Hi Mozart,

Great to read you again.

>The hollow tiles made it hard for chemicals from
>the older wall to wick into the new fresco. We
>also included in this new foundation chunks of
>charred oak. The oak helped absorb any possible
>moisture and damaging chemicals wishing to push
>through to the surface of a mural.

Why make it harder when it is easier to make it completely impossible by building an offset (1-2 inch away) wall/panel infront?

Just like Rivera did or i do for that matter?