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What Is Plaster Made Of?

Plaster is one of the most commonly used materials when it comes to building construction. It’s a crucial component that’s incorporated in coating walls, ceilings as well as partitions and it hardens on drying. Plastering is one of the most ancient building materials which has taken over mud to plaster reed or sapling huts so as to serve as a protection against the elements. Here, we’re going to take a look at the multiple compositions of plaster. These components are very important due to the fact that they form a protective coating on whatever they are used on. They work to protect surfaces such as ceiling and underlying walls from scratches or any form of damage.

Plaster comprises a few materials which includes gypsum, lime or cement and all operates in a similar way. Gypsum is made of calcium sulfate dihydrate and it’s the main component of main forms of plaster, sidewalk chalk, blackboard, drywall and more. Meanwhile, lime plaster is made up of sand, water and lime ( mostly non hydraulic hydrated lime). And lastly, cement which is a mix of suitable plaster, portland cement, sand as well as water.

The plaster is usually produced as a dry powder which is mixed thoroughly with water to create a stiff but also a paste that’s workable immediately before it’s applied to the wall or ceiling.

It’s quite easy to confuse a drywall with a plaster but there are some differences. Not only is plaster a much older style of wall construction than dry wall, but it’s also a lot more expensive than installing a drywall. Plaster walls are also able to provide you with a more durable finish when compared to a drywall and it makes for a better quality finish.

The fact is several buildings contain artex as well as other textured coating on walls and ceilings which are all likely to contain asbestos. However, artex itself is not the main threat here but the potentially deadly harmful fibres that’s contained in it. In this post, we’re going to look at whether or not artex truly contains the deadly abestos.

The short and simply answer to this question is yes, artex can definitely contain asbestos, however not all artex will contain asbestos. The main reason asbestos was a popular construction material is because it was not only cheap and strong but also because it was very durable and long lasting. It was used in numerous construction materials ( which includes artex ) before it was finally banned in the year 1999. unfortunately during the time when artex was very popular in the 60’s, 70’s as well as 80’s, asbestos was still very much in use during the period. And as a result, a lot of the artex incorporated during that period will contain the deadly asbestos fibres. However, this does not only apply to artex, but also other textured coatings containing asbestos were incorporated in construction until 1999 when asbestos was formerly banned in the UK. These asbestos containing materials are often used on walls as well as ceilings of residential properties.

Unfortunately, it’s not possible to know an asbestos containing artex just by looking at it. In order to determine whether or not an artex contains the deadly asbestos fibres, it’ll have to be sampled and tested in a laboratory. What’s more? While several artex contains asbestos, asbestos free artex was available from the 1970s. However, since it’s impossible to determine using the naked eye, all artex installed before the ban will be assumed to contain asbestos.

Artexing a ceiling can be a tricky job, but whether you’re considering hiring a professional or DIY, it’s helpful to know how it’s done.

Artex is available either in a paste or powder form. The paste is ideal if you’re making small repairs or additions to an existing ceiling. But, if you have a whole ceiling to cover, the powder is more cost effective. When you’re ready to get started, you’ll need to mix the powder up with cold water according to the instructions.

It’s possible to artex over plaster, plasterboard or paint. If you have a plasterboard surface, you should tape and fill any joints or cracks before you begin. Plaster and plasterboard both require a coat of sealant or primer first. You can usually artex straight over paint, but any gloss paint should be sanded down, and any dark paints covered with a layer of white.

Artexing can get quite messy, so make sure you empty the room you’re working in as much as possible, lay down sheets and wear protective clothing and glasses. You might want to practice on a piece of board before you start on the ceiling.

Start by using a brush or roller to cover a 500 square cm area with a generous layer of artex. Then use a brush, comb or roller to create your chosen texture. Every time you do a new section of ceiling, try to blend it with the other sections you’ve done. Don’t be tempted to cover the whole ceiling before you start adding texture – the artex will dry too quickly for you to do it all in time.

Artex usually needs 12-24 hours in a well-ventilated space to dry completely.

How Much Does Plastering Cost?

If your existing interior or exterior plaster is starting to show signs of needing to be refreshed or the painting never seems to last, then it’s probably time to have your plaster renewed to breathe in a new lease of life to your decorating efforts.

So if you’re giving wall plastering a thought, there’s a need to have a rough estimate of the cost a professional is likely to charge so you can set a budget and start planning. However a direct answer can not be provided for this question as there are so many factors that a professional will put into considering before coming up with a quote that’s unique to your specific requirements.

