PEX Installation Manual

IM-PF 724596 0416
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16 Fastening the Viega PEX System
Nailing plates protect tubing passing
through studs and joists from nails.
Suspension clip fasteners used to protect tubing from
abrasion when passing through steel studs
16.1 Wood frame construction
ViegaPEX Ultra and FostaPEX tubing are ideal for use
in wood frame construction. The ability to bend the
tubing around corners and obstacles greatly simplies
installation. This system eliminates the expensive and
time-consuming use of ttings where tubing turns
within a wall, and eliminates the potential re hazard of
soldering close to exposed framing members.
A few rules should be followed when running
ViegaPEX Ultra tubing in wood frame construction:
• Use nailing plates to protect the tubing from nails and
screws where it passes through studs
• Suspension clips are required for metal studs and
optional for wooden studs
• When turning tubing sharply to exit from a wall, a
bend support must be provided. Either use a drop-
ear bend support, drop-ear elbow or a stub out.
Neglecting to use a support will place excessive
stress on the tting, and the tubing will not exit
perpendicular to the wall (except FostaPEX).
16.2 Steel construction
The Viega PEX system works as well in steel frame
construction as it does in wood. Where tubing runs
through metal studs, suspension clip fasteners must
be used to protect tubing from sharp stud edges.
(Seeillustration below.) Follow the same guidelines for
fastening and supporting the tubing as for wood frame
construction.