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Air Heated Floor Installation

The LEGALETT Air-Heated Structural Slab-on-Grade or Buried Foundation Employs Standard Building Components such as Furnaces, Piping, Insulation, Concrete, and Can Be Built By Do-It-Yourself Individuals with Minimal Supervision.

The following photographs provide a pictorial description of the installation of a typical LEGALETT Foundation Radiant Floor Heating System.

STRIP TOPSOIL

1. Strip topsoil and place 3/4" clear stone. 
Compact, smooth and level.

UNDER SLAB SERVICES

2. Locate and place plumbing risers and all other under slab services.

LAYOUT EDGE ELEMENT

3. Lay out edge elements

INSTALL 1ST LAYER EPS

4. Install first layer of polystyrene insulation  board.

INSTALL 2ND LAYER EPS

5. Install second layer of polystyrene insulation board, offsetting the joints

INSTALL 1ST LAYER MESH

6. Install the bottom layers of wire mesh on 
chairs as per drawings

(perimeter or bearing walls only)

INSTALL FURNACE BOX

7. Install furnace boxes as per drawings and Product Data Sheets.

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8. Cut and install piping

INSULATE PIPEWORK

9.Insulate ductwork as per drawings

COMPLETE PIE INSULATION

10. Complete installation of piping

INSTALL TOP LAYER MESH

11.Install the top layer of wire mesh, and other rebar as per drawings

CONCRETE POUR

12. After inspection by LEGALETT installer, place concrete using vibrator.

POWER TROWEL SURFACE

13. Steel trowel surface using power trowels. 
Hand trowel around furnace boxes.

SLAB MOIST 3 DAYS

14. Keep top of slab moist for 3 days to minimize shrinkage cracking

CONSTRUCTION HEATER

15. A LEGALETT construction heater can be used during and after placing the concrete and needs to be run for 2 weeks before flooring material installation or permanent insert installation

 

 
 

 

 

       
 
 
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