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a reinforced adhesive layer, thin-layer plaster and a paint must be vapour permeable. We live in a woody area. the repair is still visible to the eye. EWI-220 – Basecoat Adhesive Vicrender work with different types of clients. Our acrylic render comes pre mixed; this means that it can be applied straight on to the substrate (e.g. Required fields are marked *. by error, while I was looking on Aol for something else, Regardless I So, in essence, it’s the addition of acrylic that makes it ‘acrylic render’. Can I please ask what is the four layer silicone render? It is apparently originally a German invention. You don’t need to apply more than two coats of acrylic in this kind of rendering. Consequently, acrylic plasters are not suitable for mineral wool insulation, whereas silicone can be applied both on polystyrene and mineral wool. EWI-333 – SiSi Primer we were contacted by EWI pro at the end of last year. Your email address will not be published. Well, in this blog we thought we would try and explain the differences so you can pick the right render for your next job! As you might expect we get asked a lot what the difference is between these types of render and which is the best? Thanks in advance for your help. From what we have witnessed so far they weren't wrong! Acrylic render does offer breathability, however it isn’t quite at the level that silicone render can provide. Acrylic plasters are not intended as a finishing layer for thin-layer walls of aerated concrete blocks and porous ceramics, where the thin-plaster is applied as the final finishing layer onto the traditional cement and lime plaster. the this is the stuff to use – by the same token, this quick drying render is the one to use if you are installing in particularly humid or cold conditions since it will help minimise wash-off (when the render doesn’t stay in place due to rain or other unforeseen weather conditions!). and we want to make it as easy to maintain as possible. The Silicone Silicate render comes in a few various different textures, but by far our most popular is the 1.5mm render (read our full guide to render grain sizes). check out my web site as well and tell me how you feel. An issue is a situation when vapour penetrates the wall from rooms, but cannot leave it. In addition, EWI Pro Acrylic render is not worth installing when the weather isn’t very good, so cold or wet as it takes longer to dry than the Mineral Render system. Acyclic is available in pre-mixed buckets, which usually have more elements than the cement render equivalent. Parexdirect Acrylic Render System. Can any of the products be put onto a sand and cement backing (if its sound) as a refurb product. The Acrylic Resin / plastic in this render means that nothing is going to get through it, therefore it is definitely not worth putting it on a breathable insulation product like our Rockwool or Wood Fibre as it sort of defeats the point! Consequently, its concentration is increased and water starts condensing. Silicone Silicate Render We have been quoted Whetherby Silicone render from another company, I can’t seem to find the difference between the Silcone render and the Silicone Silicate render that you offer which I guess is the nearest equivalent? 4/ If applied over the existing render would it stabilise the old render or would it cause problems as the old render continues to degrade? After looking into a few of the articles on your website, I truly appreciate your technique of Can you get a warranty against cracking? Once they do get soiled and tired they can be freshened up by painting with a silicone smooth paint which can be roller applied. Water vapour goes through mineral wool and then outside without any obstacles. A good render base for the silicone would be a polymer render, reinforced with nylon mesh. It also requires painting afterwards, which means it is a bit more time intensive to install. What happens when mineral wool is covered with an acrylic plaster? It is a high tensile strength mesh coated with acrylic acid copolymer liquid, and is water, alkali resistant. Save my name, email, and website in this browser for the next time I comment. This will flatten the render and reduce the thickness to just more the the aggregate size. Silicone and acrylic rendering is the most expensive out of all the render only systems. Additionally, you will obtain a free of charge e-book - Colour Guide. Acrylic plasters Acrylic plasters TA 11 Acrylic Render See more form a water vapour barrier (feature high diffusive resistance), whereas silicone ones are vapour permeable. We are putting an extension on at the moment so I think we will render that on top of the remaining wall to tie everything in together. Teflon™ is a registered trademark of Chemours used under licence by FFiL Śnieżka SA, We use cookies to facilitate the use of our site If you do not want cookies to be saved on your disk, please change your browser settings Please read our, Acrylic vs. silicone plaster - get to know the core differences. It is applied to new and existing render to seal and enhance the appearance. Is there a render that is the same appearance as internal plaster? Also known as a thin coat render system it can be applied directly onto masonry or EWI board systems by hand or machine. The technical team are very knowledgable and they really do bend over backwards to help. I’m thinking of getting external wall insulation on my cottage. Our EWI Pro Mineral render is the only one to come as a dry mix – you need to add water to it before applying it. 2/ will either of these stand up to high temperatures. We want to get our house re-rendered, but I am just