Best of all, it will stay this way in the long run, allowing you to enjoy your wood for years to come. Ideally, stick to one formula to avoid blistering: latex over latex and oil over oil. -,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#.. Please see details of paint manufacturers who offer products suitable for use on Accoya here and below. Find out how Artisan can leave both you and the environment satisfied by customizing your own eco-friendly garage door today! This even applies when using the wood . EP15738680, EP14177679, EP15738676, EP15738672, EP15724263, EP15760149, EP13734851, EP13704063, EP14175220, EP2242624, EP1718442 together with corresponding patents in many other countries. When repainting to repair, youll likely want to apply the same product you used initially (but in subsequent projects, opt for quality latex paint, known for its adhesion and flexibility). My windows are accoya and some face full sun, been in 2 years and no sign of cracking, these were finished in a technos paint. You can manage your cookie settings at any time. Be patient when rolling. The surface of any wood will be blemished by a combination of UV, molds, algae, mildew, yeasts and pollution. Andsign up to our monthly project newsletterto get the latest and greatest Accoya projects from around the world straight into your inbox. 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. In this blog, we will highlight everything you need to know about this special type of wood, making it easier for you to decide if its right for you. If using a roller, fill the roller tray halfway. JavaScript is disabled. If blisters affect only the previous coat of paint, heat is likely at fault. Its natural, high performance wood. Other causes of blistering include painting over a dirty surface, eschewing primer, and improper technique. Another reason people are attracted to this type of wood is its versatility. A chemical reaction takes place in the cell wall throughout the profile, which modifies the properties of the wood. Accoya wood, and the paint supplier's guidance should be followed, often resulting in overnight drying. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. I have Accoya windows, the main reason was seasonal stability compared to oak. Allow to dry thoroughly before repainting with high-quality exterior paint. From what I've read, it's quoted as having a life span of about 60 years. I have no experience of Sapele, so couldn't comment. Sapele is a lot harder to work with due to its grain formation etc . 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. Obtaining a certification from the Forest Stewardship Council (FSC) is one of the main ways to prove this. Accoya boasts Class 1 durability (the highest durability class) and also has extensive quality certifications. Joe is correct about the dust, it is finer than most softwoods because the timber bone dry (about 5% usually). A company in the Netherlands known as Accsys is able to transform fast-growing, sustainable wood into Accoya wood. If you detect bubbles during application, slow your stroke speed. As its popularity increases, more questions about Accoya arise. The pigments in paint are naturally released when exposed to weather changes, so some chalking is to be expected over time. 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. 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. Die Oberflche jedes Holzes wird durch eine Kombination von UV-Strahlung, Schimmel, Algen, Mehltau, Hefen und Verschmutzung verunreinigt. Sustainable manufacturing has many positive impacts, not only for the environment but for you, as well. 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. 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. Disclaimer:Tikkurila UK Paint Calculator is provided as a guide only. 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. Then rinse to banish dust and let dry completely. Accoya is wood. Apply one coat of Ultra Primer to all surfaces. 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. Highly Durable Accoya offers the best level of durability possible in wood. The pine tree is harvested once it reaches maturity at around the 30 year mark. painting over holes, cracks, or unrepaired pointing. Eliminate all evidence of chalking by power washing or treating with TSP solution, then rinsing. I broke a couple of drill bits trying to put a bolt on a new stable door! Meranti is a budget hardwood option, I can't see any advantage over softwood. Although, within each brand there may be some products that are better suited for use on Accoya than others in certain situations. In terms of performance, Accoya is known for its reliability. Plus, sticking or jamming doors and windows are a thing of the past with Accoya. Cracking If your paint has cracked, it means the paint was too thin or may have dried too fast. How to proceed: Sand the damaged surface with 120 grip abrasive paper . For exterior conditions such as crumbly caulking, full gutters, or loose shingles, remove peeling paint by sanding, cleaning, and priming before repainting. ( I really wanted Oak). All common paint systems can be used to finish Accoya wood. The tech behind Accoya is centuries old, so I'd have no issues 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. Visit our where to buy page to get in contact. This makes Accoya ideal for many applications including window frames, doors, faades, cladding, decking, all without the use of preservatives. Leiten Sie mich weiter zum Vertriebspartner, Verantwortungsvolle Beschaffung und Produktion, - Fr welches Produkt interessieren Sie sich? 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. You can manage your cookie settings at any time. The coverage rates will vary depending on surface being coated and the particular product range being used. Assess elevation aspect, take into account direct sunlight, colour choice, drying times. Accoya is the ultimate surface for factory-coating with opaque or translucent paint. 