building a shower enclosure |

by:C&Y Union     2020-03-25
Drywall is a basic component of most construction and construction works, but not all drywalls are equal.The Ordinary drywall is elastic before the damp, and a high level of humidity actually squeezes the material from the inside to the outside.For installation in wet areas of the home such as the basement and bathroom, the contractor must resort to one of two alternative materials: green board and cement board.
In wet areas, the basic drywall is not approved for any type of installation.The paper finish and gypsum core of the dry wall are easily invaded by water, and if exposed to high levels of moisture, the material will collapse and moldy.In terms of alternative materials, water-Resistant to water.
Water-Resistant products can withstand high levels of moisture without absorbing moisture in the air.However, these products cannot withstand the direct application of water, otherwise they will also collapse.Waterproof material can withstand direct application of water without damage.
Green-The drywall is water-Not waterproof.Its name comes from the hint color of the paper on the front and back.The core of the green plate drywall is a thicker and more resilient version of the drywall gypsum core, which enables it to withstand indirect moisture applications, such as humidity near the bathroom or laundry room.
However, if applied directly to the surface, the paper and plaster will still absorb water, so the application of the green plate is still limited by water exposure.The cement board is also called the back plate, which is completely waterproof and can withstand the direct application of water.The name Backer board comes from its use as a tile to install underground, especially in the shower and tub case.
The cores of these plates are made up of cement and concrete, and they do not absorb any water, so they are not subject to any damage even if exposed directly to the water.Therefore, it works well as a tile holder;The moisture in the mortar and grouting used to install the tiles naturally enters the ground, but does not damage the cement board.Because the cement board is heavier than the green plate thickness, it is difficult to install.
However, the green board and cement board are installed in the same way as the ordinary drywall: The panel is connected to the floor support beam or wall column with galvanized or corrodedNail or screw resistant.Still, all panels can be cut with a sharp tool knife because the cement board is thicker and you need to score on both sides of the panel before it breaks suddenly.For bathroom applications, the green board can be used for ceilings and walls that do not have direct water applications, such as behind the sink and exposed walls.
Only the cement board can withstand the wear and tear of the shower or bathtub casing
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