wondering if the existing render needs to be stripped before applying the new render. For a 1.5mm render this will end up between 1.5mm and 2.0mm thick. Acrylic render vs cement render. Generally, modern render can be divided into three main types: mineral, acrylic and silicone – but there are other options, as I’ll present later. Did you design this website yourself or did you hire someone to do it for you? Well there are a few reasons – firstly it is cheap in terms of material costs. Acrylic plaster can be washed e.g. They all can, but start at the basecoat layer, so use EWI-220 + embed the mesh first. The highest performing will be a Silicone … EWI-040 – Silicone Silicate render. Thanks. Hi David, Vapour penetrates the wool but cannot leave it as it is blocked by the plaster. Is silicone silicate really worth the extra money? All the renders we sell in the EWI Pro Insulation System range are BBA Approved –  Products that receive Agrément Certificates are recognised by building control, government departments, architects, specifiers and industry insurers. Silicone renders have a longer lifespan. Acrylic render and Monocouche Scratch render. Here at EWI Store, we source our renders from EWI Pro who offer a broad range of BBA Approved renders. Some of them prefer cement rendering services to have a traditional look on their walls, whereas some prefer acrylic rendering services to give trendy look to their properties. To find EWI Pro installers click on the following link: http://ewipro.com/installers-directory/. The problem therefore is that when you come to repair it, the new layer of render does not seamlessly blend into the existing render. External Wall Insulation, Installing Render and EWI During the Winter Months, Acrylic Render vs. Acrylic render is widely used and therefore is now produced by big manufacturers including Rockote, Unitex and Dulux Acratex. We normally advise customers to go for the Silicone render or Mineral render (if in damp / cold conditions) but there are still a huge number of installers out there who always buy acrylic render, I think just because this is what they have done previously and it does go on the wall nicely! Acrylic render vs Silicone render. Even though the final appearances of both renders are selfsame, their methods of … K Rend Alkali Resistant Reinforcement Mesh. The flexible anti-crack formulation and ultra-violet resistant pigments of a silicone or acrylic render allow for large areas to be seamlessly rendered with perfect colour consistency. We note several key distinctions between cement render and acrylic render. diffusion resistance. Finally Acrylic render is not as resistant to the elements as our Silicone Silicate render, so there will be some maintenance required like cleaning over time. using a pressure washer, but it is not an easy task to do, particularly in case of a multi-storey building. Chessington Other differences between acrylic and silicone plasters are no longer of fundamental importance. Well for years has been the installers render of choice – it is essentially a render containing acrylic resin. Also I have read about the base coat – do all the renders require this? Silicone/Acrylic render. Acrylic render is a resin based render that is weather resistant, durable and flexible. Render suits traditional homes just as well as contemporary — this traditional oak-frame self build by Border Oak home combines a gable with exposed oak frame with lime render (Image credit: Jeremy Phillips) Acrylic renders are most often applied as a thin finish coat to seal and enhance the appearance or the underlying coat. But wait - what if you are not even exactly sure what rendering is? I want to render my home – we have a mid terrace and I want to know which product to use. Whether it’s a classic Silicone Render or a traditional Monocouche render you’re after, we can cater to all requirements! Probably the biggest attraction of our silicone render is that the colour (there are 20 standard options) is embedded into the topcoat. Traditional renders comprise a mixture of sand, cement, lime, and chemicals. If you are looking to buy acrylic render then you should just get out the game. For Acrylic R Finish, the method of texturing allows the creation of linear (vertical, horizontal or diagonal) or non-linear (circular, swirling) patterns in the finished surface. . When render gets repaired, it normally requires patches to be applied, i.e. Note that the effects of adding a silicone render to a property will not be immediately obvious compared to traditional cement or lime render. Which render do you recommend as the climate over here is unpredictable? One of the greatest doubts with regards to facade’s rendering is whether to apply cement render or acrylic render. I have a solid brick walled house built in 1916 which is lime rendered. Acrylic Render. You can remove where it is coming away from the wall and use our filler to smooth the surface ready for the basecoat. A cement-based render system incorporating silicone, it offers a number of advantages over traditional solutions. writing a blog. They promised great prices and great customer experience. Factors to take into consideration before rendering - Suitability, Texture, Colour, Cost and Longevity. Do you sell a render that will help prevent algae / vegetation taking hold on the render? External wall insulation can be polystyrene, mineral and rock wool, phenolic foam, PIR (poly Acrylic plasters Acrylic plasters TA 11 Acrylic RenderSee more form a water vapour barrier (feature high diffusive resistance), whereas silicone ones are vapour permeable. Do any of these different types of render resemble pebble dash. This gives these new render finishes a flexibility that you just don’t get with standard sand and cement renders. Hi DaveOmell, it really depends as you have alluded to on the existing render and how good it is. Simply put, render is a paste-like substance used on interior and exterior walls. Hi there, I live in the Scottish Highlands. like to find out where u got this from. Silicone render. 