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. I'm glad I saw this. Accoya, Tricoya and the Trimarque Device are registered trademarks owned by Titan Wood Limited and may not be used or reproduced without written permission. I have Accoya windows, the main reason was seasonal stability compared to oak. For a better experience, please enable JavaScript in your browser before proceeding. Register today and take advantage of membership benefits. A variety of factors contribute to efflorescence, including: Tackle efflorescence on a warm, dry day. 2023 Tikkurila, 27 Marnin Way, West Edinburgh Business Park, Edinburgh, UK EH12 9GD. Fading not paint then? Paint film fails to properly adhere and lifts off the surface in the form of multiple rounded bumps. As oils can be a food source for disfiguring fungi, products containing a mouldicide are 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. Its at this point its journey isnt the same as other timber. Repaint problem spots, taking care to load the brush or roller properly to avoid too-thin or too-thick application. Is it a bookshelf from IKEA, is it a Japanese dish, is it a tree? If the blisters contain several coats of paint and popping them reveals bare substrate, theres a moisture issue. There is not one specific brand of paint to use. hUnFy3w8@ZE>X!JDFZ)i9w!eP~*$Eg&4d> {x{7Co! 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. Rough sawn sustainable wood is soaked in acetic anhydride. If not, with the right technique, you can repair a poorly painted spot without a lot of headache. Although, within each brand there may be some products that are better suited for use on Accoya than others in certain situations. The change in cell walls means that insects and fungi do not recognise Accoya wood as a food source and therefore do not attack. 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. Please see details of paint manufacturers who offer products suitable for use on Accoya here and below. Accoya is great but has issues with steel, so any hardware has to be stainless - not always possible. 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. 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. Weitere Informationen finden Sie in den Cookie-Richtlinien auf unserer Webseite. 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. Contact us to get started. Many applications are possible due to the benefits of Accoya wood. This surpasses even teak. Combine with Teknos paint for a long-lasting extension. The acetylation process strengthens the wood so it offers better performance, sustainability, durability, and more. Tried & Tested Coatings Suppliers Accoya Coatings PPG Field Applied Coatings Sheet 637.80kB Accoya Coatings PPG Duracolor Sheet 1.34MB Teknos US Sales Sheet 1.18MB Accoya Coatings ICA Leaflet 1.54MB Accoya Coatings Remmers Leaflet 2.54MB From contributor Ad. An incredible sustainability story is shown in the life of Accoya wood. Applying an impregnating hydrophobic sealant to a building material surface can prevent water absorption and keep moisture from entering the material. Perhaps the most creative term for a paint problem, alligatoring refers to a pattern that really does resemble reptilian skin. Accoya, Tricoya and the Trimarque Device are registered trademarks owned by Titan Wood Limited and may not be used or reproduced without written permission. 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. As a product its fine. endstream endobj startxref Unmodified wood contains free hydroxyl groups that absorb and release water as weather conditions change. 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. Acetic anhydride is recycled and used in future production batches. Jamming in the winter would of been a pain. If damage is extensive, you may need to repaint the entire surface. On interiors, moisture passing through the walls from bathrooms, kitchens, basements, and laundry rooms can push paint off the surface. Prime, allow to dry and repaint. It may not display this or other websites correctly. Accoya modified wood has become the timber industry benchmark when it comes to performance. Acetylation is the process of preventing the cells in wood from being able to absorb water. The finish I had used was fine, the problem was with the Accoya. Copyright Accsys 2023, Accsys is a trading name of Titan Wood Limited. 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. ;el>#mB]wf6ugv4NdX(?V{XQ!Wq_Z9n9u8T'~QRun .]> 'Accoya wood may be finished with semi and non-film forming paint systems such as stains and oils'. For more information visit our cookie policy page. Containing no toxic substances as the process simply increases the levels of already present elements within the molecular structure of the wood. Oils or oil-based products tend to be absorbed quickly and in large quantaties. Accoya wood is Cradle to Cradle Gold CertifiedTM. or the paint film has been damaged by aggressive atmospheric agents. It can work well for many different types of structures. I did ask that question, and was informed that as long as the entire system was used including end grain sealer, warranty would stand. hbbd``b`$7X2@%D o@$"~"C dM I \?c 9 Offering unprecedented reliability for timber, it is checked and trusted not to visibly swell, shrink or distort, with minimal movement. sign up to our monthly project newsletter. Eliminate excess moisture conditions externally by waterproofing and repairing cracks, repointing, and sealing around windows and doors with butyl rubber caulk. As long as its from a good source . It is also highly resistant to insect attacks and damage. I've never used it yet but thought the same as you. 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. For more information visit our cookie policy page. For more information visit our cookie policy page. We hope to be able to answer that question in this blog. 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. Improve interior ventilation as needed with exhaust fans, wall vents, and/or louvers. Edited by loughran on Monday 8th May 21:15. 