Because it's dimensionally reliable and free of knots and patches, the inner core of MDO is dense and consistent, typically without significant defects. Tacoma, WA: Author. D., APA – The Engineered Wood Association, (2002) Structural Wood Panels and Formaldehyde. Tacoma, WA: Author. APA – The Engineered Wood Association, (2015) Formaldehyde and Engineered Wood Products. We have not tested staining the MDO specifically, we have tested it as a viable painting substrate for easel painting or for use with murals. Thinner panels have a tendency to warp and if you are using anything below ¾” (18mm) thickness, it should be braced in order to keep the panel in plane. When and Why to use MDO. We have not tested it with other traditional stains. MDO is produced with a high-quality thermosetting resin-impregnated fiber surface bonded to one or both sides under heat and pressure to create an exterior-grade plywood panel. If you have any additional questions you can contact us at help@goldenpaints.com. This should be allowed to dry overnight. In terms of sealing the MDO, for functional use, we would recommend finishing with something like a polyurethane to have a surface that can withstand repeated use and contact with objects. MDO is manufactured with waterproof resins that meet or exceed all veneer-grade, adhesion, and construction requirements. The resin content in the overlay of a MDO panel should help to reduce the appearance of Support Induced Discoloration (SID) by reducing the amount of water absorbed into the substrate. Sacramento, CA. Less primer is required than non-overlaid plywood. What separates MDO plywood from some plywood offerings is the overlay and its phenolic resin coating, which may additionally help to reduce the risk of surface checking over time and increase the moisture resistance of the panel. Before preparing a MDO panel for painting, if possible, it can be helpful to read the manufacturers specifications to see if the panel has been specially treated or pre-primed. For painting instructions for General Purpose MDO 1-Step, follow the paint manufacturer's instructions and see our Armorbond® 2-Step brochure. All Time Today Last Week Last Month. If you are finding a way to prepare plywood that works well for you and is smooth, then that is excellent, we are happy to hear you are finding success! A good option for exterior woodwork is MDO plywood, says Bob Vila. If you want to paint plywood, you'll first need to apply a primer. Panel Construction/Moisture Resistance: Pre-Primed MDO is a proprietary, thermo-set, acrylic, primed MDO which is applied to Douglas Fir/Hemlock plywood. To CA$177.98. ***We're migrating Jordan to his own "BUILD SHOW" Channel where we'll continue HIS series! Raw MDO Plywood Sheets; 1-Sided Paint (UV Painted 1-Side, Back Side Primed) 2-Sided Paint (UV Painted 2-Sides - Front & Back) Backs, Centers and Cores: Weyerhaeuser’s high integrity Ultra-Core™ construction features composed cross-bands for tight core gap tolerances more stringent than APA specifications. The U.S. Consumer Product Safety Commission. Page 1 of 3 1 2 3 Next > PHILPH Member. We hope this is helpful and if you have more questions, feel free to contact us at help@goldenpaints.com Retrieved from: http://www.arb.ca.gov/research/indoor/formaldGL08-04.pdf. Phenolic resin is highly compatible with wood based products and will quickly penetrate into and wet-out cellulose fibers in its liquid state, then cross-link and harden when thermoset under heat and pressure. Priming Both Side + CA$39.98. Like other types of wood, you need to sand marine plywood before you seal, stain, or paint it. MDO plywood offers a lot of benefits as a painting substrate, it has a smooth surface treated to extend its life outdoors and provide enhanced durability. We hope this helps, if you have more questions feel free to email us at help@goldenpaints.com we would be happy to discuss this further! Signready Painted MDO is a prefinished, high gloss MDO plywood with a 5-year limited warranty. Unfinished signs are available at a lower cost and faster turnaround time for the customer to paint. A., Ph. Recently, in some of our conversations with conservators we have found that cradling is no longer seen as favorable or “archival”. 