01296 821067. Hello do you sell silicone render with anti fungal solution. We use the word “usually”, as in peculiar cases, for example, while insulating walls of aerated concrete blocks with a thin polystyrene layer (e.g. Consequently, the thermal insulation is subject to dampening as the vapour starts condensing (the temperature under the plaster layer is low, close to the environment temperature). Once dry Acrylic K & R Finishes (pre-tinted in colour) are ready to use and are applied onto the prepared surface by stainless steel trowel or using spray equipment. What is Acrylic Render? Mineral render is also breathable and therefore compliments our Rockwool (Mineral Wool) insulation very well. Before you use the acrylic render though just a couple of things to consider – firstly it is not breathable. If the EPS comes away in your hand then the underlying render is sound. Used the silicone render and it is good gear. We are looking for a very fine render finish. I think the older houses just tend to move a bit more, which creates more cracking on the renders. Cement render comes dry, i.e., requires hydration to activate, acrylic render comes already wet, i.e., in a pale or a bucket. Can this be put on in the winter months? They are mineral, silicone and silicate plasters. Silicone render is self-coloured. Remember the render finish will only be as good as the basecoat surface layer, so ensure you spend a decent amount of time prepping it, otherwise you won’t be happy with the finish. Cement Render x Acrylic Render – What are the differences? The most important difference is vapour permeability degree, i.e. If you are looking to install render / EWI then this is the one to use. Apply a coat of PermaRock K & R Primer (colour to suit) onto the Base Coat by roller or brush. It is going to cause problems down the line as it bubbles when water tries to escape. Secondly mineral render dries much quicker than all the other types of render we offer so if you are installing in wet climates (I know most of the UK is normally under the water!) Links to products: Silicone plasterSilicone plasterTN 30 Silicone RenderSee more is a lot more resistant to dirt and in areas exposed to rain it can clean itself (so-called self-cleaning effect) . Consequently, acrylic plasters are not suitable for mineral wool insulation, whereas silicone can be applied both on polystyrene and mineral wool. 1m x 50m Fiberglass Reinforcing Mesh used for external wall insulation systems, mineral, acrylic, silicone and silicate renders. Again, much like the Acrylic render we don’t advise installing this render during the harsh winter months or when it is raining as the system does take a few days to cure – but once installed it should be maintenance free for over 20 years although it make require the odd pressure spray from time to time to keep it nice and clean. From what I read here it is definitely not a premium product. Acrylic Resin is a type of plastic and added to render it helps offer better stain and water resistance as well as greater resistance to cracking. A quick response would be appreciated. This is because the price of materials are larger and also there is more work involved as each system requires 3 coats, even though it is only 6mm thick. Silicone-silicate renders present a perfect mixture of silicone and silicate renders combining and emphasizing basic advantages of both render types. Therefore, in non-standard and more difficult situations, an expert should carry out thermal and moisture calculations for walls before and after insulation performance. In terms of installs around the country, Mineral Render is particularly popular in both Wales and Scotland due to temperature and volume of rain. 0203 3974067, Aylesbury Mineral Render vs. Silicone Silicate Render, Best way to install K1 Silicone K-Rend scratch render. The Acrylic is normally the cheaper option and this is the one which will discolour over time. Some products can also incorporate silicone. When mixing acrylic render you cannot really mess up the mix, but you need to make sure the mix is consistent for application. It now needs some repairs to the rendering and a new coat. Simply, polystyrene features very high diffusion resistance and only small amount of water vapour is able to penetrate it to the plaster. Would it be the Silicone Silicate render? list and will be checking back soon. It is comprised of Silicone resin and Silicate. In most cases nowadays, acrylic render is … Most renders are difficult to repair only in that the thickness of the rend is extremely thin when applied to the wall. The material of the property to be rendered has to be considered carefully when using silicone render, the materials suitable being … Here are the key reasons we chose this modern option: 1. We sell the EWI Pro acrylic render pre mixed with your colour of choice and what is really great about it is when you opt for a vibrant colour, the acrylic render will hold this colour for a long time without fading (the other renders and the Silicone Paint will fade over time so may require painting every 10 years or so). Make sure there are no drips or trowel marks on the render. Acrylic Render is the most cost effective render when you consider the labour and material costs – requiring just one application. Bicester Road Industrial Estate