Install Instructions
IM-PR 566442 1114 (Design Manual)
74
Figure 3-2a Section through concrete on suspended slab
Figure 3-2b Section through concrete on existing concrete
4" Concrete Slab: Minimum
¾" height of concrete over
ViegaPEX Tubing
Plastic Zip Tie:
Fasten tubing every 2 feet
and 3 times at each U-turn to
hold down any return bends or
other shapes created.
Tubing Spacing (per design)
ViegaPEX Tubing:
Keep 4" from wall.
R-5 Edge Insulation: Refer
to local code for insulation
requirements.
R-5 Insulation:
Refer to local code for insulation requirements.
(Ensure compression rating is suitable for
application.)
Suspended Slab
(e.g., between oors)
Wire Mesh
4" Concrete Slab: Minimum
¾" height of concrete over
ViegaPEX Tubing
Plastic Zip Tie:
Fasten tubing every 2 feet
and 3 times at each U-turn to
hold down any return bends or
other shapes created.
Tubing Spacing (per design)
ViegaPEX Tubing:
Keep 4" from wall.
R-5 Edge Insulation: Refer
to local code for insulation
requirements.
R-5 Insulation:
Refer to local code for insulation requirements.
(Ensure compression rating is suitable for
application.)
Existing Concrete
(on or below grade)
Wire Mesh
Polyethylene Film:
6 mil (min.)