Plaster of Paris: Understanding its applications and features

POP or plaster of paris, as it is known is considered to be a particular plaster type, created from calcining gypsum. This is widely used in architecture, fire proofing, art and medical applications. Several product types exist in the market, like lime plaster and cement that are utilized for various purposes. Also, it becomes very much easy for the product to be used since it dries very quickly. Although it is light and soft, it is strong and durable and also could be easily carved to derive the desired shape.

Its features

As a matter of fact, plaster of paris also could be prepared at home by using white glue, flour and warm water. Flour is to be taken in two cups and combined with glue and warm water of one cup and mixed without any lumps. It could be used for various purposes. The original plaster had been manufactured with the exposure of gypsum to high temperature, thus creating calcium sulfate, which when grounded becomes fine white powder. This, in turn, could be created into slurry, simply by mixing with water. Then the mixture could be molded to various shapes, depending upon specific requirements.


Its history

POP was considered to be invented first by the Egyptians long back and used on their tombs as decorative pieces. Later, the Greeks used it in their temples, homes and various other places. Since, huge gypsum deposits were found in the city of Paris, it derived this name and presently being used as a wonderful fire proofing material. Presently, there are number of Plaster of Paris manufacturers offering the best product in the market.

Its application

POP is being used widely as building material because of its ingrained features. The material helps the structure to become fires resistant. As plaster burns, it is said to release water vapor, thus, controlling spreading of fire. Different construction materials are also coated with it like metal and wood.

It also finds great usage in art for manufacturing metal castings as well as in sculpture. Durable molds could be created since it can withstand very high temperature. When added to architectural frames, it does enhance the structure’s overall beauty. Doorways and window frames also could be easily molded using these products.


How is Plaster of Paris manufactured?

Plaster of Paris is the white coloured building material that is used as a protective anddecorative coating on the walls during the construction of buildings. The most common types of POP are gypsum POP, lime POP and cement POP based on the ingredients in it.

The name –

The name plaster of Paris is given because; the material it is made of is usually gypsum. Gypsum was found in abundance in Paris and thus, the name. Plaster refers t a material that is used in the interiors of a building.

Appearance –

The POP is powdery in nature. It is white or off white in colour. The powder is mixed in water to gain required consistency just before it is used. As soon as it is mixed with water, the powder undergoes crystallization and liberates heat to become rigid.


How is POP made?

Gypsum plaster –

To make Gypsum plaster, gypsum is heated up to 150 °C. This powder when mixed with water will again become gypsum. And, the process of becoming gypsum begins 10 minutes after you mix water and will be completed in 72 hours.

Lime plaster –

This is manufactured by mixing calcium hydroxide and sand. Several other inert fillers can also be used. Lime stone or calcium carbonate is heated to convert into quicklime or calcium oxide. When water is added to this mixture, it produces calcium hydroxide. This mixture is also known as wet putty. All you need to do is add some more water before the use. When this powder is mixed with water, the carbon dioxide in the atmosphere will help the POP in setting by converting the calcium hydroxide into calcium carbonate.

Cement plaster –

A mixture of plaster, sand, water and cement is called as cement plaster. This is most commonly used in construction of building because it gives a smooth surface.

This way, there are several types of plasters manufactured in different ways. There are many plaster of Paris manufacturers in the country and you can choose the one that you need. The requirements of your buildings are the thing which determines which plaster you will need.

A few facts about the Plaster of Paris

Across the globe, the demand for POP or Plaster of Paris has been increasing with each day. The product has been enjoying a lot of popularity in the construction and interior industry for the many benefits that it offers. It is regarded as a distinct kind of plaster, which is made from calcining gypsum. It is primarily used in large quantities in the construction industry for its capacity to have fire resistance of the structure to be immensely bolstered.

Few of the main benefits offers by POP are the wide applicability, molding capacity and aesthetic properties. When decorating designing and interior designing is concerned, the demand for POP is only increasing each day. It rightly can be stated that Plaster of Paris can render the complete look of wood or stone. So to cater to the many needs the clients have, there have emerged several suppliers of plaster of Paris in the market, offering good quality POP at fine rates.

There are many notable features in regard to the POP.

It already is mentioned to have the ability better the heat resistance of the structure and thus finds much demand in the use of the interior of office, commercial complex or residence.

From the POP, the panel is well created with regard to acoustic partitions, walls and ceilings.


The product is specifically used to prepare the acrylic colors and the wall putty. The high quality wall putty enjoys a lot of popularity in the global market.

The product also finds much usage in the architectural frames for its bettered aesthetic ability.

The buildings which are implementing a false ceiling also use the Plaster of Paris products.

Refined POP is very highly demanded in art & craft segment.

The Plaster of Paris has many advantages:

  • It is very durable and does not cause any cracks when being molded.
  • It does not cause any harmful chemical reactions to your hands either.
  • It has good adhesion and when mixed with water it easily forms into a perfect paste.

You will find many plaster of paris manufacturers for your interior needs.

Plaster of Paris: Some useful technical notes

These days, there have emerged numerous suppliers, creating new types of materials and products which are considered to be quite ideal for renovation or building purpose. One such material that finds itself to be of high use and in great demand in the market is Plaster of Paris or POP as it is known in short.

About POP

It is regarded to be a material that is used to renovated buildings of all types. It is used commonly in the construction industry, because of its various amazing features that it has to provide to the owners like medical applications, fire proofing, architecture and artistic designs. Hence, the demand for this product has been increasing with time for which there have emerged several reputed Plaster of Paris manufacturers trying to fulfill the demand promptly and on time.

Besides this, there are also available different products that are utilized with it, which includes cement and lime plaster for different purposes. Few long term benefits can be enjoyed by using this product. POP has the tendency to dry very fast, while providing the interiors or the home a complete new appearance and beauty. It is also known to be strong and light at the same time, thereby helping the user to carve it at ease.


One can prepare Plaster of Paris at home. He simply needs to u se special warm water mixture, with flour and white glue in specific proportions.

Essential facts to know about POP

A good thing about POP is that, this product could be molded as desired and provided with all types of shapes with great ease. The power is said to turn slurry once appropriate water amount is mixed along with it. Previously, POP was utilized for building various monumental structures, renovation, decorative and interior design purpose.

Currently, homes make use of such building materials that are preferred due to its efficient and excellent fire proofing features. Besides this, the material also assists in offering suitable fire resistance. As the plaster burns, water vapor gets released, to assist in controlling spreading of fire. Several instances are present, where it is used for coating numerous construction items or even products like wood and metals.