Heath Artist Crackle products are innovative and very easy to use. The Palette Knife Crackle used in the Old World Art video and the Old World Brick video can be used over the basecoat known as "Stone Coat" or it can be used over Heath Crackle Size. Palette Knife Crackle and Clear Crackle can also be used over crackle size or for smaller crackes, mix Heath Art Prime about 60% to 40% Heath Crackle Size and put the crackle products over this base coat. Visit our Crackle Page for more information on how to use Heath Crackle Products.
Crackle Products
Our crackle products are all acrylic water-based crackle mediums that may be tinted or color washed to achieve the desired color. These crackle products are designed to be used over Heath Crackle Size. The Crackle Size is applied first by brush, spray or rolling, allowed to dry for at least one hour (more or less depending on conditions), then one of the crackle products may be applied over the top. As with all our crackle products, applying the size fairly thick will help with the crackle process, resulting in larger cracks as thinning the Crackle Size with water and applying a thinner coat will tend to yield small cracks. The four primary factors that affect the size of the cracks on all our crackle products are...
1) the thickness of the Crackle Size 2) the thickness of the coat of Crackle product applied 3) the drying conditions 4) the direction the Crackle product is applied Applying an average coat of Crackle Size, allowing it to dry and them putting on a very thick coat of the crackle in an environment of warm circulating are will provide large obvious cracks. If brushed, the crackle products tend to crack more in the linier direction of the brush stroke. It is for this reason that we often recommend stippling or pouncing the crackle on in a very thick manner. It is strongly recommended that numerous samples be created before going "live" with any of these products.
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