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Plain and simple plaster walls. See How to plaster a wall

How is finishing plaster used?

By Praveen KumarPublished about a year ago 4 min read
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Finishing a wall with plaster is a popular method of obtaining a smooth, aesthetic surface. Wall plaster provides a uniform finish and excellent durability. It is also much easier to paint. It brings a unique character to your room, offering endless decoration possibilities. Learn how to plaster a wall to make it perfectly smooth and even!

What is plaster?

Plaster is a very popular building material. It can be used to cover walls and ceilings. It is one of the most used products for finishing a room. Contains plaster and chalk. Their preparation often involves the use of a special substance that delays their setting, called a plasticizer. Determines the hardness of the plaster. Using it results in less drying time. Usually, you can start processing the surface after about 2 hours.

How is finishing plaster used?

Plaster is mainly used to smooth the external surface of a wall. It should be used on surfaces covered with cement or lime plaster. This interesting substance is 100% ecological, giving a neutral reaction. These properties prevent the growth of mold and mildew on its surface. Wall plastering is a process that prepares the surface for subsequent actions, such as painting.

  • Plaster boards,
  • Fiber gypsum boards,
  • Cement boards.

Be careful - you should avoid putting plaster on a raw surface because this type of wall is not suitable for this type of material. Do not apply the plaster in damp areas, for example in bathrooms. Excess moisture could cause cracks and the plaster could peel off the surface.

How to plaster a wall? step by step guide

The process of smoothing and smoothing the same spot over and over again may initially seem tiring. Finishing plaster walls requires a lot of precision. Don't worry - after you sit down, it shouldn't be too much of a problem.

Remember that the layer of plaster on the wall cannot be too thick. Too dense layers of plaster can crack and break after drying.

Preparing the surface, like a professional

At first you need to prepare the room. Plaster on the walls can easily stain and damage furniture, so remove any items from the room. If that's not possible, cover it with protective sheets. Don't forget to secure the doors and windows.

The next step is to prepare the wall to be plastered. If the surface has a low absorption capacity, a product that increases adhesiveness should be applied. If the absorption is high, use the appropriate product to reduce it.

To mix the plaster, take a bucket of water and pour the substance into it - adjust the amount so that you can work for about 30-45 minutes. It is extremely important - the plaster loses its flexibility over time. Wait several minutes and mix the plaster well with a drill.

Wall covering - how do you plaster a wall?

Start by putting the plaster on the outside corners. Use a float for application and a trowel for spreading. After finishing the corners, spread the plaster over the entire wall. Do you plan to plaster the entire room? Apply the material on the ceiling as well.

Specialists recommend putting only one layer of plaster. If necessary, you can apply two or three thinner coats. Wait approximately 20 minutes between each application. Each new layer must be applied perpendicular to the previous one.

Because plaster has a low impact resistance, the corners of the wall must be reinforced with aluminum angles. This is the outer surface. To do this, sink the element into the parquet and plaster it over.

After you're done, simply wait for the drywall to dry completely. Check if the plaster is smooth and aesthetic. If it is not, then you can additionally sand the surface. Remember to prepare the wall before painting.

For best results, start painting no sooner than 24 hours after the plaster dries.

Wet plaster, what is it and how is it done?

Wet plastering is a very popular method of achieving a quick finish. It consists of applying a layer of plaster on the first layer that has not dried completely. This method requires extra caution, however it is worth it - it significantly speeds up the work.

Once both coats are dry, you can also smooth the surface with water instead of using sandpaper. Just dampen the wall with clean water and then smooth it using a steel float. Make sure the second coat is dry before using this method.

Everything you need to plaster the walls

The process of applying the plaster to the walls requires the use of special tools and materials. Without professional equipment, casting will not be effective.

The tools needed to properly plaster the walls:

  • A lollipop,
  • A carriage,
  • A brush for preparation,
  • A cube,
  • A drill with a paddle mixer,
  • Sandpaper,
  • Aluminum angles,
  • A level.

The most essential material is the right type of plaster. Cast is the most common. The type of material you choose should be appropriate for the surface you want to plaster. Choose the right material depending on its purpose. You can also use plaster to fill small scratches and large holes.

Regardless of the type, the surface always needs a primer. To do this, use a primer dedicated to the wall you have. Otherwise, the product will not be as effective.

Check out other home improvements. Learn to paint kitchen furniture, make pallet furniture for your garden. Also, find the most fashionable wall color for your interior.

How to plaster a wall?

For best durability, apply plaster to a clean, prepared surface. Wait about 20 minutes before applying the next layer. In this way the walls will look smooth and aesthetic.

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