Install Instructions

IM-PR 566442 1114 (Design Manual)
90
Figure 4-4a Section through fibrous expansion joint
Figure 4-4b Section through metal expansion joint
Concrete Slab
Gravel
Fibrous Expansion Joint:
Coordinate with architectural drawings
for expansion joint locations.
Sleeving: Polyethylene
or PVC pipe
ViegaPEX Tubing:
Minimum ¾" height of thin-slab
over PEX tubing
Compact Subgrade
Polyethylene Film:
6 mil. (min.)
R-5 Insulation:
Refer to local code for insulation
requirements. (Ensure compression rating
is suitable for application.)
Manufacturers recommendation 6" to 8"
typically; 12" per CSA B214, section 14.4.3
Concrete Slab
Polyethylene Film:
6 mil. (min.)
Gravel
Fibrous Expansion Joint:
Coordinate with architectural drawings
for expansion joint locations.
Sleeving: Polyethylene or PVC pipe
ViegaPEX Tubing:
Minimum ¾" height of thin-slab
over PEX tubing
Compact Subgrade
R-5 Insulation:
Refer to local code for insulation requirements.
(Ensure compression rating is suitable for application.)
Manufacturers recommendation
6"-8" typically; 12" per CSA
B214, section 14.4.3