I'm about to refit my shower tray due to movement and leaks.
I have a new marine ply base with cement (wedi) board on top. I intend to use rapid set flexi tile adhesive to sit the shower tray on.
My question is; should I seal the cement board with an SBR primer or is that step not necessary?
I have a new marine ply base with cement (wedi) board on top. I intend to use rapid set flexi tile adhesive to sit the shower tray on.
My question is; should I seal the cement board with an SBR primer or is that step not necessary?