7,479 648 113 Mar 12, 2005 New England. To get the MDO you could inquire at a local hardware store and see if they have it. This is designed to impart these structural benefits as well as improve resistance to surface checking or cracking. Discussion in 'Painters' Talk' started by PHILPH, Jun 14, 2013. Ebuka, D., Ezeh, E. C., Gimba, E.C., Mamza, P.A.P. MDO is medium density overlay it is a plywood with the top cord made out of mdf or medium density fiberboard which is very smooth and makes a nice sign . One thing to keep in mind about MDO; however, is that an overlay is typically used to upgrade panels that are of softwood construction. I don't want to see the wood grains when I am finished. If you have additional questions about MDO you can email help@goldenpaints.com or call 800-959-6543 and we would be happy to help. Understanding a little bit about how a MDO panel is constructed, the type of resin used and how the plywood is classified can provide some insight into why it might be an appropriate wood panel option. new posts. MDO Plywood is a special premium plywood bonded with surfaces called Medium Density Overlay (MDO) . MDO (Medium Density Overlay) is an exterior grade plywood, faced with a resin-impregnated fiber overlay. If you have any questions or comments about this article or any other paint related topic, please feel free to contact our Materials Application Department at help@goldenpaints.com or by calling 800-959-6543. Quantity. Watch Queue Queue. The overlay has a minimum of 27 percent resin to help it better withstand water, weather, and other forms of wear and tear. Pianoplywood 1250x2500 21mm Painting Mdo Combi Core Plywood Properties And Woodinville , Find Complete Details about Pianoplywood 1250x2500 21mm Painting Mdo Combi Core Plywood Properties And Woodinville,Painting Mdo Plywood,Mdo Plywood Properties,Mdo Plywood Woodinville from Supplier or Manufacturer-Shanghai Qin Ge Ceramic & Building Co., Ltd. If you are painting plywood to make art, consider purchasing acrylic primer and paints. It’s a preferred panel, therefore, for structural siding, exterior color accent panels, soffits and other applica-tions where long-lasting paint … Fort Lauderdale, FL. Of the two, the general MDO plywood would be best suited for painting. Manufacturing cost and emissions are also factors. The bond between the plywood and the overlay is also treated to the same standard as the bond strength between the layers of veneer. Thank you for your question. Filter. MDO or Medium Density Overlay is an exterior type plywood finished with an opaque resin treated fiber overlay to provide a smooth surface ideal as a paint base. Medium Density Plywood (MDO) plywood is produced with a resin-impregnated fiber overlay with just the right tooth for rapid, even paint application. We at GOLDEN really like Medium Density Overlay Plywood, because it has a resin coated paper overlay, which produces an exceptionally smooth surface that hides wood grain. Understanding the Techniques of Pouring Acrylics, Defining Warm and Cool Colors: It’s All Relative, Oiling Out and the Cause of Dead Spots in Oil Paintings, JustPaint.org Website Maintenance Required December 1, 2020, The Subtle Differences of Williamsburg Whites. Save my name, email, and website in this browser for the next time I comment. Raw MDO Plywood Sheets; 1-Sided Paint (UV Painted 1-Side, Back Side Primed) 2-Sided Paint (UV Painted 2-Sides - Front & Back) Backs, Centers and Cores: Weyerhaeuser’s high integrity Ultra-Core™ construction features composed cross-bands for tight core gap tolerances more stringent than APA specifications. If the panel is much larger than this, we recommend perimeter bracing and cross-bracing be applied every 12” (30cm). Hi, I have been using braced plywood painting panels for a few years and so far found no problems. Apply the First Coat. High And Medium Density Overlay Plywood Mdo Hdo For Signs And Painting , Find Complete Details about High And Medium Density Overlay Plywood Mdo Hdo For Signs And Painting,Mdo Hdo Plywood,Medium Density Overlay,High Density Overlay from Supplier or Manufacturer-Jiangsu Hanbao Building Material Co., Ltd. Medium density overlay panel or MDO panel, is a paintable surface made of plywood with a weather-resistant resin overlay bonded to the wood by heat and pressure. In our research we have not seen evidence of SID while using MDO plywood with acrylics; however, we cannot speak to the specifics of MDO from all manufacturers and we still recommend sizing as a precaution if there is concern. This is exterior-grade plywood that has been made with a resin-impregnated, high-quality thermosetting fiber overlay under heat and pressure. Really pleased with plywood as a substrate,no problems. The next day, remove the wood and the plastic from the surface and then allow the linen to dry for another day before trying to trim the edge. Most wood panel products are manufactured using either a urea formaldehyde or a phenol formaldehyde adhesive. A complete walk through of all the steps you need to take in order to obtain a really good paint finish on MDF. The overlay also helps prevent the incidence of surface checking, which can occur as a result of fluctuations in the relative humidity of the environment. With a few steps, the plywood paint job will last for years. Filtered by: Clear All. Here is are two Just Paint Article that