildings.