From the Ground Up: Painting Ground Lessons from 19th-Century and Modern Practice

The Painting Ground as Foundation

Imagine the first brushstroke meeting a luminous, smooth surface that seems to glow from beneath. That surface is the painting ground — often overlooked yet critical to the entire painting process. In reviewing recent technical studies of 19th-century painting grounds, we gain valuable insights that extend beyond historical curiosity. These findings serve as both a warning and a guide for artists today who wish to adopt traditional techniques or understand the shortcomings of commercial products.

The nineteenth century was a period of rapid change in the preparation of grounds. Increased industrialization brought commercial canvases to the market, but not without consequences. Similar issues persist in modern materials, making this topic essential for any artist concerned with the durability and optical quality of their work.

The Role of the Painting Ground in Oil Painting

Recognizing the central role of the ground in a painting’s stability and appearance, Max Doerner noted that it “has an extraordinary influence on the durability of the picture and the action of the colors” (Doerner, 1984, 8). He emphasized that even with the thickest oil paints, the character of the ground strikes through. A clean white ground will lend brilliance; a poorly chosen or degraded one can muddy colors or cause long-term damage.

The function of a ground is threefold: to seal the support, provide a working surface, and influence the optical character of the painting. Artists of the Hudson River School, such as Frederic Edwin Church, took this seriously. They adjusted the tone and absorbency of the ground to support luminous glazes and radiant light effects (Zucker, 1999, 3–5).

Painting Ground Materials: Innovation and Its Pitfalls

During the 19th century, artists increasingly relied on colormen to supply prepared canvases. These suppliers experimented with additives to improve storage and drying time. Unfortunately, they often prioritized economy and efficiency over longevity. One consequence was the widespread use of driers such as lead acetate (also known as sugar of lead), which accelerated oxidation but later contributed to ground staining and delamination (Zucker, 1999, 11).

The choice of pigments in the ground also played a critical role. Zinc white, introduced in the 19th century as a safer alternative to lead white, was often used in ground layers. However, it is now known to form zinc soaps, which expand within the paint and cause cracking, ridging, and paint loss. A study of Silva Porto’s painting revealed extensive damage caused by zinc soap formation originating in the ground layer, especially where it filled the pores of a wood panel (Campos et al., 2016). Despite this, zinc white remains a common component in many commercial oil ground preparations today, where it is often combined with titanium dioxide. The exclusion of lead white in these formulations is largely driven by regulatory pressures and the commercial focus on hobbyists and amateur painters, who represent a larger market share than professionals.