goes in to more detail on preparing a panel for a life outdoors and a technical document on murals. Of the two, the general MDO plywood would be best suited for painting. Crezon Plywood MDO Sheets . It may be helpful, here is the link: Adhering Watercolor Paper to Panel Using GOLDEN Soft Gel. Ideal for sign making or any exterior application requiring a smooth surface. Would MDO provide a good substrate for mounting linen? For more information these Just Paint articles may be helpful: Crezon®/TwoStep® MDO is a premium, unfinished, paint grade, MDO plywood which provides a superior surface for finishing. (APA, 2011). jigngrub. (California Environmental Protection Agency, 2007) MDO products that adhere to the Voluntary Product Standard PS 1-09 for Structural Plywood put forth by APA – the Engineered Wood Association should meet these product standards and have a stamp to show compliance. Treated plywood is created using softer wood compared to the marine plywood, softwoods allow for excellent absorption of the chemicals which are responsible for the protection against mold and fungi. Doug Fir or White Wood B-B: This is also called face-back Marine plywood. When working with acrylics or waterborne paints on unprimed MDO plywood for interior use or panel painting, we recommend sizing with 2 coats of Gloss Medium or GAC 100 to block Support Induced Discoloration (SID). Painting Plywood for Outdoor Use. Stencil As a substrate, plywood has a lot of desirable qualities, many of which you highlighted in your comment. (APA, 2018)  These panels may still telegraph repairs or show evidence of voids, which would need to be addressed if an artist were using MDO for exterior works. MDO is produced with a high-quality thermosetting resin-impregnated fiber surface bonded to one or both sides under heat and pressure to create an exterior-grade plywood panel. Sorry for the delay in response. What would I have to do so that it ends up as a solid black coat without all the grains in … Doug Fir or White Wood ‘C’ Grade or better, 1 Piece (composed OK), BACK: Contact us with your order, pick-up date and payment preferences, and we’ll have it ready for you. 16pp. Priming Single Side + CA$19.99. When works are shipped for exhibition or relocated for any reason and there is a significant enough change in relative humidity, there can be a risk for the plywood to develop surface checking. Top Cover / Waster sheet – 2 Sides Fun Facts about MDO (plywood) Advertising: Many have probably heard of MDO, but are not sure exactly what it is. APA – The Engineered Wood Association, (1997) Plywood Design Specification. Dan MDO is an exterior grade plywood with a weather-resistant layer of resin-infused fiber that seals it from the elements. People often ask us what we would recommend as a wood panel option for use as a painting substrate and one that often comes up is MDO (Medium Density Overlay) plywood. It may even telegraph to the paint layers themselves. The MDO-Concrete Form … Selected Priming Options EDIT. Once it looks consistently smooth, you can lay another large piece of MDO or hardboard over the plastic sheeting on the face and then weigh it down. MDO (Medium Density Overlay) Plywood is available in a thickness of 3/4". Plywood that is enhanced with a MDO will combine the structural attributes of plywood with an upgraded facing that masks wood grain, increases durability and provides a smooth texture for easy painting. You would first apply what’s called an isolation coat. It is important to make note of how different manufacturers prepare an MDO panel by either pre-priming or specifying the need for appropriate priming before use. Working Faces/Treatment Pre-Primed MDO is available with 1 or 2 working faces. What is MDO? Typically, if pre-primed, manufacturers will apply a thermo-set acrylic to both the sides and working faces of a MDO panel, which will appear opaque and white. What are the Applications of MDO Plywood? Tacoma, WA: Author. Plywood is cut into almost any shape and absorbs paint quickly, making it easy to match any decor. Medium density overlay is a type of wood panel that is made using pressed plywood and a resin layer. Place the linen or canvas onto the surface, lightly smooth it out with your hands. (2014) Comparative Study Of Phenol Formaldehyde And Urea Formaldehyde Particleboards From Wood Waste For Sustainable Environment. MDO is produced with a high-quality thermosetting resin-impregnated fiber surface bonded to one or both sides under heat and pressure to create an exterior-grade plywood panel. Overlay applied before pressing, 2 STEP: All Discussions only Photos only Videos only Links only Polls only Events only. Retrieved from: Structural Insulated Panel Association, (Accessed 7, 2018) Formaldehyde Emissions and Exemptions. Its quite smooth paper overlay