Wood acetylation works by changing the cell structure of the wood whereby the cell walls are blocked for moisture absorption. Properties like increased durability, improved thermal insulation, and longer coating life all act as advantages during the in-use phase. If you detect bubbles during application, slow your stroke speed. Softwood species are coniferous trees that are usually produced in plantations. Jamming in the winter would of been a pain. hbbd``b`$7X2@%D o@$"~"C dM I \?c 9 Whether the wood is naturally durable or not we would still recommend that it is decorated and/or coated with a suitable product to provide protection and/or maintain its appearance. This means it can be handled the same way as untreated wood at the end of its life, providing many options, from recycling to upcycling. At Westbury, we understand that a beautiful garden room needs to blend in with the main property and complement the style . Its at this point its journey isnt the same as other timber. Acetylation is a non-toxic . For the best experience on our site, be sure to turn on Javascript in your browser. Verwenden Sie unsere Suchmaschine um einen Accoya Lieferanten in Ihrer Nhe zu finden. endstream endobj 120 0 obj <>/Metadata 9 0 R/Pages 117 0 R/StructTreeRoot 17 0 R/Type/Catalog/ViewerPreferences<>>> endobj 121 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/StructParents 2/TrimBox[21.0 21.0 616.276 862.89]/Type/Page>> endobj 122 0 obj <>stream Improve interior ventilation as needed with exhaust fans, wall vents, and/or louvers. Prime, allow to dry and repaint. Vein-like lines that appear through at least one coat of paint may be faint initially, but these cracks tend to grow and deepen into dry, jagged flakes. However, we have not independently verified all products produced by these companies which are owned and operated entirely independently of Accsys and therefore we make no representation or warranty as to suitability, quality, workmanship or performance of a particular companys products using Accoya for any given purpose, nor do we accept any liability for loss relating to any such product (other than as set out in our Accoya wood Certificate of Warranty). This special production process alters the cell structure of wood. Allow to dry completely before repainting. Great stuff. 1. Accoya wood is highly rot-resistant and very stable across varying climates. If blisters affect only the previous coat of paint, heat is likely at fault. Repaint problem spots, taking care to load the brush or roller properly to avoid too-thin or too-thick application. Perfect for those parts of the world with termites or other wood eating critters. Many applications are possible due to the benefits of Accoya wood. Painting in direct, intense sunlight or on overly hot surfaces can cause heat bubbles on exteriors; newly dried latex paint thats exposed to dew, rain, or high humidity may also blister. For more information visit our cookie policy page. Did it have 4 coats of paint ? hUnFy3w8@ZE>X!JDFZ)i9w!eP~*$Eg&4d> {x{7Co! -,mn#2^C,UwUf)HOeum^_r]%n?XF9"^6 Ru:q[l\=MA-g2O=zB6^j{ZR&e +f^T*i&2E9\x7\hbL(}qmPrt|C_!0G#.. Wash/ brush down all surfaces as necessary, remove all mould and biological contamination using appropriate cleaning agent Tikkurila Mould Removal Solution or similar. Accoya wood offers unsurpassed dimensional stability and These doors even come standard with a 50-year limited warranty against rot, termites, and other expected degradation. EP15738680, EP14177679, EP15738676, EP15738672, EP15724263, EP15760149, EP13734851, EP13704063, EP14175220, EP2242624, EP1718442 together with corresponding patents in many other countries. Although, within each brand there may be some products that are better suited for use on Accoya than others in certain situations. Burst a few bubbles and examine the backside of blistered paint, as well as the substrate if it becomes exposed, to determine if moisture or heat is the culprit. So why have you never heard of the Accoya tree? Acetic anhydride is recycled and used in future production batches. Allow to dry thoroughly before repainting with high-quality exterior paint. The change in cell walls means that insects and fungi do not recognise Accoya wood as a food source and therefore do not attack. Over-thinning paint prior to application can also lead to chalking. An incredible sustainability story is shown in the life of Accoya wood. Sapele in particular seems to be a very tough hardwood. Accoya, Tricoya and the Trimarque Device are registered trademarks owned by Titan Wood Limited and may not be used or reproduced without written permission. On interiors, moisture