If I use an isolation coat, will this prevent the runnage? Some polymer painting mediums like the Liquitex Gloss Medium and Varnish can be used for both. Spraying is not an option. Hope this helps. Copyright © 2012-2021 Will Kemp Art School | All rights reserved |. Hi Paul, The isolation coat ideally needs 24hrs, a polymer varnish could be touch dry within an hour, good luck with the submission. You can get water-based floor varnishes but I’ve found these can stain more easily and if the surface of the table ever needs cleaning with stronger products that are bleach based the water-based varnish can easily mark. I have never done the isolation coat but I am going to look into that next time i varnish. Will, Hi Will, I am in a right stew here. I have just finished an acrylic painting for my granddaughter and put Damar varnish on it to protect it – now I am reading from your column that you need to put an isolation layer before the varnish. The Golden polymer varnish is a nice varnish, it is a removable varnish, as all good varnishes should be. What would you recommend for varnishing something of this size…bearing in mind the usual school budget restrictions! Hope this helps. For Acrylic paintings which would you recommend, Matte of Gloss varnish? Do you think this could have caused this? Thanks! I have been trying to make use of this using matt for the distance and gloss for the foreground, but I read on your site here that your paintings should be either all matt or all glossy. I really hope I’ll be able to find a spray varnish around here.. Should I spray in one direction only or it doesn’t matter as long I’ll be able to cover the whole canvas? I use Winsor Newton Artists Gloss Varnish. I touch briefly on the pros and cons of a sponge on this article: Q. When a permanent gloss sheen is on a pigment it looks richer and more saturated. Thanks for your advice Lisa. Think of it like laying a sheet of glass over your painting and then painting a varnish ontop of the glass, it couldn’t take off what’s underneath the ‘glass’. Note that adding a glossy varnish can make translucent polymer clay seem more clear. I want my painting to have a slightly aged look. I have a pretty decent ceiling fan for humidity etc but still obviously cautious of the steam affecting the painting overtime. If so do you have a varnish you would recommend. With this in mind, I typically use gloss for isolation coat and initial coats of varnish. I know this article is based on acrylic paints but my question is in regards to applying varnish on a canvas print. Use a quality paintbrush here to minimize bubbles and avoid bristles falling out. This is a tricky one as most varnishes will always have a tendency to stick when rolled, I’d suggest trying a sheet of thin silky fabric laid onto the piece of faux leather before rolling. When a solvent is used to dissolve the varnish, the isolating layer will prevent it from reaching the paint layers, where damage could occur. I find this an outstanding website! Have you applied an isolation coat or painted straight ontop of the paint surface? It was a big help. I have used metallic acrylic paints in some of my pictures, would you recommend a satin or a gloss varnish? Hope this helps. Been drying 20 hours. Thanks! Also would the varnish cause ink to run on application? It is a removable, non-porous final varnish designed for use with oils and acrylics. Two to three coats should provide substantial coverage although more may be applied if necessary. Hi I used up my satin varnish on a painting I did in two light coats but it is patchy in the light. Hello Will, I am a professional artist typically working with oils. Will, Thank you Will. 1. For rolling in a heavy duty mailing tube below are the packaging guidelines from the Saatchi Gallery that you may find helpful. The biggest difference will be the potential yellowing of the Matt non-removable acrylic varnish, if it is not an archival artist varnish. This way there will be an additional protective layer on the miniature under the polymer layer that can be removed if you wish. Hope this helps. They're all good depending on the finish that is best for your particular painting. Thank you! I will need to add a varnish over the paint to protect the work as I would like it to be displayed outside for a year. Varnishing is up to the individual, it does add a higher level of protection, but you can always add a coat of varnish on top of the Golden Gel Topcoat if you change your mind in the future. Then paint your oil paint and apply a coat of removable varnish, such as Soluvar from Liquitex. I also put a layer of varnish or two on top of my pieces when I am done. Another question, I am thinking of making prints of my art work to sell