should blue grit the ceiling, then tape the joints or the other way round? The plaster shouldn't come away on your fingers. You should only need to apply one coat, so once it has dried it you are good to go! We look forward to hearing from you! It may not display this or other websites correctly. An example of data being processed may be a unique identifier stored in a cookie. However, fluctuations in temperature may yield different results, for instance, the drying time may take a little longer in lower temperatures, or Blue Grit may dry sooner if the surrounding atmosphere is warmer. Whilst it isnt that thick it will add an extra 1-2mm to the original surface. In comparison, when you are working with PVA, the time is very dependent on the background and the level of suction. This isnt that big of a deal, but the time it takes to apply blue grit will be longer than a dilute PVA solution. Creates better key on smooth backgrounds. If you need to find a tradesperson to get your job done, please try our local search below, Generally speaking, Blue Grit takes 24 hours to dry. are available, such as PVA Bond, which can be used for bonding thanks to its inherent adhesive properties. How Long to Leave a Fridge Freezer After Moving? PVA is commonly used in plastering and decorating, but it's best approached cautiously. Just wondered if I should blue grit the ceiling, then tape the joints or the other way round? DIY Plastering - Plastering Help - DIY Plastering. A single layer of plaster is rarely recommended and most often used when someone wants to carry out a quick touch up as a DIY project to repair a small crack or bumpy layer on their internal wall. Save some money and do that yourself and just get the plasterer in to skim over it. If you wait too long, you can often dampen the wall with a PVA solution or even a water mixture to make the surface pliable. Choosing the Correct Paint Sheen for Your Project, If you push your fingers into the plaster, you should be able to make an indent, BUT. Blue grit is applied with either a paint brush or a short pile roller. I massively prefer plastering onto blue grit than PVA. This is a DIY forum. It provides an improved key to backgrounds such as concrete, plaster and tiles, and contains a fine aggregate that is coloured blue to allow for the easy identification of covered areas. Dont miss our BC Profileshelp and advice page. Can you Blue Grit over wallpaper? Yes, it's called diy plastering forum. If you can't get an even second coat, a further option is to go for a third layer, using thin plaster coating to trowel a consistent finish. Continue with Recommended Cookies. Home Improvement editor at NWrenovations.com, Enter your details and find a local tradesman in your area. I'm off now to tell people only advanced questions are allowed from now on right? Choose us as your flooring contractor! Kitchen Islands: Everything you need to know. Our extensive Help section is full of information on how BC Profiles can work for you. If you feel any give or hear hollow sounds when testing then the plaster hasn't dried yet and needs more time before painting over it. During plastering, the opposite applies, and you want to keep the plaster a little wet where possible if you intend to use a second layer over the top. If I see that sugary look heads upomg.. Asbestos maybe, The way this years going I think if the ceiling falls down it will be the least of my problems ha. This means you need to apply more PVA. To skim artex I use gardz or beeline sealer as cheap (it's pva emulsion) then when dry I use plastering pva and bang on the plaster when tacky. u/DryPanda8965 Protect adjacent surfaces from splashes and remove any Feb Febond Blue Grit before drying with warm soapy water. Ive been plastering since 1999 and Ive had the fortune to have been taught by my dad. Just everyone in general. If youre resurfacing on the likes of concrete, plaster, glazes tiling and painted surfaces, chances are that youre going to need to use Blue Grit but what is blue grit? Very dry plaster doesn't have optimal adhesion qualities, so the second coat can be less even on this brittle surface - the perfect texture to aim for is tacky but not wet. You can plaster directly over hardwall the day after. With that said, at a standard room temperature, Blue Grit will be dry within one day. Need a thorough hardwood floor refinishing for your old house in Chesapeake, VA? Btw pretty sure "what is a star?" Flatten the plaster on the base layer fairly quickly, using a wet brush to add water if the application is already becoming rigid. The old dry plaster absorbs the water from the application so quickly that it's challenging to start your second coat in time. Every Tuesday I'll bring you tutorials, tool reviews and vlogs all about plastering.M. This means you will use more plaster on your first coat. Want your kitchen flooring done the right way? These types of products are ideal for repair, maintenance and improvement projects where difficult surfaces are likely to be encountered and are a perfect solution in tiled bathroom or kitchen areas where the removing of old tiles could cause costly damage to the existing wall behind. Pay in interest-free installment with Klarna, All the Latest News, Products & Special Offers. Extensive range of high-quality products since 1992 Blue grit generally takes around 24 hours to dry, however, the drying time can vary depending on the environment that the application is taking place in. Use sand paper. The thing with PVA, is it should be tacky when you are applying plaster. Jan 10 '23, We've had a few plasters come round and give us a quote, 1.that he would add tape to big cracks before plastering Our many years of experience in the trade allows us to take on virtually any flooring job and work on it with unfaltering devotion and effort. Shopifys default cookies dont collect any personal or sensitive information or IP addresses. Feb Febond Blue Grit is coloured blue to help avoid missing any areas. Im worried about doing the postal test because Id have to disturb the artex. A thin, milky consistency is ideal for preventing the PVA from forming a layer on top of the wall that won't tackle the problem. Masonry painting has never caused an issue for me before. This means drying time can vary, and on higher suction backgrounds the glue may go off faster. Skim too soon, or wait too long, and the polished surface you're after will be much harder to achieve. Protect adjacent surfaces from splashes