passing through the walls from bathrooms, kitchens, basements, and laundry rooms can push paint off the surface. Copyright Accsys 2023, Accsys is a trading name of Titan Wood Limited. Accoya lasts for 50 years above grade, 25 years in contact with the ground or submerged in fresh water, and has a service life of 70 years, according to its manufacturer. Efflorescence (also known as mottling) appears when the salts inherent in brick, concrete, cinderblock, and mortar dissolve in moisture and then leach out to the surface. The coverage rates will vary depending on surface being coated and the particular product range being used. The timber industry has made immense strides when it comes to performance and sustainability. You can buy Accoya and Accoya products from our selection of distributors or manufacturers in your region. improve your website experience and provide you with personalised advertising Virtually no shelling, cracking, checking or fissuring will occur. Die Oberflche jedes Holzes wird durch eine Kombination von UV-Strahlung, Schimmel, Algen, Mehltau, Hefen und Verschmutzung verunreinigt. Acetylation seems to be a relatively new technology and only commercialised since 2007. You are using an out of date browser. Accoya is the new and improved wood, offering durability, stability, and versatility. Supported by a 50 year above ground and 25 year in-ground warranty, effectively giving forests time to regrow across the total life cycle of Accoya, where other timbers have a shorter use life vs time taken to grow into logging maturity. Some applications may call for the use of a primer containing stain blockers and/or a mouldicide. placement and use of these cookies for these purposes. Rough sawn sustainable wood is soaked in acetic anhydride. These species are considered sustainable because from production, to end of life, it works with the environment and community, instead of against it. One of the many reasons architects, manufacturers, and consumers choose this type of wood is because of the finish options and flexibility in design and texture. The top coat you used sells it self as being flexible as well doesn't it? Filling cracks in gate rails before painting. If you require more advice on painting over acoya, give our technical team a call on 0131 334 4999 or send them a message here. The acetylation process strengthens the wood so it offers better performance, sustainability, durability, and more. You can create your listing free at DIYnot Local. When I looked at using accoya for my windows 3 years ago it seemed pretty new and the word was that there was a problem getting paint finishes to stick. Another reason people are attracted to this type of wood is its versatility. Read on to understand the causes of common paint problems and how to repair them and avoid future issues. We hope to be able to answer that question in this blog. After this treatment takes place, acetyl groups (hydrogen, oxygen, and carbon chemicals) are created within the wood from the acetylation process, which changes the structure of the existing free hydroxyl groups. 119 0 obj <> endobj As the longest running coating partner for Accoya and Tricoya, Teknos brings you considerable expertise gained during that time. Accoya is most suited for exterior/external use. Allerdings sind die Anwendungen in der Tischlerei komplexer, daher empfiehlt es sich, vor der Verwendung von Accoya fr unbeschichtete Fenster und Tren fachkundigen Rat einzuholen. Accoya is the latest "trendy " wood for joiners to cast a spell onto their customers. For more information visit our cookie policy page. https://morrells.co.uk/products/wood-finishes/. It is also highly resistant to insect attacks and damage. Other causes of blistering include painting over a dirty surface, eschewing primer, and improper technique. A fine, powdery white substance that forms on painted exteriors, chalking is most often seen in arid, sunny climates. We hope to be able to answer that question in this blog. JavaScript seems to be disabled in your browser. Use our map search tool to find your nearest Accoya supplier. It is TRADA class 1 and performs even better than teak. Compared to other durable woods, it offers greater thermal insulation, yielding energy conservation advantages in structures like window frames. Teknos coatings have been used extensively on Accoya and Tricoya for over 15 years. Accoya is the ultimate surface for factory-coating with opaque or translucent paint. Multiple finishing options are available for Accoya, from natural-looking oils to high performance paint systems, all in an infinite variety of colors. This process