Installation Instructions

CSST
THROUGH MET
AL
FRAMING:
When using Pro-Flex
®
Flexible Gas Piping (CSST)
thru metal Enclosures the CSST
tubing must be
protected by grommets, bushing or armor (Floppy-
Flex
™
), PVC tape, tube shrink sleeve material or a
Minimum of four (4) wraps Of #10 Mil Duct-T
ape.
This is to ensure that no physical contact will be
made between the metal and the CSST tubing that
would cause mechanical wear.
23
Figure 4-18
CSST Tubing Going Thru Joists Within 3" of Potential Nailing Surface.
Figure 4-19
CSST Tubing Going Thru Joists With More than 3" of Clearance from Potential
Nailing Surface.
F
loor
Pro-Flex CSST
T
ubing
3" or less
S
triker Plates
S
upport
F
loor Joists
Floor
Floor Joists
S
upports
3" or greater
cleara
nce
clearance 3"
or more
Pro-Flex
Tubing
Shielding Required at Support Area when Point of Penetration are between
1-1/2 to 2-1/2 in. from any Edge of a Stud, Joist, Plate, etc.
Figure 4-16
Figure 4-15
S
hort Unsupported Tubing Run (under 3 ft.) from a Termination Outlet within a
W
all Partition. Shielding Required at Support Area (studs) when Point of
Penetration are Less than 2 in. from any Outside Surface.