Sapele in particular seems to be a very tough hardwood. 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. 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. To minimize absorption, let the first coat dry before applying additional coats. Ideally, stick to one formula to avoid blistering: latex over latex and oil over oil. 2 aluminium and 2 top coats ? or the paint film has been damaged by aggressive atmospheric agents. Do you want to request a sample or know where you can buy it? Stirring too quickly or for too long can introduce bubbles to the paint that could transfer to the surface. Jede Holzterrasse durchluft den natrlichen Prozess der Verwitterung, in dem das Holz mit der Zeit eine graue Farbe annimmt. 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. It may not display this or other websites correctly. As long as its from a good source . Z0H"*. Over-thinning paint prior to application can also lead to chalking. Accoya wood is Class 1 durable and surpasses even the most durable old growth tropical hardwoods such as teak. Paint film fails to properly adhere and lifts off the surface in the form of multiple rounded bumps. 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. 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. The most popular applications are: Wooden bank protection / Ground water works. Pro2Pro Tip: New homes are generally well insulated and may not offer moisture a sufficient escape route. Then remove all blistered paint, sand smooth, clean, prime, and repaint. Accoya is the brand name of this modified wood. Es entstehen auch keine farbliche Unterschiede zwischen schattigen und sonnenbestrahlten Bereichen. Edited by Wozy68 on Tuesday 9th May 10:23, http://www.gshaydon.co.uk/blog/category/wood-facts. 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. checking), then develops into wide rectangular cracks. 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. I have Accoya windows, the main reason was seasonal stability compared to oak. JavaScript seems to be disabled in your browser. Plus, sticking or jamming doors and windows are a thing of the past with Accoya. 2. If damage is extensive, you may need to repaint the entire surface. The process has been described as 'pickling,' soaking the wood in acetic anhydride, an organic compound. Combine with Teknos paint for a long-lasting extension. The wood is modified right through to the core. Acetic anhydride is recycled and used in future production batches. Visit our where to buy page to get in contact. Alligatoring tends to be more common with oil-based paints. The tech behind Accoya is centuries old, so I'd have no issues using it. 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. Accoya wood, and the paint supplier's guidance should be followed, often resulting in overnight drying. What is acetylation and why does it make Accoya so special? 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. 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. We hope to be able to answer that question in this blog. or if you are doing it yourself you can find suppliers local to you. If not, with the right technique, you can repair a poorly painted spot without a lot of headache. Get the latest This Old House news, trusted tips, tricks, and DIY Smarts projects from our expertsstraight to your inbox. placement and use of these cookies for these purposes. not paint then? Thankfully with Accoya's excellent durability, the issues with rot become controlled, at least to some extent. Such unsightliness can strike a variety of surfaces, indoors and out, from plaster to wood and siding. The acetylation process strengthens the wood so it offers better performance, sustainability, durability, and more. Cracking If your paint has cracked, it means the paint was too thin or may have dried too fast. Jamming in the winter would of been a pain. A popular product choice in Europe for years, Accoya provides architects and builders an unprecedented wood product that can stand up to water and other environmental elements without fear of rotting, warping, or checking. Jamming in the winter would of been a pain. Improve interior ventilation as needed with exhaust fans, wall vents, and/or louvers. The process adds nothing to the wood that is not naturally present. In addition, its superior stability means less frequent coatings and maintenance. Joe is correct about the dust, it is finer than most softwoods because the timber bone dry (about 5% usually). This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. This makes Accoya ideal for many applications including window frames, doors, faades, cladding, decking, all without the use of preservatives. This even applies when using the wood . Accoya wood is highly rot-resistant and very stable across varying climates. In order to fix the problem, you'll need to remove the paint, sand down the surface and apply primer, then repaint. Paint naturally expands and contracts in response to temperature fluctuations and, over time, loss of elasticity can result in alligatoring. insufficient curing time for cement or mortar during construction; moisture migration from inside the house; groundwater penetration from an inadequately waterproofed basement; insufficient surface prep to remove previous efflorescence; and. Visit our where to buy page to get in contact. 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. Register today and take advantage of membership benefits. For more information visit our cookie policy page. 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. It's also brittle - not a problem for windows, but Ive seen door tenons snap. Copyright Accsys 2023, Accsys is a trading name of Titan Wood Limited. 0 I've never used it yet but thought the same as you. On interiors, moisture passing through the walls from bathrooms, kitchens, basements, and laundry rooms can push paint off the surface. 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. You are using an out of date browser. A tried and tested partnership for external joinery. 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. The only downside is that it smells of vinegar until its sealed. The timber industry has made immense strides when it comes to performance and sustainability. 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. Great stuff. Appearance Primarily clear of knots with little figuring. Although, within each brand there may be some products that are better suited for use on Accoya than others in certain situations. Best of all, it will stay this way in the long run, allowing you to enjoy your wood for years to come. 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. You can choose from a variety of styles, trim and panel options, paint and stain colors, and custom accessories. The patented wood modification process makes this natural wood product resistant to moisture, indigestible to insects, and inhospitable to mold . You are using an out of date browser. Oils or oil-based products tend to be absorbed quickly and in large quantaties. 'Accoya wood may be finished with semi and non-film forming paint systems such as stains and oils'. If the blisters contain several coats of paint and popping them reveals bare substrate, theres a moisture issue. Interested in Accoya? Accoya isn't real wood; there is no accoya tree. Its at this point its journey isnt the same as other timber. We and our advertising partners use cookies on this site and around the web to Some paint imperfections, however, are more conspicuous and harder to overlook. All common paint systems can be used to finish Accoya wood. When it comes to paint, Accoya is an ideal material. Sie knnen Ihre Cookie-Einstellungen jederzeit verwalten. Such issues must be addressed, the sooner the better, not only to restore the painted surface but to investigate potential underlying problems. Ensure surface is clean and free from mould, dirt, grease and other forms of contamination. You can manage your cookie settings at any time. If you detect bubbles during application, slow your stroke speed. 1. Lasting 50 years above ground, and 25 years in ground or freshwater, it has Class 1 durability. ( I really wanted Oak). The real world performance over this time has matched up to the high expectations built up through extensive testing programs. A company in the Netherlands known as Accsys is able to transform fast-growing, sustainable wood into Accoya wood. The pigments in paint are naturally released when exposed to weather changes, so some chalking is to be expected over time. There is not one specific brand of paint to use. Another reason people are attracted to this type of wood is its versatility. I have no experience of Sapele, so couldn't comment. Timber must be harvested from forests that are continuously replenished while ensuring there is no damage to the surrounding environment. 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. Accoya wood offers unsurpassed dimensional stability and Accoya is the brand name of this modified 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. The combined quality and service levels of Accoya, Tricoya and Teknos are one . 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. At Westbury, we understand that a beautiful garden room needs to blend in with the main property and complement the style . 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. Built with Accoya modified wood, the TimberLife series offers structural stability, design flexibility, and the rich look of real 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. 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