A tried and tested partnership for external joinery. Create a less peel-prone environment inside and out by implementing the following recommendations. 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. Acetylation seems to be a relatively new technology and only commercialised since 2007. I have Accoya windows, the main reason was seasonal stability compared to oak. Accoya isn't real wood; there is no accoya tree. %PDF-1.6 % Then remove all blistered paint, sand smooth, clean, prime, and repaint. And unfortunately, cracks can appear simply due to age. We and our advertising partners use cookies on this site and around the web to Proven performance on Accoya When used in combination with Teknos Aqua Primer 2907, Intergrain UltraDeck, NaturalStain and Cabot's Timbercolour will help to protect against the growth of surface moulds, Accoya website.and provide long cycles between maintenance. 152 0 obj <>stream First, you cringea natural reaction to that tiny ding on a relatively new paint joband then you shrug. Accoya is great but has issues with steel, so any hardware has to be stainless - not always possible. Thankfully with Accoya's excellent durability, the issues with rot become controlled, at least to some extent. Alligatoring tends to be more common with oil-based paints. Copyright 2023 This Old House Ventures, LLC. EP15738680, EP14177679, EP15738676, EP15738672, EP15724263, EP15760149, EP13734851, EP13704063, EP14175220, EP2242624, EP1718442 together with corresponding patents in many other countries. You can manage your cookie settings at any time. 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. Resene Bokara Grey You can create your listing free at DIYnot Local. What is acetylation and why does it make Accoya so special? We have been using Accoya for the last 4 years and find it extremely stable, we have not notice any obvious health risks while using it during this time. Ideally, stick to one formula to avoid blistering: latex over latex and oil over oil. Sapele in particular seems to be a very tough hardwood. Some of the most common uses are: Whether you choose to use it for a small or large project, this particular type of wood carries the reputation of being one of the best choices when it comes to timber. Acetic anhydride is recycled and used in future production batches. It can work well for many different types of structures. Jamming in the winter would of been a pain. Elevations with less direct sunlight will not suffer as badly, similarly light shades and colours with high light reflectance values LRV will reduce the effects of heating. 2023 Tikkurila, 27 Marnin Way, West Edinburgh Business Park, Edinburgh, UK EH12 9GD. Wash/ brush down all surfaces as necessary, remove all mould and biological contamination using appropriate cleaning agent Tikkurila Mould Removal Solution or similar. This even applies when using the wood . They dont have to work as hard to move with the wood so will sit quite happily with far less maintenance, retouching, refinishing etc. 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. There is not one specific brand of paint to use. Acetylation is the process of preventing the cells in wood from being able to absorb water. Timber must be harvested from forests that are continuously replenished while ensuring there is no damage to the surrounding environment. If you need to find a tradesperson to get your job done, please try our local search below, 0 I have no experience of Sapele, so couldn't comment. This is the reason standard wood is more susceptible to expansion and contraction, especially when used outdoors. The penetrating, matt finish allows the beauty of the grain to show through. Accoya has been used for structural purposes but is most commonly used for external joinery such as windows and doors. Remove unsightly scales by scraping, sanding, applying chemical removers, or using a heat gun. Paint naturally expands and contracts in response to temperature fluctuations and, over time, loss of elasticity can result in alligatoring. Copyright Accsys 2023, Accsys is a trading name of Titan Wood Limited. It could well be a bit like carbon fibre vs solid steel, but the sapele just felt more solid. The only downside is that it smells of vinegar until its sealed. For more information visit our cookie policy page. Teknos can help you select the optimum system Leiten Sie mich weiter zum Vertriebspartner, Verantwortungsvolle Beschaffung und Produktion, - Fr welches Produkt interessieren Sie sich? To avoid heavy buildup in corners where paint commonly overlaps, thoroughly feather out the cut-in area; then clean and prep, reapplying paint evenly. The coverage rates will vary depending on surface being coated and the particular product range being used. Please see details of paint manufacturers who offer products suitable for use on Accoya here and below. You can manage your cookie settings at any time. 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. Using household bleach, place a few drops on the suspect area and wait several minutes. Over-thinning your paint or applying it too thinly can also cause it to split. Accoya wood, and the paint supplier's guidance should be followed, often resulting in overnight drying. For example, it significantly lowers the maintenance costs of window and door frames. Alle Materialien, die ueren Bedingungen ausgesetzt sind, werden durch eine Reihe chemischer, biologischer und physikalischer Prozesse abgebaut. Another reason people are attracted to this type of wood is its versatility. 119 0 obj <> endobj 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. The finishes are easy and manageable, allowing you to save time and money in the long run. EP15738680, EP14177679, EP15738676, EP15738672, EP15724263, EP15760149, EP13734851, EP13704063, EP14175220, EP2242624, EP1718442 together with corresponding patents in many other countries. It may seem relatively expensive upfront, but because of its many benefits, you may save money in the long run. 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. Paint coatings last up twice as long when compared to a standard painted timber due to its outstanding stability. 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. 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. 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. Z0H"*. Over-thinning paint prior to application can also lead to chalking. 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. A chemical reaction takes place in the cell wall throughout the profile, which modifies the properties of the wood. If damage is extensive, you may need to repaint the entire surface. Please see details of paint manufacturers who offer products suitable for use on Accoya here and below. Accoya starts life as a fast-growing pine tree (Pinus radiata) grown in managed forests. Rough sawn sustainable wood is soaked in acetic anhydride. Jamming in the winter would of been a pain. If the blisters contain several coats of paint and popping them reveals bare substrate, theres a moisture issue. It is also highly resistant to insect attacks and damage. Are you a trade or supplier? The cost to decorate it is also lower than most other woods, and the coatings are proven to last longer. 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. 