The Legalett Air-Heated Radiant GEO-Slab (Structural Slab-on-Grade) or Buried Foundation employs standard building components such as furnaces, piping, Insulation, concrete, and is usually assembled by construction professionals, but self-build ICF Floors for homes can also be built by competent Do-It-Yourself individuals with minimal supervision.
Installation Pictorial for Legalett’s Frost Protected Shallow Foundations and Air-Heated Radiant Floors – Work in Progress
The following photographs provide a pictorial description of the installation of a typical Legalett Structural Slab-on-Grade and Foundation Radiant Floor Heating project.
Strip topsoil and place 3/4″ clear stone.Compact, smooth and level.
Locate and place plumbing risers and all other under slab services.
Lay out edge elements
Install second layer of polystyrene insulation board, offsetting the joints
Install the bottom layers of wire mesh on chairs as per drawings (perimeter or bearing walls only)
Install furnace boxes as per drawings and Product Data Sheets.
Install the bottom layers of wire mesh on chairs as per drawings (perimeter or bearing walls only)
Insulate ductwork as per drawings
Complete installation of piping
Complete installation of piping
Complete installation of piping
Steel trowel surface using power trowels.Hand trowel around furnace boxes.
Keep top of slab moist for 3 days to minimize shrinkage cracking