Floors, ceilings and roof insulation - The Hempcrete Topic: Designing and Building with Hemp-lime - page 378

A freshly cast hempcrete floor.
Underfloor heating can be included above the hempcrete slab, in the screed or mortar, de-
pending on the desired floor finish. Again, all finishes for a hempcrete floor must be, and
must remain , breathable (see next chapter).
Method
The basic steps for creating a breathable hempcrete floor are as follows:
Excavate the floor area to the necessary depth, add hard core and level this out.