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The Accoya's uniquely sanded and brushed surface allows the non-film based Sansin coating to penetrate beneath the surface of the timber, allowing the paint to bind to the cells preventing peeling and cracking. Timber must be harvested from forests that are continuously replenished while ensuring there is no damage to the surrounding environment. So why have you never heard of the Accoya tree? Remove lint from a new roller cover, dip the roller into the well of the tray, then over the ribbed portion of the tray, repeating several times to evenly distribute the right amount of paint. So. The Medite Tricoya product, which is the sheet material product made from the same process as Accoya has been brilliant. Accoya is most suited for exterior/external use. The only downside is that it smells of vinegar until its sealed. Our website uses its own and third party cookies to provide you with the best experience, show you personalised ads and learn from your behaviour so we can recommend what you like. Accoya wood is Cradle to Cradle Gold CertifiedTM. For more information visit our cookie policy page. The real world performance over this time has matched up to the high expectations built up through extensive testing programs. JavaScript is disabled. Verwenden Sie unsere Suchmaschine um einen Accoya Lieferanten in Ihrer Nhe zu finden. From what I've read, it's quoted as having a life span of about 60 years. Compared to other durable woods, it offers greater thermal insulation, yielding energy conservation advantages in structures like window frames. Learn what causes the peskiest paint problemsand how to fix and avoid them in the future. It is slightly more expensive to buy than a frame made of tropical hardwood, but due to the reduction in maintenance combined with the longevity of the wood, any upfront costs are recovered relatively quickly. Wie jede natrliche Holzart ist auch Accoya-Holz anfllig fr Witterungseinflsse im Freien. Accoya boasts Class 1 durability (the highest durability class) and also has extensive quality certifications. Colour choice will have a direct effect on the thermal dynamic of the timber, Accoya although durable will still bleed resin and tannin, if a dark colour is applied to an elevation which is exposed to sunlight for long periods the heating of the surface will cause a resin migration which could result in blistering. It can work well for many different types of structures. The store will not work correctly in the case when cookies are disabled. Other causes of blistering include painting over a dirty surface, eschewing primer, and improper technique. Rough sawn sustainable wood is soaked in acetic anhydride. A company in the Netherlands known as Accsys is able to transform fast-growing, sustainable wood into Accoya wood. Such issues must be addressed, the sooner the better, not only to restore the painted surface but to investigate potential underlying problems. Acetylation is the process of preventing the cells in wood from being able to absorb water. Copyright Accsys 2023, Accsys is a trading name of Titan Wood Limited. All common paint systems can be used to finish Accoya wood. The timber industry has made immense strides when it comes to performance and sustainability. 119 0 obj <> endobj Colour choice will have a direct effect on the thermal dynamic of the timber, Accoya although durable will still bleed resin and tannin, if a dark colour is applied to an elevation which is exposed to sunlight for long periods the heating of the surface will cause a resin migration which could result in blistering. The process can be hastened through such missteps as applying a rigid coating such as oil enamel over a softer, more flexible coat (e.g., latex paint or latex primer); painting over a glossy finish (the topcoat not bonding properly to the glossy finish), or not allowing sufficient dry time between primer/basecoat and topcoat. Due to Accoya's high dimensional stability, factory supplied finishes on Structura's products require less frequent maintenance than other wood products while lasting up to three times longer. Please contact your coating supplier for further advice. Is it a bookshelf from IKEA, is it a Japanese dish, is it a tree? For the best experience on our site, be sure to turn on Javascript in your browser. 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. This modification reduces the woods ability to absorb water in the cell walls by about 80%, greatly improving dimensional stability, resulting in Accoya requiring less maintenance. All rights reserved. Please see details of paint manufacturers who offer products suitable for use on Accoya here and below. 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. The cost to decorate it is also lower than most other woods, and the coatings are proven to last longer. 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. 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. A fine, powdery white substance that forms on painted exteriors, chalking is most often seen in arid, sunny climates. 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. We and our advertising partners use cookies on this site and around the web to Meranti is a budget hardwood option, I can't see any advantage over softwood. I'm glad I saw this. It's almost like they didn't dip that piece of timber long enough. https://www.accoya.com/projects/project -kentucky/. As long as its from a good source . Accoya wood is highly rot-resistant and very stable across varying climates. Be patient when rolling. Accoya is the ultimate surface for factory-coating with opaque or translucent paint. Acetylation is the process of preventing the cells in wood from being able to absorb water. Using household bleach, place a few drops on the suspect area and wait several minutes. Accoya wood may be finished with semi-and non-film forming paint systems such as stains and oils. Improve interior ventilation as needed with exhaust fans, wall vents, and/or louvers. The top coat you used sells it self as being flexible as well doesn't it? Engineered softwood is fine for windows. Copyright Accsys 2023, Accsys is a trading name of Titan Wood Limited. It is also important to follow the correct procedures for preparation and application of the paints and stains. Our website uses its own and third party cookies to provide you with the best experience, show you personalised ads and learn from your behaviour so we can recommend what you like. This special production process alters the cell structure of wood. Teknos coatings have been used extensively on Accoya and Tricoya for over 15 years. Accoya is a type of wood that's hitting the building industry with a unique and more eco-friendly approach to traditional wood products. The main by-product, acetic acid, is sold as a raw material for other industries. Treat nail heads with appropriate primer to avoid rust staining, KNOTS: knotting compounds will help in the prevention of staining but will not prevent the excretion of resin. 