How to paint with linseed oil paint

Painting with one coat on sawn, untreated wood

This simple, labor-saving treatment was developed as an alternative to painting with calcimine paint, especially in weather-exposed and humid environments.
The method emerged because calcimine-painted buildings on Sweden’s Scanian plain required annual painting maintenance. Helped by the wind, the rain and soil whipped against building facades, and eroded the calcimine paint. Twenty-five years ago, Ottosson Färgmakeri developed a recipe with better resistance to degradation, and now we have references to prove the paint’s capabilities over long periods of time.

The substrate must be a newly sawn panel, which has not been previously treated with oil or paint. The colors with which we have the longest experience are red and black, and this is in line with the most common calcimine colors.

The paint is based entirely on linseed oil as a binder. The basic idea is to meet all the requirements for a satisfactory painting result in a single application. This means that the paint must penetrate for deep protection of the wood substrate while also binding the color pigments to the surface. The paint coverage must be so good that the surface requires only one coat, and the final finish must be matte.

Follow these instructions:

Choose one of our standard colors and mix as follows:

50% volume linseed oil paint | 40% volume raw linseed oil | 10% volume gum turpentine.

Mix the color ingredients until the color is homogeneous. It is absolutely necessary to ensure that the liquid has not separated into thin linseed oil on top and paint at the bottom. Repeat stirring from time to time during the painting process to prevent sedimentation. Apply the paint in a relatively generous and even layer. It is important to paint “wet on wet”, that is, not to go back and paint on semi-dry paint. Doing so can cause shiny spots in the repainted areas. During the drying process, the substrate absorbs the paint for about 24 hours and the paint dries to a matte gloss.

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