Install Instructions

159
IM-PR 566442 1114 (Design Manual)
Figure B-1d
Section through slab on or below grade installation using foam board clips
Plastic Clip for
Foam Board:
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.)
Figure B-1e
Section through slab on or below grade installation using wire mesh clips
Wire Mesh Clip:
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