Gypsum Plastering
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About Us
GYPROC PLASTERING
Gypsum plastering is an environmental friendly alternative to traditional sand-cement application for internal plastering surfaces. Gypsum plastering is also a faster application method for internal surfaces, since it does not require time consuming water curing process. Water curing process is mandatory for 20 – 21 days after sand-cement plastering to reduce shrinkage cracks arising due to heat of hydration.
Gypsum plaster is mixed with clean water in recommended proportion at site to make a consistent slurry. Gypsum plaster slurry is then applied at desired thickness on walls and ceilings by trained applicators, this process is called as Gypsum plastering.
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Why choose us
Gypsum plaster had been used for centuries in the construction space and is time tested process for plastering interior walls. Gypsum plaster provides excellent thermal and acoustic properties while providing superior rich and smooth finish. Gypsum plastering is now very popular in India and today is preferred choice of builders in most metro markets like Mumbai, Pune, Bengaluru, Delhi NCR, Hyderabad and Chennai.
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INTERIOR SERVICES
Walls
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Staining & Refinishing
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Walls
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Fences
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SUPREME 80 / SUPREME 68
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Products
Gyproc Plasters offer a full range of specific and multi-purpose solutions for all internal plastering needs and backgrounds. Gyproc plaster products are designed to suit either hand or machine application.
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FAQ
Common Questions
What is Gypsum Plaster?
Gypsum is chemically termed as Calcium Sulphate dihydrate (CaSO4 2H2O). There are three broad kinds of gypsum which are found across the world.
Naturally gypsum is found below the earth’s surface like other minerals and this gypsum is called Natural Gypsum. The Natural gypsum is mined and extracted below the earth’s surface using conventional means. In India, natural gypsum is found largely in Rajasthan.
What is Gypsum Plastering?
Gypsum plaster is mixed with clean water in recommended proportion at site to make a consistent slurry. Gypsum plaster slurry is then applied at desired thickness on walls and ceilings by trained applicators, this process is called as Gypsum plastering
Gypsum plastering is an environmental friendly alternative to traditional sand-cement application for internal plastering surfaces. Gypsum plastering is also a faster application method for internal surfaces, since it does not require time consuming water curing process. Water curing process is mandatory for 20 – 21 days after sand-cement plastering to reduce shrinkage cracks arising due to heat of hydration.
Cost advantage of gypsum plaster Vs sand-cement plaster?
Sand-cement Plaster has two major variables, cost of both vary every month depending on the market demands. River sand mining is banned in many cities of India resulting in sharp increase of cost and inconsistent supplies. Depending on location, cost of Sand-cement plastering for 16-18mm thickness ranges between Rs. 23-27 per Square feet (labour + material).
Can we apply Gypsum plaster on external Walls?
No, Gypsum plaster can only be used on Internal Walls.
How is Gypsum Plaster manufactured?
Gypsum rock is converted into gypsum plaster by heating it at a temperature between 120°C and 160°C for a period of time to drive off some of the chemically combined water. This process converts the dihydrate gypsum into a hemi-hydrate (CaSO4.1⁄2H2O) with three quarters of the water removed. This is commonly referred to as Plaster of Paris (POP) or Stucco. This product typically has a very fast setting time of between 3 minutes and 6 minutes. Because of this fast setting the Plaster of Paris (POP) has very high wastage and tends to develop shrinkage cracks and hence is not suitable for use in plastering.
What is Gypsum Punning?
Traditionally sand-cement plaster was extensively used for levelling interior walls on Bricks, AAC Blocks, Concrete Blocks & RCC surfaces. In certain markets to achieve crack free and smooth finished walls, 3mm to 6mm of gypsum plaster is applied over sand-cement plastered surface, this is called as gypsum punning.
Advantage of gypsum plaster Vs Plaster of Paris (POP) ?
Gypsum, a hydrated calcium sulphate (CaSO4. 2H2O) is white or pale yellow coloured depending on the sources. Saint-Gobain Gyproc gypsum plasters are manufactured with high purity gypsum and processed at fully automated machineries thus giving consistent quality. Saint-Gobain Gyproc gypsum plasters is further blended with special additives and retarders to make it suitable for Gypsum plastering. Special retarders added in Saint-Gobain Gyproc plasters increases working time for plastering (setting time from 15 – 25 Minutes) thereby reducing wastages in bucket and spillage during application (maximum wastage 5%). Saint-Gobain Gyproc gypsum plasters with special additives makes it light weight and increases productivity by 20%
How much time we need to wait for painting after gypsum?
It depends on the setting time and drying time of plaster. Saint Gobain Gyproc plasters if correctly applied as per instruction will dry in 3-5 days (in normal conditions), though there are various factors affecting drying time Viz. current temperature, humidity etc. Painting activity should be carried out strictly after the plaster is completely dried.