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. Two coats of plaster are the standard since it gives the best finish - one coat is often a little bumpy and uneven. Could I Blue Grit the old plaster walls, apply Mapei Plaster Primer above that (not Primer G). Simply applied straight from the tub with a short pile roller or brush, Febond Blue Grit is quickly applied to internal surfaces and requires just one coat, with the blue colouring helping to ensure a good and consistent coverage has been applied. Skimming plasterboard can follow the usual steps of two plaster coats, but it might be possible to skim a very thin second coat. 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. 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? It is often said that the plaster on top is only as strong as the bonding agent beneath so a good coverage is essential to ensure no weak spots are found once the plaster is applied. Just that someone on here said whatever plaster I put on the ceiling will only be stuck to the last coat of paint used on the ceiling. Are you a trade or supplier? Sometimes with PVA, it is difficult to see exactly where you have already been. Plastering is a delicate art, and if you're applying two coats together, you'll normally need to wait about 20 minutes to let the surface of the first layer dry just slightly. We look forward to hearing from you! 2. Scrim tape on the cracks and SBR before skimming. Once applied, Blue Grit takes roughly 24 hours to completely dry. I know this isn't the intended use but I wondered if I could go over the wall with blue grit and then masonry paint on top of the blue grit, hoping the blue grit would adhere and also provide a key for the paint. With the popularity of bonding agents increasing, theres now no excuse for anything but perfect plastering! It also enhances the grip and bonding between materials, meaning that the application is incredibly strong and long-lasting. The surface material you're applying it onto. Fine aggregate which provides an improved key on smooth substrates. If you don't know the answer to that question I really worry for the finish on that ceiling. If you need to find a tradesperson to get your job done, please try our local search below, OR, would I apply the Mapei Plaster Primer first, and then the Blue Grit on top? Reactions: Gavine The First. Rushing is never a good idea in detailed plastering, but it's equally vital to finish both coats before the plaster sets and becomes difficult to work with. You don't always have to blue grit, sometimes just pva is good enough, but on ceilings it definately helps. Every plaster wall will be set at a different rate. Harder to apply. Make use of our years of industry experience with access to our expert How-To Guides. How Long to Leave a Fridge Freezer After Moving? I've never really had an issue with suction when . , now is the time to get to know them. This helps the following materials adhere to the surface and ensures that the application is strong and has longevity. You must log in or register to reply here. #1 Due to the plaster shortage, i am likely to not get hold of multifinish for a few weeks. You can get a postal test for about 35 quid and there is a possibilty the artex was done later than the flat was built and doesnt have asbestos in it. When plastering onto common substrates the most used preparation method is to prime the surface with a PVA such as Febond PVA The Original and then apply the plaster whilst still tacky, a method which can prove to be tricky to time correctly. All your mates use this site or something? Blue Grit is a grip coat, used by plasterers as a high-performance bonding agent for smooth surfaces. Blue Grit is available in both5litreand10litretubs. Floors, Staircases, Porches, and House Fronts. 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. How Long Does Skimmed Plaster Take to Dry? If the current plaster is hollow I dont see how blue grit can change that. How long can you leave blue grit before plastering? how long to leave blue grit before plasteringbootstrap ajax loading progress bar. Creates better key on smooth backgrounds. You must log in or register to reply here. You done that ceiling yet? He would use blue grit before he plasters, He then went on to say that if people don't put blue grit on the plaster will more likely feel hollow and pop off, As long as none of that is blown then tape it and skim it, personally Ive only use blue grit a few times over artex and didnt really see the need for the extra day on the job when I could of just pva and skimmed it. May 13, 2018. Want your kitchen flooring done the right way? 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. Once applied, Blue Grit takes roughly 24 hours to completely dry. Continue with Recommended Cookies. We calculate shipping costs at checkout to make sure you get the best price. Our crew is made up of highly-trained and well-prepared technicians who are fully dedicated to keeping up the professional image of our business and committed to the successful completion of your project, no matter its size and complexity. However, suppose the plaster is still wet. Now there are a wide range of plaster bonding agents on the market which can speed up the preparation time and provide the perfect key to all surfaces; even the more problematic ones. Only a few % but still there. But anyway I think we're going off piste. Whilst it isnt that thick it will add an extra 1-2mm to the original surface. This can include existing plaster, concrete, painted surfaces and even extremely smooth surfaces such as glazed tiles. Blue grit helps plaster stay on the wall, and big cracks need taping yes. Yes, it's called diy plastering forum. Starting with 5-1 Then a second coat with a bit less water and maybe even a third coat. Are insulated plasterboards any good Is it worth using them? You can test if the plaster is dry by tapping on it with your fingernail, and listening for a solid thud. And that worried me because when i pulled some tape off the ceiling it did take a paint layer with it. Read the full article here >> Read more, How To Choose the Correct Paint Sheen for Your Project Choosing the Correct Paint Sheen for Your Project Choosing paint sheen is as much about personal preference as it is about the amount of wear and tear the painted surface Read more, 113, Kestrel House, Knightrider St, Maidstone ME15 6LU, Factors That Influence How Long You Should Wait Between Plaster Coats, Other Considerations for Achieving a Perfect Plaster Finish, The Benefits of Preventing Plaster From Completely Drying Before the Next Coat. Just wondered if I should blue grit the ceiling, then tape the joints or the other way round? It requires thicker plaster to cover the blue grit. https://www.diyplastering.co.uk/Plaster-drying.html, https://www.diyplastering.co.uk/maximum-time-interval-limits-between-coats-when-skimming.html, https://www.diyplastering.co.uk/2nd-coat-of-plaster.html, https://www.ableskills.co.uk/blog/tutorials/how-to-apply-your-second-coat-of-plaster/, https://askinglot.com/how-long-do-you-wait-between-coats-of-plaster, https://www.plasterersforum.com/threads/time-between-1st-and-2nd-skim-coat.44263/, https://findanyanswer.com/how-long-do-you-leave-plaster-between-coats, https://www.mybuilder.com/questions/v/34221/plastering-a-large-area-how-do-i-do-both-coats-in-time-before-the-plaster-starts-to-go-off, https://www.seniorcare2share.com/do-i-need-to-pva-between-coats-of-plaster/. 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. should blue grit the ceiling, then tape the joints or the other way round? Feb Febond Blue Grit is coloured blue to help avoid missing any areas. I'm planning on changing my head gasket tomorrow. It is quite thick, so not the easiest product to work with. Also , your comment about only sticking to the painted surface. This means you will use more plaster on your first coat. Blue Grit is chiefly used to create a smooth surface, this aids with applying the likes of concrete, paint, plaster and tiles onto walls. However, the colour does make it easy to identify where you have already applied it. To Strip or Not to Strip: Painting over wallpaper. Ian1980, Sep 17, 2020 #5 fff likes this. Generally speaking, Blue Grit takes 24 hours to dry. Extensive range of high-quality products since 1992, If youre unfamiliar with the properties of. Large walls that won't give you enough time before the second coat becomes necessary can also be plastered in stages - with a skim coat at the end to ensure there isn't any difference between each section. Often, the first plaster coat does become too firm. Prior to applying concrete, paint, plaster and tiles onto smooth surfaces, Blue Grit is used as a grip coat to even out the surface as well as provide an improved key for bonding. Local installers No obligation quote Save 100s, DIY Tips Can you drain your radiators whilst they are hot? That way I can feel superior about really insignificant stuff. 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. This will allow it to achieve maximum adhesion to the sub surface. As we've seen, your first plaster coat needn't be left to dry too much before you apply the second layer. 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. cheers Sponsored Links S sircerebus666 Joined 31 Oct 2019 Messages 1,423 Reaction score 224 More predictable, consistent finish and it's somehow come down in price since lockdown!?. 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. Shopifys default cookies dont collect any personal or sensitive information or IP addresses. With blue grit if it's killed suction (not always) I bang on the plaster when blue grit is dry or pva over the blue grit and plaster when sticky.. You can also use 2 coats of sbr but plaster when second sbr is sticky. In comparison, when you are working with PVA, the time is very dependent on the background and the level of suction. Oh and please post a photo of the end result. Oct 16, 2019 #32 (You must log in or sign up to reply here. The DIY Fix is reader supported. are available, such as PVA Bond, which can be used for bonding thanks to its inherent adhesive properties. 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. You should only need to apply one coat, so once it has dried it you are good to go! As a flexible floor repair company, we also serve: Biernot Flooring, Inc. is at your disposal Monday through Sunday and you can reach us anytime over the phone after hours. Got questions? By clicking ACCEPT, you agree to such purposes. A correctly diluted PVA mixture (usually one part PVA to five parts water) can help prevent the plaster from drying out too quickly. Since 1992, Pay in interest-free installment with Klarna, All the Latest News, Products & Special Offers. The council didnt specify which flats they tested and they didnt explain why some had asbestos and some not. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Trying to plaster a smooth layer over a dried, inflexible base coat is tricky, so the best solution is often to dampen the wall with water to gain back some of that workability. Buy decent scrim though none of that b&q shite. Contact us today at (757) 255-5191! 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. https://www.reddit.com/r/DIYUK/comments/1085l03/blue_grittape_before_plastering/, r/DIYUK Another way is to sbr and let it dry then Pva and plaster when sticky.. This primer/sealer is a high performance plasterers' gripcoat. Do you mean that the blue grit is only covering the raised pattern of the artex and not in the pattern? I could go on with options and they all work fine. or if you are doing it yourself you can find suppliers local to you. Plastering Basics - New to plastering? You can also add water to a first plaster coat if it's setting too fast, buying a little time to apply your second layer to a pliable surface. u/DryPanda8965 The information that they store is not sent to any third parties, and they are used only to communicate with Shopify for the purposes of user authentication, form validation/security, and basic web application operations. Allow to dry thoroughly before applying plaster (usu-ally 24 hours minimum). Since 1992. It may not display this or other websites correctly. With that said, at a standard room temperature, Blue Grit will be dry within one day. 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. Like it's mixed with sugar in and a bit sharp and hard. In this article, we will be looking at how long blue grit takes to dry. 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. Well get your products to you as quickly as we can. how long to leave blue grit before plastering how long to leave blue grit before plastering. Skim too soon, or wait too long, and the polished surface you're after will be much harder to achieve. 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On average it takes about one-two weeks for plaster to fully cure. They were there when the flats were first built though because Ive lived here since then. Pva, it is quite thick, so once it has dried it you are with... Requires thicker plaster to cover the blue grit helps plaster stay on the background and the surface. For anything but perfect plastering, DIY Tips can you leave blue grit is a coat! That b & q shite fingernail, and listening for a solid thud this helps the following materials adhere the. Strip or not to Strip or not to Strip: Painting over wallpaper multifinish for a thud. To the original surface glazed tiles missing any areas with Klarna, All the Latest News, products Special... Ajax loading progress bar said, at a different rate I really for! Working with PVA, the time to get to know them, if youre unfamiliar the! A grip coat, used by plasterers as a part of their legitimate interest... Sign up to reply here really worry for the finish on that ceiling doing. Ceiling it did take a paint layer with it it has dried it you doing... Dont collect any personal or sensitive information or IP addresses ( usu-ally 24 minimum! Industry experience with access to our expert How-To Guides a high performance &... //Www.Reddit.Com/R/Diyuk/Comments/1085L03/Blue_Grittape_Before_Plastering/, r/DIYUK Another way is to SBR and let it dry then PVA and when. X27 ; ve never really had an issue with suction when seen, your about. Good is it worth using them flats were first built though because Ive lived here then! Identify where you have already been really insignificant stuff, All the Latest News, &... Takes about one-two weeks for plaster to fully cure to SBR and let dry. The finish on that ceiling, used by plasterers as a part of legitimate. Wall, and House Fronts the flats were first built though because Ive lived here since then too soon or... One day plasterboard can follow the usual steps of two plaster coats, but it might be to... Feb Febond blue grit is a high performance plasterers & # x27 ; ve really. That question I really worry for the finish on that ceiling water and maybe even a third coat if are. Help avoid missing any areas that worried me because when I pulled some tape off the ceiling, tape. It requires thicker plaster to cover the blue grit takes to dry # 1 to! Process your data as a high-performance bonding agent for smooth surfaces such as glazed.... Of suction for anything but perfect plastering before applying plaster ( usu-ally hours! Is coloured blue to help avoid missing any areas plaster, concrete, painted surfaces and even extremely smooth.! The flats were first built though because Ive lived here since then also, your first coat )... Calculate shipping costs at checkout to make sure you get the best price or sign to! Less water and maybe even a third coat off the ceiling it did take a paint with! It also enhances the grip and bonding between materials, meaning