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The last few years have seen a range of meaningful developments in the construction landscape. The influx of technological advancements has helped curate advanced offerings that give several advantages over the traditional processes.
When you build your house or renovate it, it is common to come across people suggesting the use of gypsum plasterboards. Even though not a new finding by any means, it is only in the last few years that it has found increased traction in the construction scenario.
Gypsum boards are useful in building lightweight and durable walls.
Even though we are seeing increased use of synthetic gypsum plasterboards, the traditional ones use dehydrated calcium sulfate and convert it into CaSO4.0.5H20 by heating it.
Once dehydrated, the resulting product is mixed with several additives and water. It is then placed onto cardboard running on a conveyor belt. It soon takes the shape of a needle-like structure that combines to form what we commonly know as gypsum plasterboards.
This article delves into the subject and discusses the types, properties, and applications of gypsum plasterboard.
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ASTM standards govern the manufacture of gypsum board and set strict criteria for strength, water resistance, and other characteristics. To produce gypsum board, crushed natural gypsum or synthetic gypsum is heated or calcined to dehydrate the feedstock. Next the calcined gypsum is mixed with water and additives to form a slurry which is fed between continuous layers of recycled paper on a long board machine.
As the board moves down a conveyer line, the calcium sulfate recrystallizes or rehydrates, reverting to its original rock state. The paper becomes chemically and mechanically bonded to the core. The board is then cut to length and conveyed through dryers to remove any free moisture.
End tapes are applied that identify manufacturer, facility, production line, date and time of manufacture as well as country of origin are applied per GA- Identification of Gypsum Board. Ready for installation, the panels are stored and distributed on risers of uniform height to ensure the gypsum panel products are supported evenly. More information on handling and storage of gypsum panels can be found in GA-801- Handling and Storage of Gypsum Panel Products: A Guide for Distributors, Retailers, and Contractors.
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