and wonder what you think of that and do you have suggestions on the way to do that? HI Will, Yes you are right, that’s what I thought as I am not used to working with the isolation coat or varnish, I do need to practice with some smaller pieces first. As for my previous poster color work, I think it makes sense to save the ones that are still decent and repaint on the ones that cannot be saved. I noticed a subtle texture on the foam which made an imprint through the plastic onto the surface of the varnished painting; similar to what bubble wrap can do (which I know not to use). %���� Hi Judy, varnishes can vary depending on manufacturer and how thick you apply the varnish. hopefully? An isolation coat is used between the acrylic paint and varnish, but will still run if your paint isn’t fully cured. I was told I can do it myself… Eeeeee lol… Can you please recommend what would be the best way to do this? I think I will wait a day to let the first coat dry completely before I do the second – this time I will lay the gel on good and thick as you suggest. It was terrifying to think I had ruined my artwork. Thank you very much! The polymer gloss can dry off quite quickly when you’re working so appreciate it isn’t the easiest varnish to apply on larger areas, have you tried any of the MSA or Gamvar varnishes at all? Hi Will, I would like to know how long do you need between vanish coats …..I have been applying them as soon as my paintings feel dry but they seem to be tacky and some of them I completed months ago. 1) Can I apply the Spray varnish on-top of this Gloss Gel. This way you can judge the sheen you want, and if you want to get super specific you can get a tub of matt and a tub of satin varnish and intermix them untill you achieve the perfect sheen you’re after. Hope you’re doing well. I have an acrylic painting, I would like to highlight areas with a silver metallic pen to simulate chrome. Hi there. Hello! Thanks for posting it. Good news though, I applied another coat of varnish to the already varnished painting and it fixed the issue. I don’t want to use a gloss, as I don’t want a shiney/glasss effect to the painting. For an isolation coat I use ‘Soft Gel gloss’ diluted with water. Hi Anna, yes, the isolation coat would have to go underneath the varnish to separate the paint layer from the varnish layer. The use of such a removable varnish provides a valuable tool to anyone trying to restore or clean a painting.”. I saw the question from the fellow who does huge paintings where artist size products become ridiculously expensive. Also do I have to use an isolation coat with spray? Thanks, Connie. Learn how your comment data is processed. They all pretty much said same thing. Thanks a million!! See (How to apply an isolation coat to acrylics). As soon as the varnish is touch dry underneath you can spray ontop. Hi Will, Great news since I’ve already bought it on a recommendation of the sellerperson at a local store. Try a couple of test pieces, one with an isolation coat and one without to see which you prefer. Often with spray cans they need a really long shake before using (about 2 minutes) so the matting agent gets evenly dispersed. Hi Lina, the matte varnish would have been applied but would have looked like a matte sheen, it still would have been protected, just not a glossy finish. I need to preserve the beautiful colours of the book covers. I’ve never been in the habit of applying an isolation coat, and have got away with not doing so for the last 40 years or so – but I shall be applying one in future. I am at a loss now and very disappointed – my inexperience screaming at me now dammit!! Seal completely with tape. Please help me.. Could I very lightly sand it with very fine sandpaper and then re-varnish? Put a timer on your phone, anything to ensure you shake that can for … Hi Amelia, no you shouldn’t need an isolation coat, you’ll be good to go straight away with the Varnish, unless you want to remove and replace the varnish in the future. Will the paintings fade in few months time? The isolation coat is more for ease and smoothness of application of the varnish and removal of the varnish. Dr Lavers has given me some cigarette lighters that were responsible in part for the deaths of Laysan Albatross Chicks, just before they were due for their first flight. The Mineral spirit varnishes usually always dry to a harder surface than polymer varnishes or gels so would be less likely to tack up. If in future the varnish will need to be removed, taking away all the dust and dirt with it, and replaced with a fresh coat you need to be able to wipe the varnish back without disturbing the paint. I do apply an isolation coat first. 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