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. 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. 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. In terms of performance, Accoya is known for its reliability. Accoya is the latest "trendy " wood for joiners to cast a spell onto their customers. It's also brittle - not a problem for windows, but Ive seen door tenons snap. You can buy Accoya and Accoya products from our selection of distributors or manufacturers in your region. Available from Promain.co.uk The process adds nothing to the wood that is not naturally present. Select the supplier or trade you require, enter your location to begin your search. The production of Accoya is based on the process of wood acetylation. . As oils can be a food source for disfiguring fungi, products containing a mouldicide are 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. 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. -,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#.. 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 Engineered softwood is fine for windows. Combine with Teknos paint for a long-lasting extension. 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. 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. 2 aluminium and 2 top coats ? Accoya wood is highly rot-resistant and very stable across varying climates. This wood is known for its beautiful and long-lasting coatings. Fading Accoya is a type of wood that's hitting the building industry with a unique and more eco-friendly approach to traditional wood products. Sie knnen Ihre Cookie-Einstellungen jederzeit verwalten. Accoya is wood. Colorless water repellents may prevent efflorescence from recurring, as may silicone or acrylic coatings. Follow the tips detailed below for solutions. Accoya wood is Class 1 durable and surpasses even the most durable old growth tropical hardwoods such as teak. Acetylation is a non-toxic . Great stuff. 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. We hope to be able to answer that question in this blog. These doors even come standard with a 50-year limited warranty against rot, termites, and other expected degradation. The pine tree is harvested once it reaches maturity at around the 30 year mark. Sie knnen Accoya Holz und Accoya Produkte bei einer Auswahl an ausgesuchten Hndlern oder Herstellern in Ihrer Region kaufen. You can buy Accoya and Accoya products from our selection of distributors or manufacturers in your region. 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. Accoya is most suited for exterior/external use. You must log in or register to reply here. Paint film fails to properly adhere and lifts off the surface in the form of multiple rounded bumps. This special production process alters the cell structure of wood. EP15738680, EP14177679, EP15738676, EP15738672, EP15724263, EP15760149, EP13734851, EP13704063, EP14175220, EP2242624, EP1718442 together with corresponding patents in many other countries. Gassing Station | Homes, Gardens and DIY | Top of Page | What's New | My Stuff, 1998 to 2023 Pistonheads Holdco Limited, All Rights Reserved, PistonHeads is a registered trademark of CarGurus Ireland Limited, Pistonheads Holdco Limited, c/o Legalinx Limited, 3rd Floor, 207 Regent St, London W1B 3HH, United Kingdom. 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 most popular applications are: Wooden bank protection / Ground water works. 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. After much searching I found out it's treated pine: Yes, it's a treated soft wood. The wood is modified right through to the core. Eliminate excess moisture conditions externally by waterproofing and repairing cracks, repointing, and sealing around windows and doors with butyl rubber caulk. Applying an impregnating hydrophobic sealant to a building material surface can prevent water absorption and keep moisture from entering the material. It's almost like they didn't dip that piece of timber long enough. https://www.accoya.com/projects/project -kentucky/. The change in cell walls means that insects and fungi do not recognise Accoya wood as a food source and therefore do not attack. Some applications may call for the use of a primer containing stain blockers and/or a mouldicide. 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. Conversely, a heavy hand while painting can lead to whats called mud cracks, where too-thick paint dries with a clumpy, swollen look. Please see details of paint manufacturers who offer products suitable for use on Accoya here and below. The pigments in paint are naturally released when exposed to weather changes, so some chalking is to be expected over time. so using certain machines needs a lot more skill. Due to Accoyas exceptional dimensional stability, barely shrinking or swelling, coatings will last longer. For brush application, dip the brush in, allowing paint to cover up to one-third of the bristle length; tap the brush lightly on both sides and avoid dragging the brush against the edge of the container. 2. Accoya, Tricoya and the Trimarque Device are registered trademarks owned by Titan Wood Limited and may not be used or reproduced without written permission. It may not display this or other websites correctly. Please see details of paint manufacturers who offer products suitable for use on Accoya here and below. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. It may not display this or other websites correctly. Accoya is the ultimate surface for factory-coating with opaque or translucent paint. Interested in Accoya? Its natural, high performance wood. This wood is a non-toxic product, making it fully biodegradable. or if you are doing it yourself you can find suppliers local to 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. As long as its from a good source . Sustainable manufacturing has many positive impacts, not only for the environment but for you, as well. This also means the product has a low carbon footprint and is safe for people, pets, and the environment. 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. Reduce mould growth Accoya is susceptible to growth of surface moulds, to slow this Repaint problem spots, taking care to load the brush or roller properly to avoid too-thin or too-thick application. 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. If blisters affect only the previous coat of paint, heat is likely at fault. Eliminate all evidence of chalking by power washing or treating with TSP solution, then rinsing. APPLICATION SUITABILITY. It's Class 1 durable, which is comparable or better than the durability of hardwoods such as Jarrah, Rosewood and Teak. Peeling can also occur if paint is applied to a damp surface or to siding thats less than six inches above the ground. I should also add, Sapele is only rated as 'moderately durable.'. It also withstands the test of any climate and is highly rot-resistant. Accoya is the brand name of this modified wood. You are using an out of date browser. For the best experience on our site, be sure to turn on Javascript in your browser. So. An incredible sustainability story is shown in the life of Accoya wood. To repaint the entire surface across varying climates will vary depending on surface being coated and Google! 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