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. Testing has been carried out across many different oil and water-based paint systems. Visit our where to buy page to get in contact. Some paint imperfections, however, are more conspicuous and harder to overlook. So I spoke with Arnold Laver yesterday, they were trying to tell me it was because I had not used one of the finishes that Accoya recommend (Sikkens or Teknos) which I politely disagreed with. Register today and take advantage of membership benefits. Repaint problem spots, taking care to load the brush or roller properly to avoid too-thin or too-thick application. There are a few different ways to ensure your timber is sustainable. Virtually no shelling, cracking, checking or fissuring will occur. This is an unavoidable effect and one which must be considered when pricing and managing a project. Remove blisters and the underlying paint or primer, then sand to smooth and dull the surface, clean, prime, and repaint, taking care that the surface is below 90 F. Stir paint slowly yet briefly with a wooden stirrer or drill attachment. For the best experience on our site, be sure to turn on Javascript in your browser. Jamming in the winter would of been a pain. If using a roller, fill the roller tray halfway. Wash/ brush down all surfaces as necessary, remove all mould and biological contamination using appropriate cleaning agent Tikkurila Mould Removal Solution or similar. It starts as subtle wrinkling (a.k.a. At Westbury, we understand that a beautiful garden room needs to blend in with the main property and complement the style . As a product its fine. Applying an impregnating hydrophobic sealant to a building material surface can prevent water absorption and keep moisture from entering the material. Accoya wood is Class 1 durable and surpasses even the most durable old growth tropical hardwoods such as teak. checking), then develops into wide rectangular cracks. Wood acetylation works by changing the cell structure of the wood whereby the cell walls are blocked for moisture absorption. Its at this point its journey isnt the same as other timber. Since it requires less maintenance and upkeep, you will find that you arent forced to spend money on repairs and touch-ups as you are using it. Our website uses its own and third party cookies to provide you with the best experience, show you personalised ads and learn from your behaviour so we can recommend what you like. Plus, sticking or jamming doors and windows are a thing of the past with Accoya. Inside the home, excessive moisture may come from high humidity in the basement and/or foundation, but even zealous showering, cooking, and humidifier habits can be to blame. Accoya is the brand name of this modified wood. Oils or oil-based products tend to be absorbed quickly and in large quantaties. The production of Accoya is based on the process of wood acetylation. As the longest running coating partner for Accoya and Tricoya, Teknos brings you considerable expertise gained during that time. I broke a couple of drill bits trying to put a bolt on a new stable door! 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. Perfect for those parts of the world with termites or other wood eating critters. If damage is extensive, you may need to repaint the entire surface. As oils can be a food source for disfiguring fungi, products containing a mouldicide are hb``d``Z }Y81 dx2L_(b%,h_v`FsmAL!005H10TE|0 d Accoya is the brand name of this modified wood. Obtaining a certification from the Forest Stewardship Council (FSC) is one of the main ways to prove this. Was it just one piece of wood that split or all of it ? Its natural, high performance wood. This can be offset by installing mechanical ventilation, preferably balanced ventilation with heat recovery [HRV ]separate fans to introduce fresh air and exhaust indoor air, located together and including anair-to-air heat exchangeror an energy-recovery ventilator (ERV), which transfers moisture from one airstream to the other. Sand, feathering the edges to blend, then clean and prime the surface. If the blisters contain several coats of paint and popping them reveals bare substrate, theres a moisture issue. Aus der Sicht der technischen Leistung ist es im Hinblick auf Eigenschaften wie Haltbarkeit und Formbestndigkeit nicht notwendig, Accoya-Holz fr Verkleidungs- und/oder Terrassenanwendungen zu bearbeiten. Cracking If your paint has cracked, it means the paint was too thin or may have dried too fast. Conversely, a heavy hand while painting can lead to whats called mud cracks, where too-thick paint dries with a clumpy, swollen look. Then rinse to banish dust and let dry completely. 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. You can choose from a variety of styles, trim and panel options, paint and stain colors, and custom accessories. Edited by loughran on Monday 8th May 21:15. For example, it significantly lowers the maintenance costs of window and door frames. JavaScript seems to be disabled in your browser. Containing no toxic substances as the process simply increases the levels of already present elements within the molecular structure of the wood. The tech behind Accoya is centuries old, so I'd have no issues using it. 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. ( I really wanted Oak). APPLICATION SUITABILITY. 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 pine tree is harvested once it reaches maturity at around the 30 year mark. Accoya is quite common for exterior use in Europe, but I don't know of many people using it over here. Over time, paint becomes brittle, making it less adaptable to temperature and humidity fluctuations. First, you cringea natural reaction to that tiny ding on a relatively new paint joband then you shrug. Use our map search tool to find your nearest Accoya supplier. Acetylation seems to be a relatively new technology and only commercialised since 2007. 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. Unsere Website verwendet eigene Cookies und Cookies von Drittanbietern, um Ihnen die beste Nutzererfahrung zu bieten, personalisierte Werbung anzuzeigen und um aus Ihrem Verhalten zu lernen, damit wir Inhalte empfehlen knnen, die Ihnen gefallen. Weitere Informationen finden Sie in den Cookie-Richtlinien auf unserer Webseite. You can manage your cookie settings at any time. not paint then? Peeling paint that has a bit of curl to it is a common problem on both interior and exterior surfaces. 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. Chalking is most often seen in arid, sunny climates woods, it the! 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