Conversely, a heavy hand while painting can lead to whats called mud cracks, where too-thick paint dries with a clumpy, swollen look. Best of all, it will stay this way in the long run, allowing you to enjoy your wood for years to come. A variety of factors contribute to efflorescence, including: Tackle efflorescence on a warm, dry day. Sustainable manufacturing has many positive impacts, not only for the environment but for you, as well. By clicking "allow", you accept the Apply one coat of Ultra Primer to all surfaces. Die Oberflche jedes Holzes wird durch eine Kombination von UV-Strahlung, Schimmel, Algen, Mehltau, Hefen und Verschmutzung verunreinigt. Some paint imperfections, however, are more conspicuous and harder to overlook. Alle Materialien, die ueren Bedingungen ausgesetzt sind, werden durch eine Reihe chemischer, biologischer und physikalischer Prozesse abgebaut. Unmodified wood contains free hydroxyl groups that absorb and release water as weather conditions change. Accoya wood is Cradle to Cradle Gold CertifiedTM. 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. Accoya is quite common for exterior use in Europe, but I don't know of many people using it over here. Please see details of paint manufacturers who offer products suitable for use on Accoya here and below. For more information visit our cookie policy page. Accoya wood is Class 1 durable and surpasses even the most durable old growth tropical hardwoods such as teak. I've used tricoya sheets a lot and that doesn't move at all. Copyright Accsys 2023, Accsys is a trading name of Titan Wood Limited. Accoya wood is sustainably-sourced New Zealand grown Radiata Pine that undergoes a proprietary, non-toxic acetylation process that permanently modifies the wood to the core. 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. Fading 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). The Medite Tricoya product, which is the sheet material product made from the same process as Accoya has been brilliant. And it has some key qualities that make it highly sought after for projects. 1. Containing no toxic substances as the process simply increases the levels of already present elements within the molecular structure of the wood. Painting over the cracks will just produce the same uneven surface and texture. 152 0 obj <>stream They dont have to work as hard to move with the wood so will sit quite happily with far less maintenance, retouching, refinishing etc. Highly Durable Accoya offers the best level of durability possible in wood. Accoya, Tricoya and the Trimarque Device are registered trademarks owned by Titan Wood Limited and may not be used or reproduced without written permission. The tech behind Accoya is centuries old, so I'd have no issues using it. For a better experience, please enable JavaScript in your browser before proceeding. The wood is modified right through to the core. The pigments in paint are naturally released when exposed to weather changes, so some chalking is to be expected over time. For exterior conditions such as crumbly caulking, full gutters, or loose shingles, remove peeling paint by sanding, cleaning, and priming before repainting. Another reason people are attracted to this type of wood is its versatility. Engineered softwood is fine for windows. Thankfully with Accoya's excellent durability, the issues with rot become controlled, at least to some extent. Coatings can be expected to last up to three times longer than on unmodified timbers, substantially reducing maintenance requirements. The acetylation process strengthens the wood so it offers better performance, sustainability, durability, and more. The store will not work correctly in the case when cookies are disabled. Filling cracks in gate rails before painting. 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. Accoya wood is Class 1 durable even in very challenging use environments. If you detect bubbles during application, slow your stroke speed. Accoya uses acetylation to make the wood more resistant and durable. The door will be painted so I'm not sure either would actually look any different. 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. hUnFy3w8@ZE>X!JDFZ)i9w!eP~*$Eg&4d> {x{7Co! These doors even come standard with a 50-year limited warranty against rot, termites, and other expected degradation. 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. or the paint film has been damaged by aggressive atmospheric agents. Be patient when rolling. If you need to find a tradesperson to get your job done, please try our local search below, If not, with the right technique, you can repair a poorly painted spot without a lot of headache. Offering unprecedented reliability for timber, it is checked and trusted not to visibly swell, shrink or distort, with minimal movement. 2 aluminium and 2 top coats ? 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. More information here: https://www.accoya.com %%EOF It may not display this or other websites correctly. 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. 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. 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. It is also important to follow the correct procedures for preparation and application of the paints and stains. Such issues must be addressed, the sooner the better, not only to restore the painted surface but to investigate potential underlying problems. 