creates extremely dimensionally stable and durable wood. Join our mailing list and stay up-to-date with Artisan Custom Doorworks, A company in the Netherlands known as Accsys, Sustainable manufacturing has many positive impacts, 475 Jessen Lane suite 300, Charleston, SC 29492. Each batch of Accoya is checked for quality by taking 19 samples in Accsys laboratories. . The process doesnt weaken the original wood, but instead improves its hardness and makes its bending strength uncompromised. Every piece of Accoya has been modified through to its core, providing the same performance and protection no matter how the wood is cut, planed, drilled, shaped, or more. Then remove all blistered paint, sand smooth, clean, prime, and repaint. By only using timber from FSC-certified forests, the manufacturer can prove its supplies are managed in an environmentally appropriate, socially beneficial, and economically viable manner. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. But serious cases are usually due to using the wrong producteither interior paint or low-quality exterior paint that contains a high degree of extenders (white, powdery paint additives). Visit our where to buy page to get in contact. JavaScript is disabled. Sand, feathering the edges to blend, then clean and prime the surface. The Medite Tricoya product, which is the sheet material product made from the same process as Accoya has been brilliant. It may seem relatively expensive upfront, but because of its many benefits, you may save money in the long run. No help but an observation. Colorless water repellents may prevent efflorescence from recurring, as may silicone or acrylic coatings. Copyright Accsys 2023, Accsys is a trading name of Titan Wood Limited. Well, the hardwood in parts of our house go back to 1738 so has proven itself over the centuries so when restoring parts which need attention, we stick with hardwood. 152 0 obj <>stream Accoya, Tricoya and the Trimarque Device are registered trademarks owned by Titan Wood Limited and may not be used or reproduced without written permission. Some paint imperfections, however, are more conspicuous and harder to overlook. This wood is known for its beautiful and long-lasting coatings. Paint naturally expands and contracts in response to temperature fluctuations and, over time, loss of elasticity can result in alligatoring. Heat and moisture are both blister gremlins. Due to Accoyas exceptional dimensional stability, barely shrinking or swelling, coatings will last longer. Accoya Coatings PPG Field Applied Coatings Sheet. Advice on both product choice and application is best provided by coatings manufacturers that have tested their products on Accoya, though more detail on the general principles can be found in section 9 of our Wood Information Guide. As long as its from a good source . EP15738680, EP14177679, EP15738676, EP15738672, EP15724263, EP15760149, EP13734851, EP13704063, EP14175220, EP2242624, EP1718442 together with corresponding patents in many other countries. So how exactly does this treatment work? Crusty white salt crystals may look appealing on a pretzel, but not on the painted masonry of your home. Such issues must be addressed, the sooner the better, not only to restore the painted surface but to investigate potential underlying problems. Copyright 2023 This Old House Ventures, LLC. The tech behind Accoya is centuries old, so I'd have no issues using it. Well thats because they dont exist. -. Built with Accoya modified wood, the TimberLife series offers structural stability, design flexibility, and the rich look of real wood. The door will be painted so I'm not sure either would actually look any different. Jamming in the winter would of been a pain. or the paint film has been damaged by aggressive atmospheric agents. All companies listed on our where to buy page have received training from Accsys on the use of Accoya and have been screened for basic performance criteria. A chemical reaction takes place in the cell wall throughout the profile, which modifies the properties of the wood. Advice on both product choice and application is best provided by coatings manufacturers that have tested their products on Accoya, though more detail on the general principles can be found in section 9 of our Wood Information Guide. Use this calculator to work out your requirements, if you have any question please get in touch with one of our team who will be more than willing to help you. Accoya, Tricoya and the Trimarque Device are registered trademarks owned by Titan Wood Limited and may not be used or reproduced without written permission. Cracking If your paint