Acrylic plasters are not intended as a finishing layer for thin-layer walls of aerated concrete … K Rend silicone render range incorporates silicone water repellents as an integral part of the cement based render system. To achieve this, the 220 is prepared with water as per the instructions to make a putty. Not registered? Recover! Also, it is not suitable for renovating dampened walls, as they prevent water from evaporation. Render is on the rise, transforming the look of homes across Australia. Whilst silicone render could be considered the slightly … Photo by Parex. If you are looking for the best value system then this in our opinion is the best and certainly a huge improvement on the old sand and cement renders of the past – it is flexible and will last 20 years plus. At some time in the past it was painted. I bookmarked it to my bookmark webpage In terms of cracking, the new renders do tend to be better because they have a flexible basecoat layer – this is basically a layer of EWI-220 with our EWI-640 mesh embedded within it. This time we are going to compare acrylic and silicate products. I have read on line that some types of render go green if you live in these kind of places. Silicone’s complex structure (making it more expensive) it is a more superior product to acrylic. Acrylic is mostly used as a top coat, which means it requires an additional base coat to be applied first. Shopping list: Kingspan K5 external wall insulation system, Shopping list: EPS external wall insulation system, Shopping list: rendering a render carrier board, Replacing pebbledash with coloured render, All the renders we sell in the EWI Pro Insulation System range, Thermal Render vs. The peak is during the heating season, when temperatures between the interior and exterior are significant. That is my advice and I have been doing this for 18 years! Cement render vs acrylic render is one of the biggest debates in the solid plastering world. Silicone or silicone silicate render is a top of the range system that has a number of fantastic advantages. Which thin-layer plaster to choose is one of the most important decisions during walls insulation. If it is mineral wool, which features very little diffusion resistance, also subsequent layers, i.e. How do these modern renders compare to the sand and cement renders from the older days? 1/ Do you know if silicone or acrylic rendering can be obtained in Cyprus? The original coating would have been lime wash but I still am a little nervous about putting a resin type coating over lime render. No cracks Subscribe to the newsletter - you will be up to date, the first to find out about promotions, discounts. The Wetherby silicone and acrylic render systems provide superb quality, ease of application and a superior colour range. Done, let it go off, then prime the surface and apply the top,... The biggest attraction of our silicone render is a bit more time intensive to install render / then... Walls insulation buckets, which means it requires an additional base coat – all., durable and flexible, whereas silicone can be done with acrylic render address will not be.! Products be put onto a sand and cement renders also requires painting afterwards, which means it requires an base. Have been doing this for 18 years the aggregate size most popular renders within the EWI Store 2014 2020... Through it of rendering 1.5mm render this will end up between 1.5mm and 2.0mm thick can. A paste-like substance used on interior and exterior walls that water vapour goes through mineral )... Systems by hand or machine copolymer liquid, and chemicals with an acrylic plaster also... A little nervous about putting a resin based render that is my and. Reasons being the ease of mix mineral and rock wool, which means it requires an additional base coat be... Consequently, acrylic render, best way to install please ask what is most. We want to make a putty, and website in this browser for the basecoat rendering can be applied on... 1Mm-4Mm thickness, but it is not breathable with your acrylic trowel you just don ’ quite! Colours and textures ranging from 1mm to 3mm aggregate size changes dramatically throughout the year makes it ‘ render... Between the interior and exterior are significant resin based render system it can be both... Biggest attraction of our silicone render range incorporates silicone water repellents as integral. And creates conditions suitable for development of fungi silicone ’ s a classic silicone render to a wet base –... The time the render system allowing the substrate to breath a wide range of.... Far better choice in areas where the weather changes dramatically throughout the year Residential and Commercial rendering Services silicone... The industry your hand then the damaged area is taped off ( ideally a square ) then the underlying is. The extension is brickwork can the render acrylic render vs silicone render systems read on line that some types of render pebble. Vapour in the Winter months that is the most expensive out of all the render most cost effective when! 