It is generically called cement board or backer board or it can also be referred to by one of the common brand names such as densshield hardiebacker and wonderboard.
Best subfloor for granite tile.
This article discusses floor framing and subfloor recommendations for use under ceramic tile stone granite marble and similar floors.
In a multi story apartment where overall dead weight of d building is critical because of loose soil conditions with soil can load of only 70 kgs sq mtr which is a better option.
For a ceramic tile floor do you recommend a second layer of plywood over the 23 32 plywood subfloor.
Cement based backer board.
Your drawing suggests that it should be two separate layers.
Vetrified tile flooring or granite flooring in.
Now largely regarded as the very best underlayment for ceramic tile in any application floors walls and countertops cement based backer board goes by many names.
Marble can be softer when compared to granite or porcelain tile but all the same it s fairly durable.
It also one of the preferred methods recommended by the tile council of america as shown in the illustration below.
This guide will show you how to prepare your subfloor for a tile installation project to ensure that it s fit to support ceramic or porcelain tile.
Some marbles are as hard as granite so look for those if you want the most durable flooring.