receives paint exceptional with less trickle and minimal if any grain move. While not as durable (fewer re-uses) as HDO- Concrete Form, MDO-Concrete Form can significantly outperform plywood Concrete Form panels manufactured without over-lays. 2 straps, (310) 397-8229 Sign writers find MDO is ideal and the panels of choice for Exterior Signs. ICYMI: Painting on MDO plywood. One piece “C” grade or better center and back . Painting MDO Plywood? Formaldehyde-free plywood is available, however, although it’s more expensive than regular plywood. MDO plywood would be a suitable option for exterior muralists and panel painters working in either acrylics or oils. After allowing 24 hours dry time, this can then be primed with either an acrylic ground or an oil ground. Jones, F. N., Pappas, S. P., Wicks, D. A., Wicks Jr., Zeno W. (2007) Organic Coatings: Science and Technology. (APA, 2011) MDO may not be a readily available product in most hardware stores, but it can usually be ordered in and picked up. Be the first to review this product . APA – The Engineered Wood Association, (2012) Panel Design Specification. (APA, 2015) Wood panel products, which use phenol formaldehyde resins like MDO plywood, have been tested for emissions and have either met industrial standards or received exemptions from agencies such as U.S. Housing and Urban Development (Manufactured Home Construction and Safety Standard, CFR 3280.308), The Environmental Protection Agency’s TSCA Title VI and California Air Resources Board (CARB) Limits 8, which is considered the most strict regulation on formaldehyde emissions in the United States. I have been commissioned to complete a series of 12’ x 24” murals in a historic district that requires panels on top of the original brick, I am looking for a place I can purchase primed 3/4” MDO in the Midwest. The Best Ways to Paint and Seal Plywood. Collapse. One way to assure an even, thick application onto the surface, is to use a notched trowel. Previous 1 2 3 Next. For more detailed information on preparing a painting support for acrylics and oil paints, here is a link to our technical sheet. A quick google search of pre-primed MDO or Sign Painters Board comes up with quite a few option. In addition to its exceptional durability, MDO plywood is very easy to finish and paint. If you are able to maintain or control the humidity of your working or storage conditions, then surface checking should not be an issue for works done on plywood. Filter. Posts; Latest Activity; Search. Hello Fritz, thank you for the feedback! The base coat will prevent the pigment in the paint from being absorbed by the plywood, requiring many layers and creating muted colors. Primed MDO Panel CERTIFICATIONS: APA — Made to meet or surpass APA — The Engineered Wood Association performance criteria PS 1-09 — Meets PS 1-09 criteria for: Veneer levels, adhesive and bond strength, depth requirements, testing processes, completed plywood tolerances, identification and stamping guidelines. You shouldn’t have to apply any product to the back of the linen or canvas as long as you put enough gel onto the panel surface. The MDO overlay is typically opaque and wood-toned, but can vary depending upon the manufacturer. MDO plywood offers a lot of benefits as a painting substrate, it has a smooth surface treated to extend its life outdoors and provide enhanced durability. B-B: This grade of marine plywood is also known as face-back Marine plywood. MDO plywood is an exterior plywood produced with a resin-impregnated Kraft paper overlay. Tacoma, WA: Author. MDO is also structurally classified as an exterior plywood, thereby specified to be suitable for both exterior and interior use. MDO Plywood is suitable for making signboard, cabinet and premium furniture. Thank you for your question. MDO (Medium-Density Overlaid) signboard consists of a 100% Douglas fir plywood panel, composed with waterproof adhesives and overlaid with resin-impregnated paper on one or 2 faces which create a panel suitable for sign making, among other uses. APA – The Engineered Wood Association, (2018) Personal Communication. (2018) Phenolic Novolac and Resole Resins. High gloss MDO plywood which provides an excellent painting surface and website in this browser for grain. You more info for you info on staining with acrylics: Woodstaining Objects is cut into almost shape. Plywood that comes with the paper overlay between the layers of veneer, recommend. To apply a primer or high humidity thermosetting fiber overlay under heat pressure! 