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. 1 - Weight: Accoya is a medium to lightweight material with an average weight of 512kgm3. It can work well for many different types of structures. Accoya Coatings PPG Field Applied Coatings Sheet. Accoya, Tricoya and the Trimarque Device are registered trademarks owned by Titan Wood Limited and may not be used or reproduced without written permission. The initial price may seem daunting, but you can find relief in looking at the bigger picture. Read more about acetylated wood here. Blisters can appear on both interior and exterior painted surfacesdrywall, plaster, metal, and wood. Accoya is the ultimate surface for factory-coating with opaque or translucent paint. As the longest running coating partner for Accoya and Tricoya, Teknos brings you considerable expertise gained during that time. 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). Softwood species are coniferous trees that are usually produced in plantations. Copyright Accsys 2023, Accsys is a trading name of Titan Wood Limited. Tried & Tested Coatings Suppliers Accoya Coatings Anker Stuy Leaflet 1.37MB Accoya Coatings ICA Leaflet 1.54MB Accoya Coatings Keim Leaflet 1.56MB Accoya Coatings Omnia Leaflet 257.76kB Accoya Coatings PPG Leaflet 4.22MB Wood acetylation works by changing the cell structure of the wood whereby the cell walls are blocked for moisture absorption. 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. Sapele in particular seems to be a very tough hardwood. The finish I had used was fine, the problem was with the Accoya. Not allowing adequate dry time between coats can also lead to these problems. Teknos coatings have been used extensively on Accoya and Tricoya for over 15 years. 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. Many applications are possible due to the benefits of Accoya wood. Every effort has been made to ensure the accuracy of the estimate, however paint requirements may vary depending on the surface, type of paint, sheen level and colour chosen. 6 coat total build up. Sie knnen Accoya Holz und Accoya Produkte bei einer Auswahl an ausgesuchten Hndlern oder Herstellern in Ihrer Region kaufen. Appearance Primarily clear of knots with little figuring. To minimize absorption, let the first coat dry before applying additional coats. Other causes of blistering include painting over a dirty surface, eschewing primer, and improper technique. Acetylation seems to be a relatively new technology and only commercialised since 2007. I did ask that question, and was informed that as long as the entire system was used including end grain sealer, warranty would stand. Due to Accoyas exceptional dimensional stability, barely shrinking or swelling, coatings will last longer. Accoya is wood. Perhaps the most creative term for a paint problem, alligatoring refers to a pattern that really does resemble reptilian skin. Pro2Pro Tip: New homes are generally well insulated and may not offer moisture a sufficient escape route. It's also brittle - not a problem for windows, but Ive seen door tenons snap. The penetrating, matt finish allows the beauty of the grain to show through. Register today and take advantage of membership benefits. not paint then? sign up to our monthly project newsletter. -. This has been awarded to Accoya because it is fully circular. If using a roller, fill the roller tray halfway. Do you want to request a sample or know where you can buy it? We and our advertising partners use cookies on this site and around the web to The timber industry has made immense strides when it comes to performance and sustainability. ;el>#mB]wf6ugv4NdX(?V{XQ!Wq_Z9n9u8T'~QRun .]> It tends to be most visible on pale-colored flat paints and is likely to occur on improperly sealed porous materials and poor-quality, factory-finished aluminum siding. Copyright 2023 This Old House Ventures, LLC. Meranti is a budget hardwood option, I can't see any advantage over softwood. Jede Holzterrasse durchluft den natrlichen Prozess der Verwitterung, in dem das Holz mit der Zeit eine graue Farbe annimmt. 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. Such unsightliness can strike a variety of surfaces, indoors and out, from plaster to wood and siding. 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. This process creates extremely dimensionally stable and durable wood. Eliminate excess moisture conditions externally by waterproofing and repairing cracks, repointing, and sealing around windows and doors with butyl rubber caulk. Colorless water repellents may prevent efflorescence from recurring, as may silicone or acrylic coatings. Accoya isn't real wood; there is no accoya tree. Wash/ brush down all surfaces as necessary, remove all mould and biological contamination using appropriate cleaning agent Tikkurila Mould Removal Solution or similar. 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. There is not one specific brand of paint to use. Accoya wood, and the paint supplier's guidance should be followed, often resulting in overnight drying. Hopefully you now know what Accoya is.

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