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Our company office is set up at Ikebukuro, Toshima ward, Tokyo, and we are  an interior decorative construction work contractor, mainly taking charge of Interior decorative finishing work・Original state recovery and restoration work in all over Kanto district for you.

On any of interior decorative work, please take counsel with us!

We are introducing and explaining gypsum board in the blog this time.

Nowadays, as one of the indispensable materials for architectural interior decorative work, we thought we would like to research gypsum board more in detail, so we coordinated the following article.

Picture quoted from Yoshino Gypsum Co. Ltd.

Picture quoted from Yoshino Gypsum Co. Ltd.

What is gypsum board?

Gypsum board is a kind of construction material used for wall and ceiling finishing, and reinforcement in the construction and interior decorative work.

About the naming of gypsum board:

Generally, it is also called as「dry wall」or「gypu board」.

Gypsum board has different common names in countries and areas.

As there is a possibility of difference in the areas, when confirming a name used in particular area, kindly try to check its own naming.

●Dry wall

In many countries such as USA, Canada and others, it is called as「dry wall」.

This name derives from dry type construction process of gypsum board.

●Gypsum board

「Gypsum board」is related to the main component of gypsum.

This name is general in the world.

●Plaster board

It is called 「plaster board」in England and some English speaking countries.

This name derives from the fact that plaster was used for wall finishing before.

●Wall board

It is called「wall board」in some areas.

This name is related to be used for wall finishing material.

●Board rock

It is sometimes called「board rock」in Japan and some countries.

This name is a common general naming for pointing gypsum board.

●Construction plaster board

It is also called「construction plaster board」in some areas.

It is a name often used in the construction industry.

About materials of gypsum board:

Firstly, the main component of gypsum board is, a mineral raw material (calcium sulfate dehydrate) called gypsum.

This gypsum is the main material of gypsum board. By hardening it, it constitutes solid board shaped structure.

Its structure consists of two paper sheets sandwiched gypsum center layer usually.

Generally, its thicknesses are various sizes from 1/4 inch to 5/8 inch.

Main general size is 4×8 feet.

Gypsum board is used for wall and ceiling interior decorative material. In order to finish the room space inside, it plays a role of base material for painting and sticking on tyles, wall papers and so on.

In addition, it is also used for partition wall, sound insulating wall, fire resisting wall and other structure construction.

Characteristic:

• Fire breakout resistance: some gypsum board includes additive for enhancing fire breakout resistance. It is particularly used at the places for requiring fire resistant property.

• Sound insulating property: A particular kind of gypsum board is designed for enhancing acoustic effect and controlling noise.

• Waterproof property: Some gypsum board has waterproof property for using at high humidity places, so it is suitable for using at the bath, kitchen wall.

Gypsum board is relatively light and easy to handle, so it is being generally used in the interior decorative work very much.

It is possible to use various kinds of gypsum board in the market, so it is important to select appropriate kind according to the content of interior decorative work.

Various usages of gypsum board: From interior decorative finishing to screening

1.Interior decorative finishing of the wall and ceiling

Gypsum board is the most used for the interior decorative finishing of wall and ceiling generally.

It is used to combine with joint compound, and makes smooth surface.

By doing this, it is ready to fit wall paper, other decorative material and/or to paint.

2.Screening

Gypsum board is used for hiding electricity wiring, piping, heat insulating material and so on in the wall.

It is possible to place wiring and piping without opening the wall, so it provides functional screening, while keeping beautiful sight.

3.Fire resisting property

Some gypsum board has fire resisting property, so it plays a role of delaying fire expansion.

This is important for commercial facility, multi-family residence and so on.

Using example: Fire resisting gypsum board is used at the office building partition wall, so it is securing safety to prepare for fire breakout in case.

4.Sound insulating property

Gypsum board excels in sound insulating property. By using it at the wall or ceiling in interior decoration, sound transmission is controlled. This characteristic is suitable for using it at the apartment and office building.

Actual usage: On the wall of art studio, a kind of gypsum board of high sound insulating property is installed, so noisy sound outside is controlled as much as possible, and is providing creative environment.

5.Light weight property and easy handling

Gypsum board is light, so handling it is easy. For this reason, quick progress of interior decorative work process becomes possible.

Example: In DIY(do-it-yourself), installing gypsum board and handling are easy, so new wall surface can be made quickly.

Summary.

Because of its various usage and excellent characteristics, gypsum board is one of the indispensable construction materials in the modern interior decorative industry.

From interior decorative finishing up to screening, fire resisting property, and sound insulating property, it is bringing into high effectiveness by various usages.

When planning interior decorative work, considering gypsum board utilizing method is an important process.

Chances are that the ways of using gypsum board are different according to work kinds and requirements.

In interior decorative work of big scale decorative renovation work or that with special requirement, it is important to receive an advice from its specialist.

Please also refer to the blog here.

On gypsum board and rock wool sound absorbing board

What is sound absorbing board？ Difference from sound insulating board.

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