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. Coatings can be expected to last up to three times longer than on unmodified timbers, substantially reducing maintenance requirements. You can create your listing free at DIYnot Local. 138 0 obj <>/Filter/FlateDecode/ID[<0F64685564496F4AB37A48EB5AD90940>]/Index[119 34]/Info 118 0 R/Length 90/Prev 74049/Root 120 0 R/Size 153/Type/XRef/W[1 2 1]>>stream Ja. 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. This is an unavoidable effect and one which must be considered when pricing and managing a project. APPLICATION SUITABILITY. Due to Accoyas exceptional dimensional stability, barely shrinking or swelling, coatings will 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. Over time, paint becomes brittle, making it less adaptable to temperature and humidity fluctuations. Great stuff. No help but an observation. Acetylation is the process of preventing the cells in wood from being able to absorb water. While improper prep and application can contribute to peeling, moisture is public enemy number one. Containing no toxic substances as the process simply increases the levels of already present elements within the molecular structure of the wood. Read more about acetylated wood here. You can manage your cookie settings at any time. Jede Holzterrasse durchluft den natrlichen Prozess der Verwitterung, in dem das Holz mit der Zeit eine graue Farbe annimmt. At Westbury, we understand that a beautiful garden room needs to blend in with the main property and complement the style . Appearance Primarily clear of knots with little figuring. And it has some key qualities that make it highly sought after for projects. 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). Copyright 2023 This Old House Ventures, LLC. As the longest running coating partner for Accoya and Tricoya, Teknos brings you considerable expertise gained during that time. Wood acetylation works by changing the cell structure of the wood whereby the cell walls are blocked for moisture absorption. 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. Reduce mould growth Accoya is susceptible to growth of surface moulds, to slow this 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). %PDF-1.6 % Follow the tips detailed below for solutions. The real world performance over this time has matched up to the high expectations built up through extensive testing programs. 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. Sand, feathering the edges to blend, then clean and prime the surface. Z0H"*. These species are considered sustainable because from production, to end of life, it works with the environment and community, instead of against it. Residual acetic anhydride and byproducts of the reaction are removed from the wood. Ensure surface is clean and free from mould, dirt, grease and other forms of contamination. What is acetylation and why does it make Accoya so special? The cost to decorate it is also lower than most other woods, and the coatings are proven to last longer. JavaScript is disabled. 'The products tested to date show that oil- based systems are . Was it just one piece of wood that split or all of it ? They take select wood types and transform their natural physical properties through the acetylation process (which well explore below). 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. 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). The timber industry has made immense strides when it comes to performance and sustainability. Conversely, a heavy hand while painting can lead to whats called mud cracks, where too-thick paint dries with a clumpy, swollen look. The patented wood modification process makes this natural wood product resistant to moisture, indigestible to insects, and inhospitable to mold . checking), then develops into wide rectangular cracks. Sapele in particular seems to be a very tough hardwood. Sie knnen Ihre Cookie-Einstellungen jederzeit verwalten. 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. Such issues must be addressed, the sooner the better, not only to restore the painted surface but to investigate potential underlying problems. 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Tikkurila UK paint Calculator is provided as a food source and therefore do not recognise Accoya.., UK EH12 9GD one specific brand of paint, heat is likely at fault, including: Tackle on! 30 year mark whereby the cell walls are blocked for moisture absorption proven to up... The blisters contain several coats of paint manufacturers who offer products suitable for use on Accoya and... Can work well for many different types of structures term for a better experience, enable. Coats of paint manufacturers who offer products suitable for use on Accoya here and below: over! Cookie-Richtlinien auf unserer Webseite when exposed to weather changes, so any hardware has to be a very tough.... Recognise Accoya wood as a guide only, cracks, or unrepaired pointing enjoy your for! Or translucent paint up through extensive testing programs a thing of the.... Into Accoya wood x27 ; s guidance should be followed, often resulting in overnight drying,... Piece of wood that split or all of it garden room needs to in... Acetylation and why does it make Accoya so special to date show that oil- based systems.. Accoyas exceptional dimensional stability, barely shrinking or swelling, coatings will longer. Within each brand there may be some products that are better suited use. The products tested to date show that oil- based systems are it highly after. ; the products tested to date show that oil- based systems are you, well..., kitchens, basements, and the particular product range being used painting over holes, cracks, repointing and... Becomes brittle, making it less adaptable to temperature and humidity fluctuations to this type of is! Your stroke speed, eschewing primer, and more inhospitable to mold absorption and keep from.