and remove any Feb Febond Blue Grit before drying with warm soapy water. You can find out more and learn about how to withdraw your consent at any time, by clicking here: Privacy & Cookies Policy. As we mentioned previously it provides really even suction over different backgrounds this can be really useful as it makes the transition between different surfaces very smooth. Our extensive Help section is full of information on how BC Profiles can work for you. However, the colour does make it easy to identify where you have already applied it. They were there when the flats were first built though because Ive lived here since then. The Blue Grit needs to bond with the wall itself rather than the wallpaper, the paper will hold all of the weight of the Blue Grit, plaster or whatever else youre keying to the surface rather than the wall. I could go on with options and they all work fine. We are passionate about the products we produce, we have always worked on the simple premise that Trade User will only come back for good products, so that's all we make! To Strip or Not to Strip: Painting over wallpaper. I have 2 products I intend to use, Mapei Plaster Primer and Blue Grit. Our BC Profiles team have put together a list of must-know info on everything Blue Grit for whatever project or repairs youre planning, so read on below to find out more! Scratching the new plaster with a wire brush is a great way to assist in proper adhesion and give the next layer a good surface to bond with, avoiding issues such as peeling. It provides an improved key to backgrounds such as concrete, plaster and tiles, and contains a fine aggregate that is coloured blue to allow for the easy identification of covered areas. That way I can feel superior about really insignificant stuff. Every Tuesday Ill bring you tutorials, tool reviews and vlogs all about plastering.My names Anthony and Im a third generation plasterer from Prestatyn in North Wales. Make use of our years of industry experience with access to our expert How-To Guides. Save some money and do that yourself and just get the plasterer in to skim over it. For a better experience, please enable JavaScript in your browser before proceeding. With the popularity of bonding agents increasing, theres now no excuse for anything but perfect plastering! The idea is to apply the second coat after smoothing out any lumps or bumps with a trowel, finessing the corners and ends where the wall meets a join or door. Then use Mapei cement based rapid-set adhesive (Mapeker) to Tile. A skim coat is the final application and glides over the top to provide a smooth, dent-free surface that is perfectly even and ready for painting. For a better experience, please enable JavaScript in your browser before proceeding. Undercoat plaster is called bonding plaster - this is your first layer applied to a new wall or as an initial coat for a patched wall that needs repairs. Skimming is the process of laying a thinner layer on top of the first, and you can usually start work on the next phase pretty quickly, but the timing is everything! On smooth, non-porous substrates such as glazed tiles and concrete, further preparation is needed as the surfaces required a key for the plaster to adhere to. Skimming plasterboard can follow the usual steps of two plaster coats, but it might be possible to skim a very thin second coat. I think these days it's a no brainer to use blue grit. It will be better to remove the wallpaper first, then apply plaster. More predictable, consistent finish and it's somehow come down in price since lockdown!?. It all helps fund the channel. I've never really had an issue with suction when . It depends on the surface you are plastering - but it's impossible to smooth over inconsistencies in the surface once your first plaster layer has completely dried through. Technical information? You must log in or register to reply here. Mix solutions into your plaster that give you additional time before the mixture sets - plasterers use a range of options, including blue grit, retarders and even cream of tartar! You are using an out of date browser. https://www.reddit.com/r/DIYUK/comments/1085l03/blue_grittape_before_plastering/, r/DIYUK Blue Grit is available in both5litreand10litretubs. Don't believe there would be issues it's just used as a key after all. March 20, 2014 at 5:12 pm. You should be ok leaving it 8 weeks before skimming but a coat of pva or even better sbr would be worth it, just make sure to let it dry at least until it is tacky. The council didnt specify which flats they tested and they didnt explain why some had asbestos and some not. As we've covered, the temperature in the room, ventilation and thickness of the plaster will all influence how long you'd need to wait for a completely dry surface. (You must log in or sign up to reply here. It is quite thick, so not the easiest product to work with. May 13, 2018. We use strictly necessary cookies (or similar small data files) to provide you with the best possible website user experience. The website is built using Shopify. how long to leave blue grit before plastering how long to leave blue grit before plastering. read this f. Link Checker by AddonsLab: invalid license detected. Since 1992, Pay in interest-free installment with Klarna, All the Latest News, Products & Special Offers. By clicking ACCEPT, you agree to such purposes. May 22, 2022 | In best taco salad recipe | . Make use of our years of industry experience with access to our expert How-To Guides. 1 / 2 And that worried me because when i pulled some tape off the ceiling it did take a paint layer with it. In warmer temperatures, it can be reasonably dry as soon as 8 hours after application. The blue grit will enhance the plaster's productivity and increase its adhesiveness. #1 Due to the plaster shortage, i am likely to not get hold of multifinish for a few weeks. 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The popularity of bonding agents increasing, theres now no excuse for anything but perfect plastering are applying plaster reasonably. Means drying time can vary, and the level of suction, using wet! Your first coat tool reviews and vlogs all about plastering.M blue grit before plastering how long to leave Fridge... You should only need to apply one coat, so once it has dried it you applying... You with the popularity of bonding agents increasing, theres now no excuse for anything perfect..., such as PVA Bond, which can be used for bonding thanks to its adhesive.