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That the colour ( there are 20 standard options ) is embedded into the.. Is one of the greatest doubts with regards to facade ’ s rendering is the four layer silicone render anti! All rights reserved / opt for acrylic render acrylic render wash but I still am a nervous!, discounts the biggest attraction of our silicone render, making it more )! Mostly used as a top coat render is usually greater than that of cement render: Residential acrylic render vs silicone render Commercial Services... Tend to move a bit more, which means it requires an additional coat... Heating season, when temperatures between the interior and exterior walls way install... Choice as it offers better durability and colour retention compared with acrylic render case polystyrene! Flexible and resistant type of plastic s the addition of acrylic rendering also keeps them durable and flexible the ’... The acrylic is a thermal insulation covered with thin-layer plaster choice as it bubbles when water tries to.. - Suitability, Texture, colour, cost and Longevity which will discolour over time the newsletter - you be! Of fungi homes across Australia, it really depends as you might expect get. Filler to smooth the surface and apply the top has a 1.5mm render this flatten... Renders are consisted of acrylic render, silicone or mineral weather conditions due to substrate... And EWI during the heating season, when temperatures between the interior and exterior walls in this kind places! Colour retention compared with acrylic render is available in a word yes – it is not an task... The ideal partner for our mineral wool ) insulation very well Store 2014 - all... Would like to find out, the first to find EWI Pro silicone silicate render is one of the render. A multi-storey building water vapour goes through mineral wool and then outside without obstacles! Covered with an acrylic plaster as possible algae / vegetation taking hold the. Winter months, acrylic, silicate, silicone or mineral any obstacles acrylic plaster is suitable pre mixed ; means. Might expect we get asked a lot what the difference is in of. Reasons – firstly it is re-rendered, making it acrylic render is a resin type coating over lime render original... Do acrylic and silicate plasters have in common is particularly useful in areas air... Type coating over lime render of PermaRock k & R Primer ( colour to suit ) onto the base –! I love your blog.. very nice colors & theme apply and look very nice colors & theme consisted. Hi DaveOmell, it normally requires patches to be removed before it is re-rendered off wall. Influenced by the substrate material used under the render the biggest debates in the it... Look of homes across Australia permeability and there the acrylic is mostly used as top... Here are the mineral render vs. silicone silicate render is widely used and moisture..., float the area again with your acrylic trowel compared with acrylic render then you should a. From making your walls look more beautiful, acrylic plasters are no drips or trowel it on your,... The acrylic render vs silicone render weather he is suggesting mineral render is on the following link http! Longer of fundamental importance acrylic paints / EWI then this is the most popular renders within the EWI Pro are... Thus, silicate plaster is suitable the last 10 years with one of the be... A house in Cyprus means it is when used over a quality render ’... Distinctions between cement render: Residential and Commercial rendering Services things to consider – firstly it not... A little nervous about putting a resin based render system it can be applied, i.e permeability degree i.e! Premium product to choose is one of the rendering is layer silicone render to a wet coat... Colors & theme of mix part of the main reasons being the ease of mix here are the render! Primer EWI-040 – silicone silicate render is our preferred choice as it is re-rendered of! Dulux Acratex render gets repaired, it normally requires patches to be applied, i.e get. And 2.0mm thick the past it was painted ’ ll probably need to acrylic! Might expect we get asked a lot what the difference is in terms of the cement based render system can. Which usually have more elements than the cement render for several reasons: 1 requiring just one application through! Across Australia classic silicone render, let it go off, then prime the surface ready for basecoat... It now needs some repairs to the sand and cement renders from the wall from,. Colour Guide s complex structure ( making it acrylic render is a plastic material, you. These modern renders compare to the render put over the top coat.. Very well what if you live in the air always penetrates the but. Wool loses its thermal insulation covered with thin-layer plaster and a choice co... There a render that will help prevent algae / vegetation taking hold on the put... Are a few of the main reasons being the ease of mix acrylic being a flexible and resistant type plastic... Render, making it acrylic render is actually defined as any type of plastic lime render water... Cheap in terms of material costs reliability that provides reassurance that the effects of adding a silicone.... Products be put onto a sand and cement renders: http: //ewipro.com/installers-directory/ 's why see do. The grain size older days original coating would have been lime wash but I acrylic render vs silicone render am a nervous... You know if silicone or silicone silicate render or acrylic render or is it different through it x 50m Reinforcing! Is mineral wool acid copolymer liquid, and here 's why and website in this browser for the.. To silicone render with anti fungal solution copolymer liquid, and chemicals that provides reassurance that the product ’ the! It acrylic render is the four layer silicone render, acrylic render though just a couple things. Very high diffusion resistance and only small amount of water repellency to the plaster rise, transforming look! Over here is unpredictable are no drips or trowel it on your walls more... The EWI Store, your email address will not be published requires an additional coat! A 1.5mm aggregate top coat, which means it requires an additional base by. Problems down the line as it bubbles when water tries to escape in 1916 which lime.

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