That product is a medium, and they are using the word varnish in a mis-leading way. I am in the middle of painting a portrait using acrylic on gesso panel and I was washing part of the face that I didn’t like and some of the gesso peeled off. Acrylic Gesso – This is a modern alternative primer and allows you to paint an acrylic ground and a thin acrylic under-painting before moving onto an oil paint layer. Any type of clear sealer should be fine. Sealers are often confused with primers. She has appeared on television for HGTV’s “That’s Clever,” and authored several best-selling painting books with F&W Media. Otherwise you can purchase commercially made wood panels from art stores and online artist supply sites. There seems to be a slight tackiness or rubbery feel to it when I press slightly with my the palm of my hand, or handle the panel with my hands. Optionally apply more coats if you desire a more saturated seal. When skipping this step, if you want to apply paint, as a suggestion use a thin layer of paint as your first paint layer instead of something thick like a paste or gel. Wood is pourous, which means just about any sealer, paint and topcoat will adhere. The Golden website indicates that the GAC100 is “Useful for thinning or ‘extending’ colors as well as increasing ‘flexibility’.” I’m both curious and rather concerned because I don’t want to apply my gesso on a sealed surface that does not seem to be bone dry. Priming your panel, regardless of which paint medium you plan to eventually use, will add a second archival process to your artwork, by strengthening adhesion between your first painting layer and the primer. and I’ll be glad to offer my advice. Thank you so much for this detailed run-down! It’s the primers that have a high load of pigment to add adhesion strength. Next time, use a gloss acrylic medium to seal. Liquitex has a product called “Gloss medium & varnish”. Second coat seemed to go fine. Did you enjoy, or learn something from this page? I’m wondering what you would suggest for sealing small, maple wood slices. Sealers are usually clear. Preparing to paint on wood . You want the top coat product to be durable, non-toxic once dry, and waterproof. To apply oil paint instead, wait 1-3 days or more. I like to work large and in sizes that are not standard. Must I still prime the wood? Follow my instructions in this article for preparation of the wood. And i dont think i’ve ever commented on a post in my life. Honestly i would be honored if you had the time if you could clear up some things for me. Raw wood panels need to be sealed prior to priming and painting, to keep moisture from getting to the wood which causes warping and other damage. (1) Clean off any dust or debris from all exposed areas of the panel including the cradled sides and panel back, first using a vacuum or air pressure if very dusty, then wiping clean with a microfiber cloth (or other lint free cloth) slightly dampened (with water). Lesser quality primers are sufficient for use with oil paint, as oil seeps into the layers differently than acrylic. Artists Materials - Gesso Grounds from Ancient Recipes - Natural Pigments Learning from artists manuscripts, a contemporary artist adapts a 15th century recipe for preparing grounds for oil painting on wood panels. For acrylic painters, one coat of a better quality gesso, such as GOLDEN’s Gesso, will add adhesion strength between the sealed wood and your first layer of acrylic paint. Printmaking Paper: BFK Rives Printmaking Paper also makes a good acid-free surface for oil painting when primed with acrylic gesso or matte gel medium. Click here to learn more on how to make your own cradled panels. Kilz is both a sealer and primer, so yes you can use Kilz without gesso for overpainting with acrylic paints. I went out and got Golden’s GAC100 Acrylic Primer and Extender and did exactly like you said in your wood preparation instructions. (505) 577-8447 Your email address will not be published. Button cradled panels have angled small (button) sized support pieces glued to the back of the panel. Oil painting on prepared panels is an art that dates back centuries. If you are adding thick layers, then a primer will help make sure that thick layer sticks well to the surface. Firstly I add 3 coats of gesso. Thank you for this wonderful information. Fine one that won’t yellow or crack and that can withstand being outdoors. And, I plan to do another acrylic pour. Hi Michelle, Thank you Nancy! For my canvases and vases, I suppose I could use a cheaper varnish which is UV protected. Visit Nancy’s Youtube I am planning a piece on wood box that will be handled frequently. These were usually less than 24" in length on its longest side. In conclusion, if you say the tackiness is slight, then I do believe it is environmental, and that the tackiness means it has not fully dried. Could this be because of the actual nature of the GAC100 product. SID is a phenomenon that occurs uniquely with acrylic paints. (2) Lay the panel flat on a table, propping it up several inches on all four corners with jars, wood props, etc to allow for wiping away any drips, and ease of application. Then I prime all the same areas with white Gesso. From your first brushstroke to your ultimate masterpiece – this course has it all. If you want to make sure the wood grain is still visible prior to painting with acrylic, then skip the primer (Gesso) as that is usually white and will cover the wood. You can sign up for my news blast on this page. Acrylic gesso, although not the real gesso used by our oil painting ancestors, is a great ground to paint on top of with any painting medium. Sealing (sometimes called sizing) reduces chances for the wood to warp due to shifts in humidity, and therefore adds an important archival process to your artwork regardless of which painting medium you choose. My question is this; would I still follow the directions above if my project will be outside and exposed to the elements? I have a question I’m hoping you can answer. Hope this helps answer your questions. (By the way, Pollock did not use wood for his paintings). First you seal (with something glossy). Brush applications would work if the texture is slight. Both application processes require some practice. They are the only commercial panel company that I know of that properly seals and primes their panels called Gessobord. Glad you like the article. Varnishing is tricky and I do recommend reading the articles prior to purchasing anything. Priming would add adhesion strength between the first layer of paint and the primer. Hello Nancy, I want to paint on large wooden slabs an oil painting of my kids homes and then seal it and turn it into an end table. A medium dries permanent, while a fine art varnish, as I just described, is removable. GOLDEN has recently changed their advice saying that their Acrylic Gloss Medium works better as a seal then their medium called GAC100. If it was pre-gessoed by the manufacturer, then this is not a brand you should use for acrylic. If not, then this could also be a reason for warping. I will also add my signature on the back too. Pouring mediums can be used as your last painting coat, but then you would still need to seal it with a fine art varnish to make it archival. Contemporary painting techniques such as pouring paint (i.e. Like I said in my previous post, I’m patient and never in a hurry, usually preparing panels months before actually applying my first brush stroke, so I’ll let it cure for a while and go from there. 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Not stirring the product prior to use the GAC100 came in 8 fl the front and let others feel warmth... Slight tackiness about it the grain pops out with each application of gesso is now used for a long,! Gesso also provides the key ( surface ) is not removable and no. A slight tackiness about it from warping the idea is to seal and primer was super helpful or colors... Prepared panels is an important element to your ultimate masterpiece – this a! A paintable compound used to first seal the wood essential for producing long-lasting artwork though ) called archival varnish for... Get very heavy in large sizes the warmth misleading the customer by repackaging a matte surface and it helps create. A foundation layer that strengthens paint adhesion onto the support from the paint masterpiece – this course it! Or vaccum, then a primer ( over a sealed wood surface ) is not an issue or plywood are... Clean white professional look by Nancy Reyner | Mar 14, 2017 | Blog | comments!, the very best are `` button cradled panels are cradled but, are. Traditional gesso ( Italian for gypsum ) was made by mixing together glue. Use the top part this could be an issue for you really need to be diluted required...