Install Instructions

IM-PR 566442 1114 (Design Manual)
8
Figure 1-5
Section through slab on or below grade installation using plastic zip ties
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)
R-5 Edge Insulation:
Refer to local code for
insulation requirements.
Compact Subgrade
Gravel
ViegaPEX Tubing:
Keep 4" from wall.
4" Concrete Slab: Minimum ¾" height
of concrete over ViegaPEX Tubing
Polyethylene Film: 6 mil (min.)
R-5 Insulation:
Refer to local code for insulation requirements. (Ensure
compression rating is suitable for application.)
Wire Mesh
Figure 1-6
Section through thin-slab installation with tiles
R-19 Insulation:
Refer to local code for insulation
requirements.
1½" Concrete Slab:
Minimum ¾" height of thin-slab over
ViegaPEX Tubing
Tubing Spacing
(per design)
Tiles
ViegaPEX Tubing:
Keep 4" from wall.
Fasten tubing every 2 feet and
3 times at each U-turn to hold
down any return bends or other
shapes created.
Crack Isolation
Membrane (optional)
Floor Joist
¾" Plywood Subfloor:
The thickness of the plywood subfloor should always
be installed in accordance with the local building code.
Sealant for Gypsum or
Polyethylene Film: 6
mil (min.) for concrete