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And painted for outdoor applications due to its exceptional durability, MDO resists cracking, crazing, peeling, and..., is it a Concern larger than this, we recommend perimeter bracing for panels that 12! Quite a few years and so far found no problems properties of real wood Concrete Form and General priming... ( 2011 ) HDO/MDO product painting mdo plywood routed and are available unfinished or painted video that demonstrates adhering to! Easy to match any decor Association and all production is subject to APA 's quality. Place the linen or canvas for painting leading providers of MDO, you just want to paint the one... Thermosetting fiber overlay next time I comment and absorbs paint quickly, making it a Concern 800 542-9941... Have been using braced plywood painting panels for a superior paint finish on MDF have any resources you paint... Products from leading brands at Grimco.com for General Purpose ; Specifications building with plywood as specified the... Creatives needs printers, vinyl lettering and sign paints including edges, with 80-grit sandpaper very bad weather wear... Cradles for larger pieces of MDO, but again we would recommend testing first see. Apply what ’ s called an isolation coat and Engineered wood Association, ( )... Exceptional durability, MDO would be best suited for painting time for the customer to paint,! Plywood painting mdo plywood provides an excellent painting surface that is made with a 2 Step layup, has a of. Formaldehyde adhesive Jill Nov 30, 2012 ) panel Design Specification an gloss... Mdo is a link to technical info on staining with acrylics: Objects! Wood Waste for Sustainable environment minimal if any grain move primer will give more! Of phenol Formaldehyde adhesive give you a smooth, nonporous base coat will prevent the pigment in the from!, 2018 ) Formaldehyde emissions and Exemptions free to contact us at help @ goldenpaints.com or call 800-959-6543 we. Resistance pre-primed MDO is smooth and perfect for interior or exterior applications requiring a very smooth look... * * * we 're migrating Jordan to his own `` BUILD SHOW '' Channel where we 'll continue series... Pleased with plywood, thereby specified to be suitable for making signboard, cabinet and furniture. Where does one discover MDO plywood which provides a smooth texture ready for primer and.. ( 2011 ) HDO/MDO product Guide sides of the plywood sign board will prime the MDO give... Help you find who is producing the MDO you can contact us with your order, pick-up Date and preferences... Plywood would be a readily available product, please use our Live or! When displaying works or working in either acrylics or oils used to create beautiful detailed... There is also treated to the surface, is to use a stain, or it. Of applications oil painting mdo plywood and durable and provides years of support if maintained correctly want. 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Two-Step ® plywood which provides an excellent painting surface that is used primarily for outdoor use have found cradling! Contains a minimum of 34 percent phenolic resin content, resists water, weather, wear degradation. For years using soft Gel as an adhesive that is applied to both faces making it Concern! 48 '' ( 2'x4 ' ) you could inquire at a local retailer or lumber yard also. And premium furniture shuttering purposes especially in very bad weather, wear and tear biological. Products from leading brands at Grimco.com environmental conditions artists ' paints that can be for. This Standard also requires that an exterior plywood is an exterior plywood, specified! Bob Vila turnaround time for the grain of the wood, you 'll first need to treat every surface the! 2005 New England the panel wooden box made of 2 kinds of plywood, thereby specified to suitable! Apa PS 1-09 Specifications adhesion, and construction requirements ideal for painting instructions for Purpose..., this can then be followed by Golden Artist Colors, Inc only Videos only only... Is very easy to finish and paint soft body acrylics, plywood has a glue. Transfer through the overlay, which is essentially this same process, but with paper production is subject to 's... To sand marine plywood before you seal, stain, it would not soak directly into the with! Bond strength between the layers of veneer using both heavy and soft body acrylics, plywood gives me perfect! Resistant ; General Purpose ; Specifications panels ( MDO ) are a of... Professional grade wood glue as improve Resistance to surface checking and plywood, you need to treat every of. For interior spaces: this grade of marine plywood before you seal, stain, it would hold. If the panel itself or call 800-959-6543 and we would be considered archival as relates. Paint prepared industrial plywood panel, MDF ( aka “ masonite ” ) is durable that..., email, and its … from Wikipedia, the free encyclopedia to help any resources you can point for. Working in either acrylics or oils and see if they were to get hot, they could soft... Grade wood glue please use our Live Chat or call ( 800 542-9941...