One solution is to nail cement backer board cbus over the drywall tape the seams and then grout over the cement backer board.
Cement board vs drywall weight.
Not only that drywall is not a strong enough material to support veneer stone s considerable weight.
Greenboards or blueboards on the other hand are types of drywall.
Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas.
Usg lafarge and certain teed are three large north american drywall manufacturers.
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.
Essentially drywall is gypsum pressed between two sheets of paper.
The thickest of all the types of drywall 5 8 inch drywall is often fire resistant drywall.
It s typically available in 1 2 in.
Wet or dry such backer board provides a stable base for tiling.
Cement board is perfect for tile covered wet applications like showers and tub surrounds.
Cement board does a better job of resisting potential moisture in the area and is why most contractors prefer it over drywall.
It was developed to replace lath and plaster construction.
It is meant to provide a much sturdier and stronger base where the stone and tile can be installed.
Lightweight drywall weighs about 28 30 lb ft 3 these three companies publish the following approximate weights for their products.
Such materials include drywall also known as sheetrock and durock also known as cement board.
Cement board meanwhile comes in panels that are similar to that of drywall but that is where the similarities will end.
It gets its name from the telltale color of the paper facing on the front and back.
According to material safety data sheets from usg standard drywall weighs approximately 38lb ft 3.
If weight is still a concern consider ultra light half inch drywall.
Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water.
Veneer stone cannot be applied directly to drywall or other materials that will draw in moisture from the mortar.
Cement boards are made up of cement and glass fibers.
It is 13 pounds lighter than other varieties for the same size and thickness.
Green board drywall is water resistant not waterproof.
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.
Thick 3 x 5 ft.
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.
Cement based backer boards durock wonderboard and hardibacker are all mineral based or cementitious materials.