Above the plywood floor to allow for the slope fill and two layers of 3 ft.
Shower pan on a wood floor plywood thickness two layers.
My question is rather than the traditional method of sandwiching a membrane between two layers of sloped concrete does the pre sloped plywood allow me to skip installing that first sloped layer of concrete and just do the second layer on top of a.
The second layer is poured placed on top of the installed shower liner.
The plywood must be exterior grade for all wet areas and it has to be installed in such a way that the joints between each layer do not line up using what is known as a stagger pattern to keep the pieces from ever lining up.
The minimum thickness allowed for ceramic tile installations is two sheets of 5 8 inch thick plywood.
Cdx plywood is traditional wood plywood made from thin layers of lumber known as veneers.
Most make this layer at least 1 thick at the drain and again slight slope so the layer is thicker at the walls.
Cdx plywood should be a minimum of 7 16.
There s a sloped plywood shower pan that already exists photos attached.
After you have put down a double layer of plywood to provide the base for a custom walk in shower pan you need to cover the subfloor with a layer of tar paper in this case referred to as a vapor.
Cut the top of the drywall at 6 ft.