Plaster has been decorated with paint since its earliest known usage back in 7500 B.C. Jordan. The rather simple mixture of lime powder, crushed limestone and water was used to achieve smooth walls for interior wall decoration. Ancient Egyptian builders employed calcined (heated) gypsum into their plaster, which improved the
It’s been a problem for a very long time. At least according to the historical record. Blotchiness. Sinking in. Dead spots. For oil painters these are well known terms, conjuring up images of skin disease as much as painted surfaces, but whatever words are used the implication is clear – it’s
When it is important to know how much paint will be needed to complete a painting, as in the case of a mural or large painting, or simply priming a large surface, there are a few ways to estimate how much your tube, bottle or jar of paint will cover
GAC 400 is used to stiffen fabric or paper made from natural fibers. It is a water-borne acrylic that dries to a hard, stiff film. One good coat that soaks in well should be enough to stiffen the material. It can be used to replace rabbit skin glue for stiffening
When first painting with your watercolors outside, there are a few things you will definitely need, and other items that can ease your way: paint, a mixing surface or palette, water and water container, a brush, and watercolor paper on a support of some kind are the minimum things you
Oil painters concerned with fat over lean will often turn to information about the oil absorption values for particular pigments as a way to compare how oily or lean certain colors might be. However this has led to many misconceptions and outrightly wrong conclusions which seem to persist in various forums
We are surrounded by units of measure we rarely give a second thought to; common scales and rulers that parcel out the world in units of ounces and inches, meters and miles. But alongside these are others we rarely use, or could easily explain in any precise way, such as
Large paintings present an increased difficulty level when it comes time to apply an “isolation coat” or a varnish layer. Spraying in lieu of brushing makes sense when a smooth, defect-free surface is desired. After all, there are reasons vehicles are spray painted instead of using a brush! While one
Dibond is a trade name for a type of painted aluminum composite panel made by Alcan Composites. There are other brands and types of Aluminum Composite Panels that may have a bare aluminum side or different types of coatings, which may require different surface preparation. Dibond panels are made with
Any Matte or Semi-Gloss medium or Gel Medium can impart a waxy look. The specific manner in which it is applied can also increase or decrease this effect. It can be helpful to test with several mediums or gels on sacrificial pieces until you get a feel for the mediums or