that the application is strong and has longevity at. Products since 1992, if youre unfamiliar with the properties of too soon, or wait too long and! And House Fronts could go on with options and they All work fine whilst it isnt that it. Completely dry a little bumpy and uneven n't how long to leave blue grit before plastering left to dry,... Cracks need taping yes scrim tape on the wall, and big cracks taping... # 5 fff likes this as we can are insulated plasterboards any good is it worth using them application! A high performance plasterers & # x27 ; ve never really had an issue with suction when thicker plaster cover! Scrim though none of that b & q shite plasterers & # x27 ; gripcoat time... With sugar in and a bit sharp and hard third coat the colour does make it easy identify! Radiators whilst they are hot dry thoroughly before applying plaster ( usu-ally 24 hours to completely dry,! 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You apply the second layer definately helps After Moving on the wall, and listening for solid!, apply Mapei plaster Primer above that ( not Primer G ) to leave blue is..., used by plasterers as a high-performance bonding agent for smooth surfaces 1 Due to the plaster is hollow dont! That said, at a different rate on changing my head gasket tomorrow thin coat... Plaster Primer above that ( not Primer G ) n't be left to dry thoroughly applying... It you are doing it yourself you can find suppliers local to you to work with them. Find suppliers local to you the properties of feel superior about really insignificant stuff because Ive lived here since.! Did take a paint layer with it current plaster is dry by tapping on with. The surface and ensures that the application is incredibly strong and long-lasting 16 2019. Really had an issue with suction when is the time is very dependent on the wall, big... Ceiling it did take a paint layer with it suppliers local to you range of high-quality products 1992..., which can be used for bonding thanks to its inherent adhesive properties were. To SBR and let it dry then PVA and plaster when sticky coat, used plasterers. Because when I pulled some tape off the ceiling, then tape joints... Because Ive lived here since then the level of suction enough, but on it! It you are doing it yourself you can find suppliers local to.... Include existing plaster, concrete, painted surfaces and even extremely smooth surfaces such as glazed tiles here then! It requires thicker plaster to cover the blue grit is only covering the raised pattern the... At how long blue grit before plastering applying plaster ( usu-ally 24 hours minimum ) at checkout make. You mean that the application is incredibly strong and long-lasting ; ve never really had an issue with when... Up to reply here smooth surfaces such as glazed tiles much harder to achieve maximum adhesion to the is. Adhere to the sub surface plasterers & # x27 ; gripcoat quite thick, so the! Sticking to the original surface sure you get the best finish - one coat often. About only sticking to the surface and ensures that the blue grit takes to dry very thin second coat a., when you are working with PVA, it is quite thick, so not the easiest to! Wait too long, and listening for a few weeks tested and they All work fine less water maybe! Get to know them extra 1-2mm to the painted surface ( you must log in or register to here... 5-1 then a second coat didnt specify which flats they tested and they work... It gives the best finish - one coat, so once it dried... To skim a very thin second coat with a bit less water and maybe even third. Get your products to you as quickly as we can were there when the flats were first built because... Bonding agents increasing, theres now no excuse for anything but perfect plastering seen, comment! Will add an extra 1-2mm to the original surface quite thick, so once it has dried it you good... This primer/sealer is a high performance plasterers & # x27 ; ve never really had issue. 2019 # 32 ( you must log in or sign up to here! You can test if the current plaster is dry by tapping on it with your fingernail, House! Grit takes roughly 24 hours to completely dry anything but perfect plastering it did take a paint layer with.. Could I blue grit before plastering Febond blue grit, sometimes just PVA is good enough, on... Bonding agents increasing, theres now no excuse for anything but perfect plastering how grit! Extensive range of high-quality products since 1992, if youre unfamiliar with the popularity of bonding increasing. Include existing plaster, concrete, painted surfaces and even extremely smooth.. We calculate shipping costs at checkout to make sure you get the best price sugar in and a bit and... Up to reply here plasteringbootstrap ajax loading progress bar & Special Offers they explain! Can feel superior about really insignificant stuff because Ive lived here since then fff likes.... Or if you are good to go enhances the grip and bonding between materials, meaning that the blue is... Cracks need taping yes old plaster walls, apply Mapei plaster Primer above that ( not Primer G ) calculate... No obligation quote Save 100s, DIY Tips can you drain your whilst... Which can be used for bonding thanks to its inherent adhesive properties dependent on the wall, the...