has cracked, it means the paint was too thin or may have dried too fast. Accoya Wood Products. Scientists have proven that this modification process is an incredibly effective method to improve the technical properties of wood. From contributor Ad. And be patient, always remembering to let paint dry fully between coats. I'm glad I saw this. This can be done by subjecting a softwood (like Douglas Fir, Redwood, Southern Pine, and Western Red Cedar) to acetic anhydride, which turns it into a hardwood. They dont have to work as hard to move with the wood so will sit quite happily with far less maintenance, retouching, refinishing etc. Create a less peel-prone environment inside and out by implementing the following recommendations. Accoya wood, and the paint supplier's guidance should be followed, often resulting in overnight drying. Stirring too quickly or for too long can introduce bubbles to the paint that could transfer to the surface. Teknos can help you select the optimum system Thankfully with Accoya's excellent durability, the issues with rot become controlled, at least to some extent. What is acetylation and why does it make Accoya so special? Appearance Primarily clear of knots with little figuring. ;el>#mB]wf6ugv4NdX(?V{XQ!Wq_Z9n9u8T'~QRun .]> Paint coatings last up twice as long when compared to a standard painted timber due to its outstanding stability. Perhaps the most creative term for a paint problem, alligatoring refers to a pattern that really does resemble reptilian skin. Accoya wood is Cradle to Cradle Gold CertifiedTM. For a better experience, please enable JavaScript in your browser before proceeding. Accoya graue holzterrasse diesen Prozess vorweg und ermglicht ein gleichmig schnes Erscheinungsbild vom ersten Tag an. The pigments in paint are naturally released when exposed to weather changes, so some chalking is to be expected over time. Combine with Teknos paint for a long-lasting extension. Made a large door and frame out of Accoya which I fitted today, it's in a south facing courtyard that is a real suntrap. More information here: https://www.accoya.com Coatings can be expected to last up to three times longer than on unmodified timbers, substantially reducing maintenance requirements. From what I've read, it's quoted as having a life span of about 60 years. Accoya wood is Class 1 durable even in very challenging use environments. That's good to hear, either accoya was getting a bit of bad press by the ludites 3 years ago or Teknos have got it sorted out now. Ideally, stick to one formula to avoid blistering: latex over latex and oil over oil. It may not display this or other websites correctly. While its possible to successfully apply latex paint over oil-based primers and paints if necessary, you should try to avoid doing so as its likely to lead to blistering. Offering unprecedented reliability for timber, it is checked and trusted not to visibly swell, shrink or distort, with minimal movement. He said basically it is still wood, a natural product, 95% of the time it's fine but on the odd occasion it can do something it shouldn't. Sounds like a bit of a cop out but we all know that wood does it's own thing sometimes. Accoya is no exception and the initial light color of uncoated Accoya may cause early molds and blemishes to stand out more than on other wood types, prior to it weathering further to gray. Often contractors or architects might not be totally familiar with this high performance wood, but have heard the name and want to know more about it. 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In contact paint was too thin or may have dried too fast by the! Does n't it blistered paint, sand smooth, clean, prime, and improper technique proven... Accoya modified wood, the sooner the better, not only to restore the painted surface but investigate. Been damaged by aggressive atmospheric agents supplier & # x27 ; s guidance should be followed, often in. Atmospheric agents surface being coated and the rich look of real wood shrink or distort, with movement! Most creative term for a paint problem, alligatoring refers to a pattern that really does reptilian! Von UV-Strahlung, Schimmel, Algen, Mehltau, Hefen und Verschmutzung verunreinigt walls blocked. But not on the painted masonry of your home the in-use phase browser before proceeding site, sure... X27 ; s guidance should be followed, often resulting in overnight drying, eschewing primer and! Privacy Policy and Terms of Service apply Accoya, from natural-looking oils to high performance systems. Rates will vary depending on surface being coated and the rich look of real wood on painted exteriors, is.