Gypsum Plastering in Trivandrum | Gypsum Plastering in Kottayam - Viva Gypsum

 Advantages and Drawbacks of Gypsum Plaster

Advantages and Drawbacks of Gypsum Plaster

What exactly is Gypsum?

Gypsum is a calcium sulphate dihydrate-based soft sulphate mineral (CaSO4:2H20). Its frequently used as a fertilizer, in mould, sculptures, and as a plaster substance. Gypsum is a chalk-like substance that is extremely light. Its crystalline form can be found in nature.

In recent years, the construction industry has seen a slew of new trends, technological developments, and application improvements, all geared at making building faster and more efficient. Regardless of the fact that gypsum is older than cement and sand plaster, it is rarely used in construction. Due to its qualities, Gypsum has recently been shown to be a remarkable material for interior buildings.



What is Plaster of Paris, and what does it do?

Plaster of Paris is made by crushing gypsum (calcium sulphate hemihydrate CaSO4 0.5H2O) that has been heated to 150 degrees Celsius.

Plaster of Paris (POP) becomes ordinary gypsum (dihydrate) again when water is added, causing the resulting material to solidify. This hardening compound can be used to make casting moulds as well as buildings.



What is Gypsum Plaster and How Does It Work?

When water is added to the dried POP powder, it hardens. Gypsum plaster is a substance that can be put to a brick, block, or concrete surface to provide a smooth finish.

A 6 mm coat of gypsum plaster (known as POP punning) was usually applied to cement plaster before painting to give it a smooth surface. This two-stage technique requires onsite mixing of several components such as sand, cement, and water. This method is gradually being phased out in favour of a single layer of gypsum plaster applied directly to the wall. The Readymade POP powder is mixed with water and applied straight to the wall in gypsum plaster.

Any brick, solid or hollow blocks, AAC blocks, and plasterboards can be covered with Gypsum Plaster. Gypsum plaster is a superb insulator, as well as being fire and impact resistant. Gypsum also saves time and provides a finer finish during construction. These advantages have compelled real estate developers and constructors to prefer gypsum plaster over regular cement plaster. The best gypsum plastering in Kerala is provided by Viva Gypsum Plastering.


Gypsum Plaster Technical Specifications

  • White is the colour of the finished surface.
  • Time to Set: 25-30 Minutes
  • Coverage area per 25 Kgs Bag (assuming 12mm thickness): 21 sq .ft
  • 60-70 kg/cm2 compressive strength
  • 4-month shelf life

Gypsum Plaster's Advantages

Because of its superior finish and time-saving properties, contractors and builders began to favour gypsum plaster over. Some of the advantages of gypsum plaster are as follows:

  • Workability (Ease of Application): Gypsum can be applied directly over brick/blockwork without the need for additional finishing. Gypsum plaster is extremely simple to apply and level.
  • There are no shrinkage cracks because the gypsum reaction produces less heat than cement reactions with water. As a result, shrinkage fractures in gypsum plaster are less common than in traditional cement plaster.
  • Gypsum is a substance that sets quickly (i.e., within 25-30 mins). Painting might then begin 72 hours after the gypsum plaster had been placed. The plaster must be totally dry before painting.
  • Saving water and time during the construction process.
  • High Productivity: When compared to traditional cement plaster, it saves a lot of time.
  • Reduces dead load on the structure.
  • Smooth Finish: Lines are perfectly aligned, walls are levelled, and corners are perfectly angled.
  • Reduced Supervision: Because cement and sand must be properly balanced, careful quality testing is required for cement plaster. The application of gypsum plaster, on the other hand, does not necessitate the same level of quality control, decreasing monitoring efforts.
  • Readily available raw materials: Gypsum is a readily available resource. Natural sand, a key ingredient in traditional cement plaster, is difficult to come by. It is also prohibited in several Indian states.
  • Fire-resistant: Gypsum plaster is extremely fire-resistant.
  • Gypsum is a material with a low heat conductivity. This reduces the cost of electricity used to heat and cool rooms in a building.
  • It can also be used for decorative purposes and can be moulded into various shapes.

Gypsum Plaster's Disadvantages

  • Outside walls should not be plastered with gypsum plaster because it retains moisture. Furthermore, gypsum plastering is not possible in locations that are constantly damp, such as bathrooms.
  • Gypsum plaster is more expensive than standard cement mortar plaster for the same thickness of plaster (cement and sand). However, in regions where natural/river sand is not readily accessible, cement mortar plastering would necessitate a 6 mm gypsum finish, making cement plaster more expensive.
Best gypsum plastering company and 6 benefits of gypsum plaster check the BLOG



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