A lot of plasterers will come up with a quote for the job using the number of square metres of wall space that’s going to be covered. This is due to the number of plasterboards as well as the other materials that the plasterer will need to purchase, how long the work will take and also the labour that’ll be involved in completing the project.

Another popular influencing factor that several plasterers use is the size of the room to be plastered. This is the main reason why you’re more likely to find the prices in small, medium as well as large rooms. Therefore, in order to have a more accurate estimate of the cost of your plastering project, you’d have to call in a qualified professional to have a look at the job at hand. Generally, to re-plaster a small room will cost within the range of £350 to £550, a medium room will cost within the range of £400 to £600 and a large room, between £550 to £700.

Artex was originally made using white asbestos to make it stronger. However, this stopped in the mid-1980s, and the use of asbestos was banned in the UK in 1999, due to its extreme health risks. So, any artex you buy today won’t contain asbestos.

If you have an artex ceiling or wall that was created before 1999, it may have asbestos in it. This won’t be a health hazard if you leave it undisturbed, so it’s not necessary to remove it. However, if you want to get rid of or alter your artex ceiling or wall, you must get it tested to check if it has asbestos in or not first. If it does, you’ll need to hire a qualified professional to work on it.

It’s possible to paint your artex ceiling if you want to smarten it up or make it a different colour.

If it’s never been painted before, you’ll need to paint it with a PVA-based solution or water-thinned paint layer to start with. You may want to scrape or sand off any loose or peeling patches beforehand, but only do this if you’re sure that the artex doesn’t contain any asbestos.

Once you’ve done this, follow with two coats of your paint of choice – ideally an emulsion. If your artex ceiling has been painted before then you can paint directly without priming. However, if you’re painting over a particularly bold colour with a lighter one, you might want apply a layer of white paint first.

Artex is a water based decorative surface coating is typically incorporated on both walls and ceilings so as to apply a pattern. During the peak of its popularity in the 1970’s, it was considered the height of fashion when it comes to interior wall designs however its major drawback remains the fact that it usually contains asbestos especially if it was manufactured before the laws governing the use of asbestos was changed in the year 2000. And asbestos, as we know it, can be deadly when disturbed and its fibres are inhaled.

If you have artex installed in your purchased property and you do not know when the artex walls were done, or perhaps you just want to change the aesthetic design of your home into something more modern and to your personal taste, then you may want to remove the existing artex from your property for good. If this is your wish then you’ve come to the right place.

To remove artex from your walls you can choose to do so using the steaming method or through the use of an external product.

Using the steaming method, you should know that it’ll be more labour intensive and time consuming. You need a lot of patience moving your steamer slow and steady because if left on a spot for too long can damage the wall behind the coating. Once the artex has been dampened with the steamer, you can then scrape them off with a handheld scraper.

A faster solution would be to use an external product to remove your artex.  For example, you can use X-Tex which is a water-based coating remover. All you need to do is paint the substance over your artex wall and leave to dry for about 30 to 60 minutes before peeling away the artex.

Can You Plaster Over Artex?

The short and simple answer to this question is yes, you can plaster over Artex. However, you must also note that plastering over Artex may not be the best choice as Artex is porous and as such, you’d have to detach the stripping so as to get a smooth and even coating. In the event whereby your ceilings or walls have Artex on them, you’ll have to smooth the Artex in order to obtain a plaster of solid coat.

✓ Preparing Artex for plastering. First and foremost, you’ll have to detach any bumps before you can plaster over the Artex. Do note that you don’t have to completely remove the Artex, all that’s needed is just enough to get a coat of plaster. Make use of a scraper to get rid of the bumps on various Artex designs like swirl and bark. Once you’re through getting rid of as much bumps as possible, there’s the need to seal the Artex due to the fact that it can absorb the moisture out of the plaster which will cut the time to get a good finish to little or nothing. You can use a PVA and water mix to do the job!

✓ The PVA mix. This is done to seal off the porous Artex in order to stop it from absorbing moisture from your plaster which can make it start to crack and crumble. To do this, simply mix half PVA and half water, then use a brush to paint the mixture over the plastering area. Once done, you can give the plastering surface about two to three coats and wait for the solution to dry off within a hour or two.

Plastering over Artex is not as hard as it seems, but if you lack the confidence to complete the task, simply contact a professional for help.