The layers for the full installation are as follows:
- bottom layer is 8-10" of compressed crushed rock aggregate (may already exist)
- second is a 4-12” layer of sand; (may already exist)
- next, a layer of 2" polystyrene insulation
- then add a 2-3” layer of concrete
- then add the rebar and/or reinforcing mesh and attach the cable or mat
- finally, pour a 2-3" layer of concrete as the final flooring surface
Call tech support at (800) 875-5285 to customize this to your unique application.