krakelister

Krakelister is a term used to describe a specific type of crack pattern that can appear on painted or varnished surfaces. These cracks are characterized by a network of fine, irregular lines that resemble crazed pottery or the surface of an eggshell. The term itself is a portmanteau of "krakeler," a French word for crackling, and "lister," referring to a list or pattern.

This phenomenon is typically caused by a mismatch in the properties of the different layers of paint or varnish applied to a surface, or by environmental factors. For instance, if a flexible coating is applied over a rigid one, or if there's a significant difference in the expansion and contraction rates of successive layers due to temperature or humidity fluctuations, stress can build up. When this stress exceeds the adhesive strength of the layers, the topcoat begins to fracture, forming the characteristic krakelister pattern.

Krakelister can occur on various substrates, including wood, metal, and plaster. It is often observed on furniture, artwork, and architectural elements. While sometimes considered an aesthetic defect, in certain artistic applications, krakelering is intentionally induced to create a distressed or antique appearance. This is achieved through the use of specialized crackling mediums or varnishes that promote the formation of these patterns. The appearance of krakelister can vary greatly in size and density of the cracks, depending on the materials used and the conditions under which they are applied and aged.