Install Instructions
75
IM-PR 566442 1114 (Design Manual)
Figure 3-2c Section through concrete on concrete subgrade
Figure 3-2d Section through concrete on compact subgrade
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.
Compact Subgrade
Wire Mesh
Polyethylene Film:
6 mil (min.)
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.
Compact Subgrade
Wire Mesh
Polyethylene Film:
6 mil (min.)
R-5 Insulation:
Refer to local code for insulation requirements.
(Ensure compression rating is suitable for
application.)