Glaze (painting technique)

Glaze ( borrowed from Latin lasurium, blue stone, lapis lazuli see ) denotes a transparent or semi-transparent coating on wood, canvas, cardboard or paper and a thin spread of translucent paints. In ceramics and paintings, the glaze is made ​​with other materials, such as water colors, oil colors or tempera. The term glazing refers primarily to film-forming binder layers, the same in aqueous technique is maneuvering.

Not to be confused with the glaze, the " glassy " or " glassy " surface coating.

Glazes on wood

• Thin glaze is to process less comfortable due to their water-like consistency. After application, but it may just penetrate deep into the wood due to its consistency and quasi protect it from the inside. Thin glaze weathered exterior by washing and fading. Subsequent coats are required. Typical applications include fences, buildings, and how any exterior wood. Inner thin glaze is rarely used due to the solvent content and the odor as well as the uncomfortable processing.

• Dickschichtlasur has a consistency like paint and has very similar properties. It rests on the surface of the wood, where it forms a continuous layer. It is used outdoors, but is more often used indoors. When weathering Dickschichtlasur fade not only but also from scrolls. This makes subsequent coats are more difficult. In order to achieve a flawless uniform scratch result, old coatings must be completely removed. Typical applications include windows, doors and other dimensionally stable components where a decorative appearance is desired, furniture or paneling / wainscoting.

A reworking of thin glaze with Dickschichtlasur is possible and common, not vice versa.

In commercial products are now offered, which form a mixed form of thin- and thick-film glaze. Ease of installation and decorative surface finish are combined with the impregnating and coloring effects.

Ecological and thus pose a health risk variants are based on linseed oil and are mixed with pigments. The thus treated surfaces have the advantage that they remain largely open-pored.

Varnishes on mineral substrates

Mineral plasters, masonry or concrete can be stained as well as colored wood. Most are film-forming binder, only bonded with silicate glaze silicified with the ground.

Glazing technique in painting

True glazes can be found here only in watercolor, tempera technique and particularly in oil painting because it requires absolutely transparent colors are needed. In the latter case, the translucent layer behaves ( after drying of the surface) similar to an overlaid colored thin glass plate - the resulting color mixing is ideally additive, it can also arise and hologram-like effects. The only truly transparent " color" eg in the acrylic technique, however, is a transparent, colorless paste. Acrylic glazes can only be achieved by the color of the background only partially covered ( note glaze ).

Here the color ( color pigments with binder) is applied with a solvent, for example water, heavily diluted on the canvas ( canvas, paper, wallpaper). This layer must be thoroughly dry before another is applied. The color layer each underlying seems then through the top object. Any number of layers can be applied. Is always the same color used arise depending on the order different light-dark elements. The color is intense. For an order different colors, new hues.