Not only that drywall is not a strong enough material to support veneer stone s considerable weight.
Cement board vs drywall weight.
Usg lafarge and certain teed are three large north american drywall manufacturers.
Essentially drywall is gypsum pressed between two sheets of paper.
Wet or dry such backer board provides a stable base for tiling.
These are available in 4 8 foot and 3 5 foot sheets that are either 1 2 inch or 1 4 inch thick.
The core of the green board drywall is a thicker and more resilient version of the drywall s gypsum core which allows it to withstand indirect moisture applications such as the humidity in a bathroom or near a laundry room.
It gets its name from the telltale color of the paper facing on the front and back.
Green board drywall is water resistant not waterproof.
Cement board is perfect for tile covered wet applications like showers and tub surrounds.
It is 13 pounds lighter than other varieties for the same size and thickness.
If weight is still a concern consider ultra light half inch drywall.
Cement board does a better job of resisting potential moisture in the area and is why most contractors prefer it over drywall.
One solution is to nail cement backer board cbus over the drywall tape the seams and then grout over the cement backer board.
Durock durock is manufactured in sheets with a thickness of anywhere from 1 4 to 5 8 inch a width of 32 36 or 38 inches and a length between 4 and 10 feet.
This is the most common choice for interior walls because they are easy to carry and hang.
The thickest of all the types of drywall 5 8 inch drywall is often fire resistant drywall.
Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas.
Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water.
Such materials include drywall also known as sheetrock and durock also known as cement board.
It is meant to provide a much sturdier and stronger base where the stone and tile can be installed.
According to material safety data sheets from usg standard drywall weighs approximately 38lb ft 3.
The smaller dimensions of cement board make the installation of it on large walls more difficult but cement board panels fit vertically in 3 foot wide showers or horizontally behind a standard.
Lightweight drywall weighs about 28 30 lb ft 3 these three companies publish the following approximate weights for their products.
Thick 3 x 5 ft.
Veneer stone cannot be applied directly to drywall or other materials that will draw in moisture from the mortar.
Whereas drywall comes in 4 by 8 sheets cement board comes in 3 by 5 sheets.
It s typically available in 1 2 in.
Greenboards or blueboards on the other hand are types of drywall.
It was developed to replace lath and plaster construction.
Cement based backer boards durock wonderboard and hardibacker are all mineral based or cementitious materials.
